Spring Lake Watershed Spring Lake Watershed PlanPlan

Funding for this project provided, in part, by the Governor of Funding for this project provided, in part, by the Governor of Illinois and the Illinois Environmental Protection Agency Illinois and the Illinois Environmental Protection Agency

through section 319 of the Clean Water Act.through section 319 of the Clean Water Act.

Spring Lake Watershed Committee Members:Lee Calvert, Chairman

Jon Bowman, Vice-ChairmanAlice Henry, Secretary

Jim BesslerWalter Burnett

Chuck EhlschlaegerScott McConnell

Dana WalkerMike Ward

Travis Weaver

Plan Writer / Watershed Coordinator: Daniel Moorehouse

McDonough County SWCD Resource Conservationist: Duane MansirMcDonough County NRCS District Conservationist: Gregory Jackson Sr.

Mission Statement:Mission Statement:

Improve the water quality of Spring Lake Improve the water quality of Spring Lake while sustaining recreational, agricultural, while sustaining recreational, agricultural,

municipal, and residential resources.municipal, and residential resources.

Spring Lake Watershed Technical Spring Lake Watershed Technical

CommitteeCommittee Name Affiliation

Richard Ferguson McDonough County Farm Bureau

Ray Peterson Macomb Park District

Jim Nelson Assoc. of Soil & Water Conservation Dist.

Barrie McVey IDNR Forestry

Lee Calvert Farmer

Loretta Ortiz-Ribbing U of I Extension

Alice Henry McDonough County Board

Chuck Ehlschlaeger Western Illinois University

Jonathan Heerbooth West Prairie School District

Jim Bessler City of Macomb

Walter Burnett City of Macomb

Jeff Boeckler IDNR

Beau Thomas NRCS Soil Conservationist

Sue Phelps NRCS Soil Conservation Technician

Dana Walker La Moine River Ecosystem Partnership

Roger Windhorn NRCS Soil Scientist/Geologist

Scott McConnell Western Illinois University

Ken Russell IDNR District Fisheries Biologist

IEPAIEPASpring Lake Water Quality Spring Lake Water Quality

ImpairmentsImpairments

total phosphorus *total phosphorus * total suspended solidstotal suspended solids excess algal growth excess algal growth total nitrogentotal nitrogen

* has numeric standard* has numeric standard

Problem statements identified by the planning committee on May 24th 2007

      Gully erosion in forested areas       Construction of Rt. 336       Recreational impacts

      Erosion in pasture areas          Construction runoff          Impacts

      Phosphorus in lake bottom          Impervious surface          Sustainable uses

      Status of mine area          Habitat resource degradation          Supporting current uses

         Is it active?       Threatened and endangered species       Algal issues

         Reclamation          Wetlands       Nutrient management

      West Prairie High School      Land use (coordinate with Macomb’s Comprehensive Plan)          Awareness of programs

         Is discharge monitored?       Erosion of cropland       Lake View Nature Center (cooperation)

      Viability of drinking water.       Live stock       Cooperation w/ WIU and other groups

      Water source          Pasture       Wildlife impacts

         Capacity          Feedlot          Overpopulation of deer

         Quality of H2O          Stream access          Watering / causing erosion in streams

         Dam Conditions (safety)       Spring Lake Park       Subdivision storm water runoff

      Will plan coordinate with Macomb’s comprehensive plan?       Educational          Lawn chemicals

      Ground Water          Park programs          Flash storm water runoff

      Septic systems          Other educational          Retention/detention

         Where do they drain?          Cost share programs       Natural gas storage facility

         How many?       VOC in lake from 2-cycle outboards          Impacts

      Update inspections          Construction

      Maintenance of existing roads/impacts

Watershed HistoryWatershed HistoryPL 566 Plan 1983-97PL 566 Plan 1983-97

54 acres of grassed waterways54 acres of grassed waterways 75,000 feet of terraces75,000 feet of terraces 25 grade stabilization structures25 grade stabilization structures 73 water and sediment control basins73 water and sediment control basins 52 diversions52 diversions 62 acres of crop to pasture 62 acres of crop to pasture

conversionconversion 3,600 acres of conservation tillage3,600 acres of conservation tillage 174 acres of contouring174 acres of contouring

Watershed Resource Inventory

Spring Lake Watershed Land Use

Small Grains

/ Grassland

9%

Water and

wetlands

2%

Forest

11%

Rowcrops

76%

Other

1%Urban Land

1%

Land cover mapLand cover map

Soil K Factor & Soil LSSoil K Factor & Soil LS

Problem StatementsProblem Statements High Priority:High Priority:

excessive amount of phosphorusexcessive amount of phosphorus excessive amount of total suspended excessive amount of total suspended excessive amount of nitrogen excessive amount of nitrogen decline in water storage capacity of decline in water storage capacity of

Spring Lake Spring Lake

Problem StatementsProblem Statements Medium Priority:Medium Priority:

Poor management of forest resources Poor management of forest resources Possibility of excessive amounts of (VOC) Possibility of excessive amounts of (VOC)

volatile organic compounds volatile organic compounds The quality and number of wetlands acres The quality and number of wetlands acres Possibility of excessive amount of pesticides Possibility of excessive amount of pesticides Excessive number of white-tailed deer Excessive number of white-tailed deer Protect the fish resources by improving fish Protect the fish resources by improving fish

habitat in Spring Lake habitat in Spring Lake

Problem StatementsProblem Statements Low Priority:Low Priority:

Protection of threatened and Protection of threatened and endangered species in the watershedendangered species in the watershed

Protection of ground water resources Protection of ground water resources in the watershed in the watershed

Water quality of Spring Lake does not Water quality of Spring Lake does not meet the standards for a swimming meet the standards for a swimming beach beach

Implementation Implementation strategiesstrategies

PhosphorusPhosphorus

Phosphorus Phosphorus

Current loads & wasteloads* 7,564

TMDL (allowable load) 3,082

Phosphorus reduction needed 4,482 59%

* Documented by IEPA ( lb/per year )

Spring Lake Watershed Spring Lake Watershed phosphorus origin and cost phosphorus origin and cost

mitigation studies mitigation studies Implement RAP-M study to quantify Implement RAP-M study to quantify

phosphorus entering the lake through phosphorus entering the lake through stream bank erosion stream bank erosion

Implement a detailed stream bank study to Implement a detailed stream bank study to locate stream bank stabilization project sites locate stream bank stabilization project sites

Design and implement watershed soil Design and implement watershed soil phosphorus study to identify specific phosphorus study to identify specific locations of soil types that contain high locations of soil types that contain high concentrations of phosphorus concentrations of phosphorus

Recommended practices for Recommended practices for Reducing PhosphorusReducing Phosphorus

Practice # of

Estimated reduction of phosphorus

lb/yrEstimated total reduction lb/yr

WASCOB 50 structures 8 400 Lb/Yr

Stream bank stabilization 5,000 feet of bank 0.056 281 Lb/Yr

Grade stabilization 20 structures 1 20 Lb/Yr

Brush checks 25 structures 2 50 Lb/Yr

Diversions 40 structures 1 40 Lb/Yr

Terrace - underground outlet 20,000 feet 12 240 Lb/Yr

Grassed waterway 1,000 feet 0.004 4 Lb/Yr

Conversion to not-till 1,000 acres 2 2,000 Lb/Yr

Total reduction 3,035 Lb/Yr

Additional phosphorus Additional phosphorus reductions strategiesreductions strategies

Septic system education and Septic system education and replacement replacement Present an educational workshop to local Present an educational workshop to local

residents about septic systems residents about septic systems Provide cost share for low income Provide cost share for low income

households to fix problem septic systemshouseholds to fix problem septic systems

Livestock waste management Livestock waste management Encourage producers to develop a waste Encourage producers to develop a waste

management plan and provide technical management plan and provide technical assistance through the SWCD and RC&D assistance through the SWCD and RC&D

Estimated phosphorus Estimated phosphorus pollution after implementationpollution after implementation

Current loads & wasteloads 7,564

Total reduction from the plan - 3,035

Loads & wasteloads 4,529

TMDL (allowable load) 3,082

Phosphorus reduction still needed 1,447 32%

Watershed nutrient Watershed nutrient management management

Develop a nutrient management incentive program to encourage landowners by providing technical assistance and financial support to implement a nutrient management plan on 2,000 acres in the watershed over the next 5 years (2008–2012).

Additional implementation Additional implementation strategiesstrategies

Spring Lake water storage Spring Lake water storage capacity studycapacity study

Design and implement a study to better Design and implement a study to better ascertain storage capacity and ascertain storage capacity and sedimentation rates of Spring Lake. sedimentation rates of Spring Lake.

Wetland constructionWetland construction

Construct 100 acres of new wetland Construct 100 acres of new wetland

Containment analysis of Containment analysis of Spring LakeSpring Lake

Study the impact VOC (volatile organic Study the impact VOC (volatile organic compounds) and pesticidescompounds) and pesticides

Forest ManagementForest Management

Hold forest management workshop Hold forest management workshop Assist landowners to develop and carry out Assist landowners to develop and carry out

forest management plans & control exotic and forest management plans & control exotic and invasive speciesinvasive species

White-tailed deer White-tailed deer managementmanagement

Encourage landowners to open their land for Encourage landowners to open their land for hunting hunting

Investigate the possibility of having a white-tailed Investigate the possibility of having a white-tailed deer hunt on city property surrounding the lakedeer hunt on city property surrounding the lake

Cost SummaryCost Summary

Project Total Cost

Spring Lake Watershed phosphorus origin and cost mitigation studies $ 34,000

Erosion control & stream bank stabilization $ 514,500

Septic system education and replacement $ 1,000

Watershed nutrient management $ 24,000

Spring Lake water storage capacity study $ 2,000

Wetland construction $ 50,000

Forest Management $ 500

Total $ 626,000

Measuring Progress/Success Measuring Progress/Success

1) Implementation of plan strategies by 1) Implementation of plan strategies by the timeline (Table 7) the timeline (Table 7)

2) Reduction 3,035 lb/yr of phosphorus 2) Reduction 3,035 lb/yr of phosphorus entering the Spring Lake by 2012 entering the Spring Lake by 2012

3) Reduction in sedimentation rates 3) Reduction in sedimentation rates monitored by the lake sedimentation studymonitored by the lake sedimentation study

4) Cooperation between the agencies and 4) Cooperation between the agencies and groups listed in this plan to meet our groups listed in this plan to meet our goals/objectives goals/objectives

Improve the water quality of Spring Lake Improve the water quality of Spring Lake while sustaining recreational, agricultural, while sustaining recreational, agricultural,

municipal, and residential resources.municipal, and residential resources.