+ All Categories
Home > Documents > Thompson Lake Watershed Survey, Otisfieldthompsonlake.org/Final Thompson Lake WS Report.pdfThe...

Thompson Lake Watershed Survey, Otisfieldthompsonlake.org/Final Thompson Lake WS Report.pdfThe...

Date post: 26-Mar-2020
Category:
Upload: others
View: 7 times
Download: 0 times
Share this document with a friend
44
Thompson Lake Watershed Survey, Otisfield Thompson Lake Environmental Association Fiddlehead Environmental Consulting Maine Department of Environmental Protection October 2008
Transcript

Thompson Lake

Watershed Survey, Otisfield

Thompson Lake Environmental Association

Fiddlehead Environmental Consulting Maine Department of Environmental Protection

October 2008

Acknowledgements The following people were instrumental in the Thompson Lake Watershed Survey – Otisfield and deserve special recognition for their efforts.

Watershed Survey Volunteers Peter Arntsen Jean Hankins Laurie Riihimaki Sarah Burnham Sue Marr John Schrader Madelyn Caggiano Ed Phillips Stan Tetenman Kathy Cain Chris Pottle Bob Tracy Marian Carlyle Marcia Pottle Bill Troy Justin Cincotti Mike Quinn Ethel Turner Sherri Dunton Tom Ray

Technical Staff Mary Ellen Dennis, Maine Department of Environmental Protection Wendy Garland, Maine Department of Environmental Protection Phoebe Hardesty Ann Speers, AmeriCorps/ Maine Conservation Corps Jeff Stern, Fiddlehead Environmental Consulting Megan Wooster, Androscoggin Valley Soil & Water Conservation District Report written by Jeff Stern and Jean Hankins. Maps and graphic design by Ann Speers. This project was funded completely by the Thompson Lake Environmental Association. Founded in 1971, TLEA is a non-profit organization with 400 members that works to protect Thompson Lake. Programs include water quality testing, milfoil eradication, erosion control and public education.

Cover photo of Thompson Lake from corner of Cobb Hill and Ivory Hill Roads by Jeff Stern

Printed on recycled paper

Table of Contents

Introduction 1

What is being done to protect Thompson Lake? 3

Purpose 4

Survey Methods 4

Results 5

Site Examples

Town Road 6

Private Road 7

Driveway 8

Residential 9

Important points about survey data 10

The Benefit of Vegetative Buffers 11

Recommendations 12

Appendix

Sector maps with identified sites

Table of all survey data

Permitting ABC’s

Conservation Practices for Homeowners

Additional sources of information

1

INTRODUCTION

Is there a water quality problem in the Thompson Lake Watershed? Thompson Lake sprawls across four towns – Oxford, Poland, Casco and Otisfield – in southwestern Maine. This huge lake has a surface area of 4,225 acres and an even larger watershed that drains into it (see box). Thompson Lake is vital to the economy and quality of life in surrounding towns. Think of all the great opportunities the lake affords us for fishing, boating and sailing, swimming and camping. The lake provides important wildlife habitat. It is the setting for 1,200 seasonal and year-round residences and three summer youth camps.

Thompson Lake Environmental Association (TLEA), with assistance from Colby College and the Maine Volunteer Lakes Monitoring Program, has tested water quality in the lake since 1971. Heavy spring rains in 2005 and 2007 caused severe soil erosion that washed from the land into the lake. This storm water runoff is a type of nonpoint source pollution (see box). Think of rain and snowmelt as a giant broom that sweeps over the watershed, moving debris and soil into the lake from the surrounding land and streams. In an undeveloped, forested watershed, storm water runoff (rain and snowmelt) is slowed and filtered by trees and shrubs. It then filters

through the soil and soaks into the uneven forest floor. In this way, nonpoint source pollution is trapped on land so it doesn’t flow into a lake. But in developed watersheds, the velocity of storm water runoff increases on impervious surfaces like rooftops, compacted and bare soil, gravel roads, and pavement. Therefore, the storm water does not receive the filtering treatment the forest once provided. Soil particles carry phosphorus as a “hitch hiker.” Phosphorus is a plant nutrient. If eroding soil carries too much phosphorus into a lake, algae in the lake gorge on it like junk food. We’re not just talking about the lakeshore. Soil erosion that occurs high in the surrounding hills can flow downhill via streams or surface runoff and enter the lake. Algae growth explodes and the lake is covered with a thick mat of slimy green plant matter. Goodbye swimming, boating, fishing and quality wildlife habitat! Such algae “blooms” have already occurred in central Maine lakes around Lewiston and Augusta. Once algae blooms occur they are enormously expensive to fix. Restoring a lake’s clarity may take decades. That’s why minimizing soil erosion is so important: we want to keep Thompson Lake clear and blue for the continued enjoyment of all. But in order to fix erosion problems you first need to find out where they are. That’s where the watershed survey comes in.

(Continued on page 3)

WATERSHED All the land that surrounds a lake which drains or sheds its water into the lake through tributaries, ditches, directly over the land or by ground water. The Thompson Lake Watershed is 22,400 acres.

NONPOINT SOURCE POLLUTION Also called NPS and polluted runoff, this is pollution that can NOT be traced back to a discharge from a particular direct source (e.g., an industrial outfall pipe).

2

3

INTRODUCTION (continued from page 1) This report provides the results of an April 2008 survey TLEA conducted in Otisfield on the west side of Thompson Lake. This survey covers that portion of the watershed that lies between Otisfield Cove and the Casco town line. It was prompted by the need to update information obtained in similar watershed surveys in 1994 and 1999. Much has changed in the watershed since then, including increased year-round use, expanded development of larger homes, and road construction.

What is being done to protect the Thompson Lake Watershed? TLEA works with the Maine Volunteer Lake Monitoring Program to test water quality in Thompson Lake. Water quality data are shared with the Maine Department of Environmental Protection. Four hundred members strong, TLEA’s environmental programs include weekend inspections for invasive plant fragments (milfoil) on boats and boat trailers entering and leaving the lake. Most recently, divers and a specially-equipped pontoon boat removed 22 tons of milfoil from the lake in 2008. Additionally, TLEA educates the public, makes cooperative efforts with municipalities to control erosion, and runs the Thompson Lake Youth Conservation Corps, which has completed nearly 200 erosion control projects in seven years. Volunteer watershed surveys are one of the most effective ways to protect lake water quality because they get citizens involved in identifying existing and potential sources of polluted runoff. This watershed survey is the first phase of three new surveys which, when completed by 2010, will give TLEA an up-to-date picture of erosion problems throughout the entire Thompson Lake Watershed. Phase two will cover Casco and Poland; phase three will cover Oxford and the remainder of Otisfield.

4

Purpose of the Survey The purposes of the survey were to

• raise public awareness about the significant impact of polluted runoff, and the connection between land use and water quality;

• encourage people to become responsible and active stewards of the watershed and the lake;

• identify existing soil erosion sites in the watershed as part of a long-range strategy to protect the lake;

• use this survey information to make recommendations to the town and with private land owners on solving private and public erosion problems.

Survey Method The survey was conducted by teams of volunteers and technical staff. Volunteers were trained on survey techniques and erosion identification during a two-hour classroom workshop on April 26, 2008. For the remainder of the day, survey teams documented erosion on roads, the shoreline,

residential properties, construction sites, and foot trails in their assigned sector using cameras, global positioning (GPS) units, and standardized forms. Watershed property owners were informed of the survey prior to April 26th. Those who wished their property not be surveyed contacted TLEA, and survey teams honored these requests. The survey teams worked together throughout the next month to complete their sectors. Volunteers ranked sites based on their impact to the lake and their estimated cost of repair. To verify data accuracy and to calculate soil loss estimates, trained technical staff revisited sites in the summer and fall of 2008. The data were summarized in a spreadsheet and plotted on maps using geographic information systems (GIS) software. These maps and spreadsheet are included in the appendix.

5

Town Road32%

Residential22%

Driveway21%

Private Road18%

Trail/Path3%

Construction Site2%

Beach Access1%

Boat Access1%

WATERSHED SURVEY RESULTS

Survey teams identified 96 sites in Otisfield that are currently contributing or may contribute polluted runoff to Thompson Lake. The following pages summarize the problems documented and compare their relative impacts to the lake. Please refer to the appendix for detailed information about each site, including location.

SITES IDENTIFIED IN THE WATERSHED SURVEY, BY LAND USE

__________________________________________________________________________________________

POLLUTED RUNOFF SITES BY THEIR IMPACT TO THOMPSON LAKE Site Land Use High Medium Low Total Town Road 6 9 16 31 Residential 4 5 12 21

Private Road 4 11 2 17 Driveway 4 6 10 20

Trail/ Path - - 3 3 Construction Site 1 1 - 2

Beach Access - 1 - 1 Boat Access 1 - - 1

Total 20 33 43 96

POLLUTED RUNOFF SITES BY SECTOR

Sector # of Sites 1 18 2 23 3 15 4 22 5 13 6 5

Total 96

6

Town Roads

Of the 31 sites associated with town roads, 16 were low, 9 were medium and 6 were high impact.

Common problems identified: • Slight to moderate shoulder erosion • Severe ditch erosion • Sediment flowing directly to stream or ditch • Unstable culvert inlet and/or outlet • Winter sand build up

Recommended solutions: • Clean, reshape, and armor ditches with

stone underlain with geotextile fabric, or plant grass

• Armor culvert inlets and outlets • Install plunge pools below culverts to hold

runoff and catch sediment before it enters streams

Below is an actual example of town road polluted runoff identified on Thompson Lake in this survey.

Problems:

• Winter sand runoff • Bare soil along ditches • Road shoulder erosion • Evidence of soil and sediment flowing

into brook, which empties to Thompson Lake

Solutions:

• Remove winter sand • Armor ditch with vegetation or rip rap

(large rocks) • Plant grass strip on road shoulders, or

armor with crushed stone or hard packing gravel

• Install plunge pool at end of ditch to catch soil and sediment before they enter the brook

Work with the town of Otisfield to fix and maintain town road sites and improve water quality by keeping eroded soil and sediment out of Thompson Lake.

7

Private Roads

Of the 17 sites associated with private roads, 2 were low, 11 were medium and 4 were high impact.

Recommended solutions: • Reshape road (crown or monoslope),

allowing it to shed water • Install water bars, open-top culverts or

rubber razors to divert flow off road • Clean, reshape and armor ditches with

stone rip rap, or plant grass

Common problems identified: • Poor shaping • Slight to moderate surface erosion • Sediment flowing directly to stream or ditch • Severe ditch erosion • Grader berms trapping flow on road

Below is an actual example of private road polluted runoff identified on Thompson Lake in this survey.

Problems: • Grader berm traps flow on road,

causing greater erosion • Poor shaping (rut forming in middle of

road) Solutions:

• Remove grader berm so water can leave road surface

• Properly crown road so it sheds water off to sides

Problems: • Poorly shaped ditch does not protect

road banks from washing out • Road surface material too sandy

Solutions:

• Reshape ditch and armor with stone • Add less erosive surface material to

road

8

Driveways

Of the 20 sites associated with driveways, 10 were low, 6 were medium and 4 were high impact.

Common problems identified: • Moderate to severe surface erosion • Poor shaping • Sediment flowing directly to stream or ditch • Poor surface material (too sandy)

Recommended solutions: • Crown driveway so that water flows to

either side • Build up with hard packing gravel or

reclaimed asphalt • Install water bars, open-top culverts or

rubber razors to divert flow off driveway

Below is an actual example of driveway polluted runoff identified on Thompson Lake in this survey.

Problems:

• Severe erosion going directly into lake

• Inappropriate surface material for driveway’s steepness

• Poor shaping • Water runoff exceeds capacity of

existing erosion control measures Solutions:

• Properly crown and shape driveway • Add surface material appropriate for

steepness of driveway, such as reclaimed asphalt

• Re-install water bars and rubber razors to divert flow into forested buffer so soil and sediment do not enter lake

To preserve water quality and save wear and tear on your vehicle, crown the driveway, use adequate surface material and add diversions to direct runoff into buffers.

It’s great for watershed residents AND it’s great for Thompson Lake!

9

Residential Of the 21 sites associated with residential property, 12 were low, 5 were medium and 4 were high impact.

Common problems identified: • Slight or moderate surface erosion • Bare or sparsely vegetated soil • Inadequate vegetation along shoreline • Roof runoff causing erosion • Runoff flowing directly to lake • No erosion control at construction sites

Recommended solutions: • Seed and mulch bare soil • Establish or enhance vegetative buffer • Limit foot traffic in eroding areas, place

mulch or stone in heavily used paths • Use dripline trench to catch roof runoff • Install water bar, open-top culvert, rubber

razor or other runoff diverters

Below is an actual example of residential polluted runoff identified on Thompson Lake in this survey.

Problems: • Bare soil down to lake

shore • Roof runoff hits bare soil

and carries it to lake • Inadequate vegetation

along shoreline

Solutions: • Cover bare soil by either

seeding and haying or applying erosion control mulch

• Install infiltration trench to catch roof runoff

• Enhance vegetative buffer along shoreline

Residential areas were associated with 22% of the identified sources of polluted runoff to Thompson Lake. These problems pose a significant threat to water quality. Fortunately, most can

be corrected easily.

10

Important Points About Survey Data

• A full summary of all erosion sites identified in the survey are contained in a spreadsheet in the appendix. Sites are grouped in order by survey sector. Each listing shows the map site number, the type of problem(s) encountered, location, size or area, and recommended solutions.

• In addition to the surveyed sites, numerous lakeshore properties were observed to have little

or no vegetated buffer at the water’s edge. Since the primary purpose of this survey was to document erosion, not all of these sites were included in the survey results. However, it is important to note buffers of shrubs and trees do a much more effective job than bare ground or grass to keep NPS pollution from entering lakes. See page 11 for more information about buffers.

• During the survey, we found that many landowners in the Thompson Lake watershed have

already taken steps to protect water quality. Surveyors found numerous open top culverts and waterbars across driveways, as well as dripline trenches under roof edges. These simple conservation measures do an effective job of minimizing, and in some cases eliminating, soil erosion. Town residents are beginning to understand the economic importance of the lake and are increasingly supportive of TLEA’s conservation efforts.

Site Rankings

Sites in the spreadsheet were ranked according to these criteria:

• Impact was assigned by considering factors such as the size of disturbed area, slope, soil type, amount of soil that’s eroding, proximity to water, and size of buffer. Low impact eroding sites are those with limited transport off-site with no evidence of rills or gullies (channels cut into the soil). At medium impact sites, sediment is transported off-site, but the erosion does not reach a high magnitude. Large sites where there is significant erosion that washes directly into a stream, lake or ditch, were rated high impact.

• Cost is an important factor in planning for restoration. Low cost sites were estimated to cost

less than $500 to fix. An estimate of $500 to $2,500 was rated medium. If the estimated cost to fix a site exceeded $2,500, a high rating was assigned.

With a few exceptions, virtually all of the sites identified in the survey are significant to one degree or another. The cumulative effect of many “low” and “medium”

impact sites can exceed that of any one “high” impact site. This should be considered when a strategy is developed to address problems in the watershed.

11

The Benefits of Vegetative Buffers A vegetative buffer is an area of trees and shrubs which filters and absorbs runoff, preventing it from flowing directly into a water body. How do vegetative buffers work?

• The tree and shrub canopy intercepts raindrops and reduces their impact on the soil. • Leaf surfaces collect rain and allow for evaporation. • Ground cover, the duff layer, and shorter plants filter sediment and pollutants from runoff. • Root systems hold soil in place and absorb water and nutrients. • An uneven ground surface allows rain and snowmelt to puddle and infiltrate.

Surveyors observed that many lakeside residents had carefully retained the natural vegetation growing near the water. Where the natural vegetation had been removed, some landowners had established effective buffers by planting shrubs, trees, ground cover and other hardy plants between buildings and heavy traffic areas and the lake. Unfortunately, surveyors also found 24 sites which they felt did not have adequate vegetative buffers. These areas would benefit from re-vegetation by planting buffer strips. Current shoreland zoning rules require a buffer strip to be maintained 100 feet from water bodies like Thompson Lake. In cases of “grandfathered” structures built prior to the law, homeowners should restore as much vegetation as possible. While grass may seem a solution, the type found in most lawns is shallow-rooted and provides only minimal protection against surface erosion. With good planning, vegetative buffers can promote privacy and reduce noise, retain views of the lake and, at the same time, protect the lake from polluted runoff. When re-creating a buffer, native plants like those shown below are strongly recommended. Buffers also can be inexpensively “installed” by not mowing, not raking, and allowing plants to grow up naturally.

Native Plant Options From left to right: bearberry; sweet fern; high bush blueberry; dwarf bush honeysuckle.

12

Recommendations

Fixing the erosion sites identified in this survey will require efforts by the entire community. Below are some suggestions for individuals and groups. Individual Citizens

• Prevent runoff from washing sediment into the lakes. Detain runoff in depressions or divert flow to vegetated areas. Call TLEA or MDEP for free technical assistance.

• Minimize the amount of cleared land and road surfaces on your property. • Stop mowing and raking, and let lawn and raked areas revert back to natural plants. Deep

shrub and tree roots help hold the shoreline. • Avoid exposing bare soil. Seed and mulch bare areas. Use erosion control around

construction projects which involve excavation. • Don’t bring in sand or rebuild beaches. Call TLEA, Fiddlehead Environmental Consulting

or MDEP for technical assistance with beach or shoreline erosion. • Call the town code enforcement officer before cutting trees or shrubs within 250 feet of the

shoreline. • Join TLEA. TLEA’s purpose is to protect the lake. TLEA conducts water testing, erosion

control, and milfoil eradication. Thompson Lake Environmental Association

• Provide educational materials and guidance to members of the Thompson Lake watershed community and to town officials.

• Organize workshops and volunteer “work parties” to start fixing identified erosion problems and teach citizens how to fix similar problems on their own properties.

• Educate municipal officials about lake issues and work cooperatively to find solutions. Road Associations and Private Roads without associations

• Form a road association if one does not already exist to properly maintain your road and reduce erosion.

• Minimize road runoff by doing regular, comprehensive maintenance. • Decrease water velocity in steep ditches by installing check dams. • Get a copy of “Camp Road Maintenance Manual – A Guide for Landowners.” This reference is a

must for anyone managing a gravel road. (Call MDEP at 207-822-6300 for a free copy.) • For more extensive problems, seek technical help. Contact TLEA, Fiddlehead

Environmental Consulting, or MDEP to request technical assistance. Contact information is on the last page of this report.

Municipal Officials

• Enforce shoreland zoning standards to assure full protection of Thompson Lake. • Conduct regular maintenance on town roads in the watershed, and fix town road problems

identified in this survey. • Participate in and support long term watershed management projects. • Promote training for road crews, planning boards, and conservation commissions. • Decrease water velocity in steep road ditches by installing check dams.

Appendix

1. Survey sector maps, with nonpoint source pollution sites

2. Spreadsheet

3. Permitting ABCs

4. Conservation Practices for Homeowners

5. Where to go for more information

Thompson Lake Watershed Survey - Otisfield Spreadsheet

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

1TR 1 Town Road

Unstable culvert inlet/outlet, slight ditch erosion, bank erosion, delta in stream/lake, winter sand, direct flow to lake

Cobb Hill Road south of intersection with Martin’s Way 0378187 4882764

12 ft. x 200 ft.

Armor culvert inlet/outlet, armor ditch with stone, install sediment pools, vegetate bank, clean up winter sand

High High

1PR 1 Private Road Unstable culvert inlet/outlet, slight shoulder erosion, slight surface erosion, bare soil, direct flow to lake

South end of Martins Way 0378554 4882565

5 ft. x 20 ft. Armor culvert outlet, vegetate shoulder Medium Low

2TR 1 Town Road

Unstable culvert inlet/outlet, severe ditch erosion, moderate road shoulder erosion, winter sand, direct flow to lake

Culvert adjacent to log landing Martins Way 0378468 4582219

6 ft. x 250 ft.

Armor culvert inlet/outlet, armor ditch with stone, install sediment pools, vegetate shoulder

High High

3TR 1 Town Road Unstable culvert inlet/outlet, moderate ditch erosion, winter sand, direct flow to lake

By utility pole 360 on Cobb Hill Road 0378769 4881794

6 ft. x 400 ft.

Armor culvert inlet/outlet, armor ditch with stone, install sediment pools, vegetate shoulder

Medium Medium

2PR 1 Private Road

Unstable culvert inlet/outlet, moderate ditch erosion, moderate road shoulder erosion, bare soil, direct flow to lake

Jillson Camp Road, 1st culvert 0378718 4882060

6 ft. x 75 yd.

Vegetate and armor ditch with stone, remove grader/plow berms, reshape (crown) road

Medium Medium

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

3PR 1 Private Road Moderate ditch erosion, moderate road shoulder erosion, bare soil, direct flow to lake

3rd culvert on Jillson Camp Road 0378856 4882031

6 ft. x 375 ft.

Vegetate and armor ditch with stone, stabilize turnouts, build up roads, add gravel and reshape (crown) road

Medium Medium

4PR 1 Private Road Moderate ditch erosion, slight shoulder erosion, slight surface erosion, direct flow to lake

Intersection of Jillson Camp Road & Panacea 0379019 4882054

6 ft. x 450 ft.

Vegetate and armor ditch with stone, build up road, add gravel, reshape (crown) and vegetate road shoulder

Medium Medium

4TR 1 Town Road

Unstable culvert inlet/outlet, moderate ditch erosion, slight shoulder erosion, roadside plow/grader berm, severe surface erosion, winter sand, horse trail is eroded into ditch & culvert

Cobb Hill Road rocky trail 0378208 4882649

6 ft. x 150 ft.

Armor culvert inlet/outlet, armor ditch with stone, reshape ditch, clean out ditch, reshape (crown) horse path

High High

5TR 1 Town Road

Unstable culvert inlet/outlet, clogged, moderate ditch erosion, severe road shoulder erosion, road slumping into stream, slight surface erosion, winter sand, direct flow to stream

Cobb Hill Road just south of site 4 TR 0378230 4882630

30 ft. x 3 ft.

Armor culvert inlet/outlet, remove clog, armor ditch with stone, deepen existing turnout above culvert

High High

6TR 1 Town Road

Unstable culvert inlet/outlet, moderate ditch erosion, moderate road shoulder erosion, roadside plow/grader berm, slight surface erosion, winter sand, direct flow to stream

Cobb Hill Road north of Haskins-Gagnon boundary 0378262 4882558

3 ft. x 30 ft.

Armor culvert inlet/outlet, remove clog, clean out ditch, armor ditch with stone, remove grader/plow berm, install catch basin at outlet

Medium Medium

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

7TR 1 Town Road Unstable culvert inlet/outlet , direct flow to stream

Cobb Hill Road 0378286 4882540

3 ft. x 30 ft.

Armor culvert inlet/outlet, remove clog, clean out ditch, armor ditch with stone, remove grader/plow berm, install catch basin at outlet

Medium Medium

8TR 1 Town Road

Unstable culvert inlet/outlet, severe ditch erosion, bank failure, lots of round rocks in ditches (inadequate), winter sand, direct flow to stream

Cobb Hill Road uphill from site 7 TR 0378322 4882465

300 ft. x 5 ft.

Armor culvert inlet/outlet with rip-rap (not round rocks), install plunge pool or catch basin, armor ditch with stone, reshape ditch, cover exposed banks

High High

1R 1 Residential

Shore forms point, wind and waves erode bank, undercut shoreline, severe ongoing bank erosion, direct flow to lake

Jillson Camp Road, 1st house on left at bottom 0379046 4882226

25 ft. x 3 ft. high

Cut back bank, armor with large stones, some trees on edge will have to be cut, After bank cuts and rocks in, enhance w/blueberries

High Medium

1CS 1 Construction site

Moderate surface erosion on driveway, bare soil, uncovered pile, inadequate shoreline vegetation, no erosion control. Linked to 1R, direct flow to lake

Jillson Camp Road, 1st house on left at bottom – new garage 0379046 4882226

75 ft. x 50 ft.

Reshape (crown) driveway, install waterbar, enhance w/blueberries, silt fence/EC berms, seed/hay

Medium Medium

2R 1 Residential Bare soil, undercut shoreline, inadequate shoreline vegetation, erosion, direct flow to lake

End of Panacea Road 0378844 4882276

25 ft. x 3 ft.

Define foot path, infiltration steps – add gravel, extend border, mulch/erosion control mix to bare areas, extend buffer, put hand rail on steps above camp

Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

5PR 1 Private Road

Natural channel – intermittent, moderate erosion, slight surface erosion, largely due to Cobb Hill runoff, direct flow to stream

Panacea Road 0378944 4882187

35 ft. x 14 ft. Install check dam, pave and grade driveway, mulch/erosion control mix

Medium Low

1D 1 Driveway

End of rip-rap sends water across hillside to lake (has good vegetation but still eroding), severe surface erosion, bare soil, uncovered pile, winter sand, rip rap installed in ditch forcing water onto driveway eroding rocks and soil, direct flow to lake

Jillson Camp Road 0379227 4883004

25 ft. to water

Reshape ditch, below culvert outlet, place log horizontally to slow and direct flow, keep rip rap ditch cleaned out

High High

9TR 2 Town Road

Clogged culvert, moderate ditch erosion, slight road shoulder erosion, winter sand, direct flow to vegetation - forested beyond side of road

Ivory Hill Road 0378579 4880723

3 ft. x 100 ft. Vegetate ditch, reshape ditch, install turnouts, clean out winter sand

Low Medium

10TR 2 Town Road Unstable culvert inlet/outlet, clogged culvert, moderate road shoulder erosion, slight surface erosion, winter sand

Ivory Hill Road north side from junction with Scribner Hill Road 0378576 4880725

½ mile long

Armor culvert inlet/outlet, remove clog, replace with larger culvert, reshape ditch, redirect flow, vegetate shoulder

Low Low

2D 2 Driveway Slight surface erosion, bare soil

88 Ivory Hill Road 0378648 4880790

100 ft. x 4 ft. Repair snowplow damage on outside of drive Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

11TR 2 Town Road Unstable culvert inlet/outlet, clogged culvert, winter sand, linked to site 10 TR

Ivory Hill Road across from pole #44 0378682 4880845

4 ft. x 15 ft. Remove clog from culvert, enlarge culvert, remove winter sand

Low Low

3D 2 Driveway Severe road shoulder erosion, severe surface erosion

387 Cobb Hill Road 0379310 4880962

50 ft. x 10 ft. Realign culvert with ditch, add new surface material to driveway, reshape (crown)

High High

3R 2 Residential Severe surface erosion, bare soil, direct flow to stream

Field below house 387 Cobb Hill Road 0379365 4880985

200 ft. x 200 ft.

Establish buffer/vegetation (needs alot!), enhance with blueberry bushes, apply more seed/hay to construction site

High High

4D 2 Driveway Severe surface erosion, bare soil, delta in stream/lake, drive crosses bog and wet area, direct flow to lake

End of Beehive Lane 0379686 4880960

150 ft. x 35 ft.

Install culvert under driveway, install plunge pool, install catch basin, put in open top culvert

High Medium

5D 2 Driveway Severe surface erosion 38 Beehive Lane 0379669 4881037

100 ft. x 8 ft. Reshape (crown) driveway, grade, install waterbar Low Low

4R 2 Residential Undercut shoreline, direct flow to lake

0379723 4881109 Put rocks against banks, no

raking Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

6D 2 Driveway Slight surface erosion. 0379595 4881396

Reshape (crown), install runoff diverter (rubber razor).

Low Medium

5R 2 Residential

Severe erosion of ditch/stream, bank failure, slight surface erosion, direct flow to lake, site is linked to 5 R

Ohuivo Camp Road 0379593 4881424

5 ft. x 200 ft. Armor culvert inlet/outlet, install plunge pool, needs infiltration trench

High Medium

7D 2 Driveway Moderate to severe surface erosion, bare soil

Ohuivo Camp Road 0379536 4881510

200 ft. x 30 ft. Irregularly shaped

Install turnouts, install open top culvert, rubber razor, establish buffer, no raking

Medium Medium

6PR 2 Private Road

Severe ditch erosion, bank failure, slight surface erosion, undercut, inadequate shoreline vegetation, direct flow to lake

L. Bradford Blvd. 0379352 4881839

2 ft. x 200 ft.

Armor ditch with stone, reshape ditch, install turnouts, clean out, install 2 rubber razors, establish buffer/vegetation

High Medium

7PR 2 Private Road

Unstable culvert inlet/outlet, moderate road shoulder erosion, roadside plow/grader berm, slight surface erosion, direct flow to stream

Stream crossing on Ohuivo Camp Road 0379560 4881242

10 ft. x 80 ft.

Armor culvert inlet/outlet, install plunge pool at outlet, remove grader/plow berm, reshape (crown), grade, install runoff diverters

High Medium

8PR 2 Private Road Severe ditch erosion, delta in stream, direct flow to stream

Ohuivo Camp Road 0379496 4881370

10 ft. x 150 ft.

Armor culvert inlet/outlet, install plunge pool, reshape ditch, reshape (crown), install runoff diverters

High Medium

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

9PR 2 Private Road Unstable culvert inlet/outlet, moderate surface erosion, delta in stream, direct flow to stream

Ohuivo Camp Road by #74 0379384 4881506

10 ft. x 250 ft.

Armor culvert inlet/outlet, install culvert at upper brook, install plunge pool, reshape (crown), grade, install runoff diverters

Medium Medium

10PR 2 Private Road Severe ditch erosion, direct flow to stream

Off Whittum Lane on Bradford Blvd. 0379364 4881734

250 ft. x 4 ft. Install plunge pool, reshape ditch Medium Medium

6R 2 Residential Delta in lake, severe stream bank erosion, direct flow to lake

68 Ohuivo Camp Road 0379487 4881687

100 ft. x 4 ft. Install plunge pool, establish buffer/vegetation, add more buffer plans/trees

High Medium

8D 2 Driveway Severe ditch erosion, delta in lake, direct flow to lake

88 Ohuivo Camp Road 0379579 4881466

200 ft. x 3 ft.

Armor culvert inlet/outlet, install plunge pool, armor ditch with stone, install turnouts, reshape (crown)

High Medium

1P 2 Trail/Path Moderate surface erosion, inadequate shoreline vegetation, exposed tree roots, direct flow to lake

200 Ohuivo Camp Road 0379776 4880687

50 ft. x 3 ft.

Infiltration steps, mulch/erosion control mix, establish buffer/vegetation, no raking

Low Low

7R 2 Residential

Moderate surface erosion, bare soil, roof runoff erosion, inadequate shoreline vegetation, spot under deck right in water, direct flow to lake

Ohuivo Camp Road 0379712 4880754

5 ft. x 8 ft. Mulch/ erosion control mix, rain barrel Medium Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

11PR 2 Private Road

Unstable culvert inlet/outlet, severe ditch erosion, bank failure, slight road shoulder erosion, moderate surface erosion, delta in ditch, road slumping over culvert, direct flow to stream

Ohuivo Camp Road Tel. Pole #4 0379643 4880868

150 ft. x 20 ft.

Armor culvert inlet/outlet, install plunge pool, armor ditch with stone, remove grader/plow berms, reshape (crown), install rubber razor

High Medium

8R 2 Residential Moderate surface erosion, bare soil – raking, exposed roots, direct flow to lake

Off Ohuivo Camp Road at top of hill where 11 PR starts 0379652 4880906

35 ft. x 75 ft. Define foot path, mulch/erosion control mix, no raking

Low Low

9R 3 Residential Moderate surface erosion, direct flow to lake

323 Shore Road 0380159 4880368

100 sq. ft. Infiltration steps, mulch, establish buffer/vegetation, enhance with low bushes

Medium Medium

10R 3 Residential Moderate surface erosion, undercut shoreline, direct flow to lake

227 Shore Road 0380274 4880117

10 sq. ft. Filter fabric to hold soil then add rocks, rip-wrap w/large rocks

Medium Low

9D 3 Driveway Severe surface erosion 207 Shore Road 0380309 4880008

15’ x 125’

Add new surface material, reshape, grade, install runoff diverter (open top culvert or rubber razor)

Low Medium

10D 3 Driveway

End of culvert on exit side washed out, moderate erosion, direct flow to lake & vegetation, driveway is too high on shoulder where it meets Shore Road

202 Shore Road 0380361 4879955

100 sq. ft. Install plunge pool or 4” rock Medium Medium

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

12TR 3 Town Road Slight surface erosion, direct flow to lake

193 Shore Road 0380395 4879909

10 sq. ft. Put in new culvert, install plunge pool Low Medium

11D 3 Driveway Moderate surface erosion 146 Shore Road 0380434 4879727

12-14 ft. Razor bar, reshape drive, establish buffer/vegetation, could use stone

Low Low

12D 3 Driveway

Severe surface erosion, bare soil, direct flow to lake, driveway filled with deep gullies, washed out rubber razor

Across from 146 Shore Road – pole 17 0380463 4879706

8’ x 200’.

Add new surface material to driveway ( recycled asphalt), reshape (crown), grade, re-establish rubber razor and add additional runoff diverters, re-do waterbar

High High

13TR 3 Town Road

Clogged culvert, unstable inlet and outlet, slight ditch erosion, moderate shoulder erosion, slight surface erosion, winter sand, berm

Shore Road 0380479 4879689

20 sq. ft.

Armor culvert inlet and outlet, remove clog, remove berm, reshape and grade

Low Medium

13D 3 Driveway Moderate surface erosion, rills over road, direct flow to ditch, road washing over

138 Shore Road 0380556 4879529

15 sq. ft. Reshape (crown), install open-top culvert or rubber razor

Low Low

14TR 3 Town Road Roadway very sandy w/ a great deal of runoff, moderate surface erosion, winter sand

To left at chain llink fence prior to pole #7 on Shore Road. Across Shore Road from 146 Shore Road 0380473 4879711

10’ x 40’ Install additional culvert, plunge pool, add new surface material, grade

Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

14D 3 Driveway Slight surface erosion, direct flow to lake

117 Shore Road 0380559 4879498

10’ x 30’ Install runoff diverter (open top culvert or rubber razor), reshape (crown)

Low Low

15D 3 Driveway Slight surface erosion, direct flow to lake, site is linked to 11 R

Off Parkway Road, gray house, steep driveway 0380687 4879555

20’ x 100’

Install runoff diverters (open top culvert or rubber razor), reshape (crown) driveway, install turnout to direct water into flat grassy area about halfway down driveway

Medium Low

11R 3 Residential Bare soil, a gully area back of the house, roof runoff, direct flow to lake, site is linked to 15 D

End of Parkway Road, yellow house and shed 0380674 4876533

20’ x 25’ (lakefront area)

Reshape (crown) driveway, install runoff diverter, waterbar at top of driveway, extend existing diverter just uphill from house, remove concrete steps and install infiltration steps, install rain garden, enhance buffer, install infiltration trench

Medium Medium

12R 3 Residential Moderate surface erosion, bare soil, direct flow to lake

55 Shore Road 0380853 4879256

30’ x 50’

Clean out existing open-top culvert at top of driveway, reshape (crown) driveway, install runoff diverters, define and narrow foot path, apply mulch/erosion control mix, enhance buffer, no raking, mulch sparsely vegetated areas

Medium Medium

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

2P 3 Trail/Path Unstable access to path, direct flow to lake

End of Parkway Road, path to Silvaqua Association Beach 0380646 4879592

3’ x 100’ Install 2 waterbars across path to divert flow into woods Low Low

15TR 4 Town Road Moderate surface erosion, winter sand, ditch build up water flow over Shore Road, direct flow to stream

Silvaqua – Shore Road 0380833 4979196

45 ft. x 400 ft.

Reshape ditch, armor with stone, install turnouts, install sediment ponds, install culvert, remove grader/plow berms, reshape road, install runoff diverters, establish buffer/vegetation

Medium High

16TR 4 Town Road Unstable inlet & outlet of culvert, ditch inadequate size, roadside plow/grader berm, winter sand

Shore Road @ CMP pole #63 0380855 4879110

450 ft x 5 ft.

Armor inlet & outlet of culvert, clean out and vegetate ditch, reshape, install sediment pools at outlet

Low High

13R 4 Residential Shoreline undercut, lack of shoreline vegetation, needs more rip-rap, direct flow to lake

37 Shore Road 0380918 4879046

20 ft. x 2 ft. More rip-rap, establish buffer/vegetation Low Low

14R 4 Residential Bare soil, roof runoff erosion, direct flow to vegetation

32 Shore Road 0390851 4879025

20 ft. x 2 ft. Infiltration trench Low Low

17TR 4 Town Road Unstable culvert inlet/outlet, ditch inadequate size, winter sand, ditch filled up forced water onto road

Shore Road between 33 & 26 0380845 4878986

6 ft. x 120 ft. Armor culvert inlet/outlet, clean and vegetate ditch, reshape ditch

Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

2CS 4 Construction Site Bare soil, lack of shoreline vegetation, inadequate shoreline vegetation, direct flow to lake

27 Shore Road 0380851 4878524

100 ft. x 150 ft.

Infiltration steps, cover bare soil, establish buffer/vegetation, enhance w/buffer planting, mulch, silt fence / EC berms, seed / hay

High High

16D 4 Driveway No culvert, inadequate sized ditch, slight surface erosion, site is linked to 17 TR & 2 CS

26 Shore Road 0380850 4878950

15 ft. x 100 ft.

Vegetate ditch, clean out ditch, install culvert under driveway, remove grader/plow berms, add recycled asphalt, install runoff diverters

Medium High

18TR 4 Town Road Unstable culvert inlet/outlet, ditch slight erosion, roadside plow/grader berm, slight surface erosion, winter sand,

Junction of Shore and Loop Roads 0380837 4878781

4 ft. x 300 ft.

Armor culvert inlet/outlet, armor ditch with stone, reshape ditch, remover grader/plow berms

Low High

15R 4 Residential Almost bare soil, lack of shoreline vegetation, direct flow to lake

101 Loop Road 0380910 4878753

20 ft. x 25 ft. Mulch/erosion control mix, establish buffer/vegetation Low Low

19TR 4 Town Road Severe ditch erosion, winter sand

Loop Road down from Drew culvert 0381840 4278705

5 ft. x 400 ft.

Vegetate backslope of ditch, armor with stone, reshape ditch, remove sand from rip-rap

Low High

16R 4 Residential Moderate surface erosion, winter sand

Loop Road 0380927 4878659

8 ft. x 80 ft. Install runoff diverters, rubber razor – one more needed Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

17R 4 Residential Slight surface erosion, winter sand, direct flow to lake

Loop Road 0380916 4878603

80 ft. x 14 ft. Reshape (crown) driveway, install runoff diverters, add one more waterbar

Low Low

20TR 4 Town Road Unstable culvert inlet, slight surface erosion, winter sand, direct flow to lake

By culvert of Box 73 Loop Road 0380859 4878560

4 ft. x 600 ft.

Armor culvert inlet, install plunge pool at outlet, install check dams, install sediment pools at inlet, reshape/crown road

High High

1BE 4 Beach Access Slight surface erosion, shoreline erosion, erosion along upper side of beach, direct flow to lake

Association Beach 0380916 4878352

25 ft. x 18 ft.

Buffer plantings to narrow exposed area, install runoff diverters, open top culvert, define foot path from driveway to beach, mulch/erosion control mix, establish buffer/vegetation, stabilize receding banks with plants

Medium Low

21TR 4 Town Road Severe erosion in ditch, moderate shoulder erosion, small roadside plow berm, slight surface erosion

From 62 Loop Road uphill to mailbox 52 0380797 4878414

11 ft. to bank of ditch x 200 ft. up hill on road

Armor ditch with stone, reshape ditch, install check dams if maintained and cleaned

Low High

18R 4 Residential Slight surface erosion

45 Loop Road 0380761 4878487

30 ft. x 3 ft.

Reshape (crown) end of driveway, vegetate shoulder by large rocks, buffer planting

Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

22TR 4 Town Road

Moderate ditch erosion, bank failure, road shoulder erosion, roadside berm, moderate surface erosion, contributes to site 21 TR problems

Loop Road – uphill from #45 or site 18 R 0380737 4878539

50 ft. x 10 ft.

Armor ditch with stone, reshape ditch, clean out ditch and culvert, remove berm, reshape (crown) road

Low Medium

23TR 4 Town Road

Moderate ditch erosion, bank failure, roadside plow/grader berm, moderate surface erosion, site linked to site 21 TR

Box 34 Loop Road downhill to cross culvert 0380671 4878543

200 ft. x 15 ft.

Armor ditch with stone, reshape ditch, remove grader plow/berm, reshape (crown) road

Low Medium

24TR 4 Town Road Slight shoulder erosion, roadside plow/grader berm, slight surface erosion

Loop Road uphill from mailbox 26 to top of hill 0380609 4878596

100 ft. Remove grader/plow berms, reshape (crown) road Low Low

25TR 4 Town Road Severe shoulder erosion, severe surface erosion, linked to site 17 D

128 Loop Road 0380731 4878896

75 ft. x 7 ft. Build up road, reshape (crown) road, grade, more slope to woods

Low Medium

17D 4 Driveway Surface erosion, linked to site 25 TR

128 Loop Road 0380731 4878896

25 ft. x 40 ft. Install runoff diverters, rubber razor Low Low

26TR 4 Town Road Moderate ditch erosion, slight shoulder erosion, roadside berm, linked to sites 17 D & 25 TR

Intersection of Loop & Shore Roads uphill to 128 Loop Road 0380816 4878787

400 ft. x 10 ft. Remove clog from culvert, reshape ditch, clean out ditch Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

18D 5 Driveway Moderate surface erosion, bare soil, winter sand

Adirustic Lake Homes 0380013 4877481

18 ft. x 10 ft. Build up driveway, add gravel, install open top culvert, rubber razor

Medium Low

12PR 5 Private Road Slight surface erosion, drainage to driveway linked to site 5-1

Pole 14 – 18A Wayaka Road 0380021 4877468

200 ft. length of road

Install turnouts, reshape (crown) road, install open top culvert

Low Medium

19R 5 Residential Slight surface erosion, bare soil, roof runoff erosion, mild shoreline erosion, direct flow to lake

128 Wayaka Road 0380029 4877512

Define foot path, mulch/erosion control mix, berm and dripline trench

Low Low

19D 5 Driveway Moderate surface erosion, bare soil, direct flow to lake, link to site 5-3

128 Wayaka Road 0380023 4877531

Length of driveway

Gravel driveway, grade, install open top culvert & rubber razor

Medium Low

13PR 5 Private Road Culvert angle and size, moderate shoulder erosion, direct flow to lake

Between pole 13A & 10 mph sign 0379999 4877726

7 ft. x 8 ft.

Install or reshape ditch, reshape (crown) and grade driveway, install a second open top culvert

Low Low

20R 5 Residential Lack of shoreline vegetation, slight erosion, direct flow to lake

Milky Way 0380261 4877594

25 ft. Install berm behind flagpole, enhance with shrubs & small plants

Low Low

3P 5 Trail/path Moderate surface erosion, path with stone steps down to lake with exposed roots, direct flow to lake

101 Moosewa Road 0380765 4877828

20 ft. x 4 ft. Needs infiltration steps, establish buffer/vegetation Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

1BT 5 Boat Access Severe surface erosion, delta in stream/lake, direct flow to lake

Birch Lane (off Moosewa) 0380679 4877785

150 ft. x 3 ft. Install plunge pool, establish buffer/vegetation on both sides of stream

High Medium

14PR 5 Private Road

Unstable culvert outlet, severe shoulder erosion, slight surface erosion, unstable brook crossing, direct flow to stream

Wacipi Pines Road 0380240 4878060

15 ft. x 300 ft.

Install plunge pool, enlarge and clean out existing “natural” plunge pool, install turnouts, stabilize culvert outlet

Medium Medium

20D 5 Driveway Unstable culvert inlet /outlet, slight surface erosion, delta in stream, direct flow to stream

19 Wacipi Pines 0380313 4877954

2 ft. x 25 ft.

Armor culvert inlet/outlet, narrow the driveway, establish buffer/vegetation on outlet side

Low Low

15PR 5 Private Road Severe surface erosion, gullies in road, direct flow to lake

Private road off Wayaka Road at sharp curve 0380064 4877743

8 ft. x 200 ft. Install runoff diverter Medium Low

16PR 5 Private Road

Moderate surface erosion, small uncovered pile of soil, looks like surface erosion is sizable – lots of gravel has been put down, direct flow to lake

Private road off Wayaka Road by #38 0380300 4877737

8 ft. x 200 ft. Install turnouts, reshape (crown) road, grade, install runoff diverters

Medium Medium

21R 5 Residential Slight surface erosion, stream bank undercut, inadequate buffer/vegetation, erosion, direct flow to stream

Brook crossing across from Wacipi Pines Association on upstream side of road 0380447 4877763

5 ft. x 20 ft. Don’t allow boats to park by top bank of stream, establish buffer/vegetation

Low Low

Map Site Sector

Land Use

Type of Problem

Location & GPS coordinates

Area

Recommendations

Impact

Cost

27TR 6 Town Road

Moderate road shoulder erosion, winter sand, bank to wetland eroding, gullies in places, direct flow to stream & wetland

Forrest Edwards Road – 1st bridge across 0378876 4878362

Clean turnouts, vegetate shoulder, sweep up winter sand to prevent it from going into wetland, continue to encourage vegetation, clean out equipment

Medium Low

28TR 6 Town Road

Moderate road shoulder erosion, moderate surface erosion, short gulley at shoulder, direct flow to stream

Forrest Edwards Road to Greeley Brook 0379004 4878525

Remove grader berm and built up sand, vegetate shoulder, reshape at gulley

Medium Medium

17PR 6 Private Road Unstable inlet/outlet, clogged culvert, moderate surface erosion, direct flow to stream

¼ mile on Kilby Edwards Road crossing Greeley Brook 0379171 4878189

500 ft.

Armor culvert and remove clog, basic clean up of area, road surface needs gravel, reshape (crown), grade

Medium High

29TR 6 Town Road Winter sand, direct flow to stream

Forrest Edwards Road 3rd stream crossing 0379049 4878599

Clean up roadside sand etc, Medium Low

30TR 6 Town Road Direct flow to stream

Scribner Hill Road from Paulson Road – brook crossing 0378728 4878708

Culvert needs stabilizing because of undercut, armor inlet/outlet, install plunge pool, clean up road side

Medium Medium

31 TR 1 Town Road

Moderate surface erosion, winter sand, berms, lack of shoreline buffer, inadequate shoreline buffer, direct flow to lake

Lower end Otisfield Cove Road starting at #73 0378452 4883136

15 ft. x 250 ft.

Apply less erosive surface material, reduce winter sanding, remove berms, establish & enhance buffers.

Medium High

Permitting ABCs

Protection of Maine’s lake watersheds is ensured through the goodwill of lake residents and through laws and ordinances created and enforced by the State and municipalities. If you have plans to construct, expand, or relocate a structure, clear vegetation, create a new path or driveway, stabilize a shoreline, or otherwise disturb soil near a water body, you may need a State or local permit. The following ordinances require permits for soil-disturbing activities adjacent to wetlands and water bodies.

• Shoreland Zoning Act: Construction, clearing of vegetation, and soil movement within 250 feet of lakes, ponds, and many wetlands, and within 75 feet of most streams, fall under this act, which is administered through town code enforcement officers and planning boards. Please contact your town for more information.

• Natural Resource Protection Act: Soil disturbance and other activities within 75 feet of

lakeshores and tributary streams fall under this act, which Maine Department of Environmental Protection (DEP) administers. Even if projects within this zone are planned with intent to enhance the environment, such as installing some of the conservation practices mentioned in this report, contact Maine DEP to be sure.

To ensure that Natural Resource Protection Act permits for projects that will not result in significant disturbance are processed swiftly, Maine DEP has established a streamlined permit process called Permit by Rule. These one-page forms are simple to fill out and allow DEP to quickly review the project.

How to apply for a Permit by Rule with Maine DEP:

1. Fill out a notification form (shown at left) before beginning any on-the-ground work. Forms are available from any Maine DEP office (e.g. Augusta and Portland), or online at: http://www.maine.gov/dep/ blwq/docstand/nrpa/pbrform.pdf

2. Maine DEP will review the permit within

14 days. If you do not hear from Maine DEP within 14 days, you can assume your permit is approved and you may begin on-the-ground project work.

3. Follow all standards required for the

specific permitted activities to minimize soil erosion, such as installing a silt fence around the disturbed area. It is important that you obtain a copy of the standards so you will be familiar with the law’s requirements.

Conservation Practices for Homeowners After reading this report, you probably have a general idea about how to make your property more lake-friendly. However, making the leap from concept to construction may be a challenge. The MDEP and Portland Water District recently completed a series of fact sheets that answer many common how-to questions. The fact sheets profile 17 common conservation practices and include detailed instructions, diagrams and color photos about installation and maintenance. The series also includes six native plant lists. Each one is tailored to different site conditions (e.g., full sun and dry soils). The lists include plant descriptions from the MDEP’s Buffer Handbook and small color photos of each plant to make plant selection easier.

Rubber Razor—Use this structure in a gravel driveway or camp road. It can be plowed over only if the plow operator is aware of its presence and lifts the plow blade slightly. Place it at a 30 degree angle to the road edge and direct the outlet toward a stable vegetated area.

Drywell—Use a drywell to collect runoff from roof gutter downspouts. Drywells can be covered with sod or left exposed for easy access and cleanout. Drywells and infiltration trenches work best in sandy or gravelly soils.

Fact sheets are available to help you install conservation practices on your property. Download them at http://www.maine.gov/dep/blwq/docwatershed/materials.htm

½” – ¾”

Crushed Stone

Where to Go for More Information

Thompson Lake Environmental Association P.O. Box 25, 283 King Street Kathy Cain, Co-President Oxford, ME 04270 www.home.gwi.net/~tlea/index.html (207) 539-4535 and (207) 783-7531

TLEA is a non-profit organization with 400 members. Its environmental programs include water testing of Thompson Lake, weekend inspection for invasive plant fragments (milfoil) on boats entering and leaving the lake, a Youth Conservation Corps that has completed nearly 200 erosion control projects in its seven years, and, most recently, a major milfoil eradication effort using divers and a pontoon boat, which removed 22 tons of milfoil in 2008.

Fiddlehead Environmental Consulting P.O. Box 783 Jeff Stern, Watershed Specialist Harrison, ME 04040 [email protected] (207) 583-2723

FEC assists lake and river protection associations with watershed planning and surveys, report writing, erosion control, water quality testing, environmental education, training and fund raising.

Maine Department of Environmental Protection 312 Canco Road Wendy Garland, Watershed Manager Portland, ME 04103 [email protected] (207) 822-6300 www.maine.gov/dep/blwq 1-888-769-1036 (toll free)

MDEP provides technical assistance, reference materials, permitting, environmental education, project funding opportunities, and stewardship activities for streams, lakes and marine waters.

Otisfield Code Enforcement Officer Otisfield Town Office Richard St. John 403 State Route 121 [email protected] Otisfield, ME 04270 www.otisfieldme.gov/Pages/index (207) 539-2360

The Otisfield Code Enforcement Officer can explain the do’s and don’ts for building and rebuilding within the shoreland zone and explain the permits needed. Call for appointments or inspections.

Maine Nonpoint Source Training and Resource Center 17 State House Station Bill Laflamme Augusta, ME 04333 [email protected] (207) 287-7726 www.maine.gov/dep/blwq/training

The NPS Training and Resource Center offers courses in erosion control for contractors, including a primer and exam for Certified Professional Engineers in erosion and sediment control, camp road maintenance and storm water management.

Additional Information http://www.mainevolunteerlakemonitors.org/waterquality/indicators.php


Recommended