Date post: | 02-Nov-2014 |
Category: |
Education |
Upload: | lake-superior-binational-forum |
View: | 276 times |
Download: | 0 times |
Nipigon Stormwater Scoping Report Sample Site Conditions, Watershed Data, Roles and Responsibilities Dr. Robert Stewart Faculty of Science and Environmental Studies
• The purpose of a Stormwater Master Plan is to provide an integrated process to evaluate existing infrastructure and policies, identify drainage system deficiencies, and develop an implementation plan, including capital planning estimates and possible funding mechanisms for a long-term sustainable program, including policy to manage stormwater, within municipal boundaries
Context
• A characterization of the existing environmental conditions for all watersheds within municipality.
• An assessment of the effectiveness of existing stormwater management infrastructure at reducing the negative impacts of stormwater on the environment, including the consideration of the potential impacts of climate change on the effectiveness of existing infrastructure.
• The identification of new stormwater measures, retrofit opportunities or improvements to existing infrastructure that could improve the level of water quality and flow capacity.
• A determination of the framework for an Asset Management model that incorporates costs of capital, operations and maintenance, and replacement with a life-cycle approach.
• An identification of recommended strategies for stormwater management in the municipality; and
• A Recommended implementation plan
A Master Plan often includes:
• The purpose of this scoping report is to determine the key priorities, issues and resources available for coordinated stormwater management efforts in the Township of Nipigon.
• It is the first phase of a more comprehensive stormwater management assessment required in the development of a Stormwater Management Master Plan (SWMMP), and Watershed Restoration Plan (WRP) for Clearwater Creek.
Stormwater Scoping Report
Year 1 (2013-2014) Master Plan Scoping Study • Develop suitable reference sites within the Town of Nipigon
watershed. These reference sites can be used for comparison to assess the level of impact tributaries exposed to urban municipal discharge
• Examine tributaries within the city limits, identify the extent of ecosystem impairments, characterize contaminant sources, and provide inventory of physical characteristics to identify areas of concern (i.e. stormwater outfalls, severe erosion, impacted buffer, utility crossings, stream crossings, channel modification etc.)
• Offer mitigation options and pollution prevention strategies to improve conditions within impaired tributaries
D D D
D
(D
D
IMG_0033.JPG
Page 13 of 205
Site Notes: Stage 2 enhancement measure for Clearwater Creek. Well established vegetation, however site has not been maintained.
Site: 1 St. Edwards School Retention Catchment
Stormwater
2013:09:04 11:36:54
D D
D
(D D
D
IMG_0035.JPG
Page 14 of 205
Site Notes: Retention tank at Site 1
Site: 1 St. Edwards School Retention Catchment
Stormwater
2013:09:04 11:36:59
D D D
(D D
D
IMG_0037.JPG
Page 15 of 205
Site Notes: Spillway from retention pond to Clearwater Creek - exposed cobble from path of drainage. (could be re-vegetated to improve retention and reduce erosion.
Site: 1
2013:09:04 11:37:09
D D (D
D
D
D
210 IMG_0041.JPG
Page 16 of 205
Site Notes: Clearwater Creek looking upriver. High turbitity from erosion. Sediment contribution from upstream east side of creek major outfall from First Street (Site 4); Harkness Street runoff into St Edwards lot and down by platform.
Site: 1
2013:09:04 11:38:46
D
D
D
D
D
D
D
D
D
(D
D
D
D
D D
200
IMG_0047.JPG
Page 18 of 205
Site Notes: From CN line North of tracks down to ravine. Remediated site using boulders. View is a well vegetated and established section.
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 11:54:29
D
D
D
D
D
D
D
D
D
(D
D
D
D
D D
200
IMG_0049.JPG
Page 19 of 205
Site Notes: Top of Ravine looking back toward Nipigon Cafe. Vegetation established. No overland drainage problems reported.
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 11:54:34
D
D
D
D D
D
D
D
D (D
200
IMG_0067.JPG
Page 20 of 205
Site Notes: Drainage pipe from Nipigon Cafe. Newly replaced with rip rap rock to prevent further erosion. However no soil or vegetation cover. Also need to ensure boulders are sealed with fine material for vegetation to establish. Temporary fix.
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 12:00:55
D
D
D D
D D D D
D
(D
IMG_0071.JPG
Page 21 of 205
Site Notes: Left of half pipe shows where rip rap fills in previous erosion.
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 12:04:31
D
D
D
D D
D
D
D
D (D
200
IMG_0073.JPG
Page 22 of 205
Site Notes:
Fish passage and erosion control / enhancement works in creek below half pipe. No seal of fine materials established for vegetation and erosion reduction. Need to monitor vegetation growth. Area also has noticable floodplain. Need to assess hazard potential and mitigation of fish passage measures. Need to ensure pool/riffle sequence. Potentially clear culvert for fish passage
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 12:07:24
D D
D
D D
D
D
D D
(D
D
D D
200
200
IMG_2296.JPG
Page 23 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:44:42
D (D
D
D
D
D
D
D
D
D
D D
D
D
D D
200
IMG_0056.JPG
Page 24 of 205
Site Notes:
Site: 3 Drainage Outfall from Nipigon Cafe
2013:09:04 11:56:09
D D
D
D D
D
D
D
(D
D
D
D D
D
D
D
200
IMG_2286.JPG
Page 25 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:32:18
D
D
D
D
D
D
D D
D
D
(D
D
D
D
D
D
200
IMG_2289.JPG
Page 26 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:36:08
D
D
D
D
D
D
D D
D
D
(D
D
D
D
D
D
200
IMG_2290.JPG
Page 27 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:36:31
D
D
D
D
D
D
D D
D
D
D
(D
D
D
D
D
200
IMG_2291.JPG
Page 28 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:37:07
D D
D
D D
D
D
D
(D
D
D
D D
D
D
D
200
IMG_2287.JPG
Page 29 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:32:31
D
D
D
D
D
D D
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
D
(D
D
D
D
D
D
D
200
IMG_2288.JPG
Page 30 of 205
Site Notes:
2013:08:27 14:35:09
D D
D
D D
D
D
D D
D
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
(D
D D 200
200
The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.
IMG_2300.JPG
Page 31 of 205
Site Notes:
2013:08:27 14:46:45
D
D
D
D D
D
D
D
D (D
200
IMG_2303.JPG
Page 32 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:50:37
D
D
D
D D
D
D
D
D (D
200
IMG_2304.JPG
Page 33 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:50:39
D
D
D D
D D D D
D
(D
IMG_2305.JPG
Page 34 of 205
Site Notes:
Site: 3 Initial Trip by Rob Stewart - 08/27/2013
2013:08:27 14:51:41
(D
210 IMG_0075.JPG
Page 36 of 205
Site Notes:
Site: 4
2013:09:04 12:19:14
(D
210
220
IMG_0082.JPG
Page 37 of 205
Site Notes: Grassy swale by hospital. Water obscured by vegetation.
Site: 5
2013:09:04 12:26:31
(D D
D
IMG_0094.JPG
Page 38 of 205
Site Notes:
Site: 6
2013:09:04 12:32:07
The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.
D
(D
D
The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.
IMG_2309.JPG
Page 39 of 205
Site Notes:
Site: 6
2013:09:04 12:32:22
(D
IMG_2310.JPG
Page 40 of 205
Site Notes:
Site: 6
2013:09:04 12:56:44
D (D
IMG_0101.JPG
Page 42 of 205
Site Notes:
Site: 7
2013:09:04 12:44:50
(D D
IMG_0105.JPG
Page 43 of 205
Site Notes:
Site: 7
2013:09:04 12:45:41
D (D
IMG_0107.JPG
Page 44 of 205
Site Notes:
Site: 7
2013:09:04 12:45:53
D
D
D
(D
D
260
IMG_0115.JPG
Page 45 of 205
Site Notes:
Site: 9
2013:09:04 12:52:54
D D
(D
D
D
IMG_0121.JPG
Page 46 of 205
Site Notes:
Site: 9
2013:09:04 12:53:52
D D
D
(D
D IMG_0123.JPG
Page 47 of 205
Site Notes:
Site: 9
2013:09:04 12:54:19
D D
D
(D
D IMG_0125.JPG
Page 48 of 205
Site Notes:
Site: 9
2013:09:04 12:54:25
D (D
D D
D
D 190
200
210
220
IMG_0167 - Copy.JPG
Page 50 of 205
Site Notes:
Site: 11
2013:09:04 13:23:11
D D
D D
D
(D
220
IMG_0169.JPG
Page 51 of 205
Site Notes:
Site: 11
2013:09:04 13:23:18
D (D
D D
D
D 190
200
210
220
IMG_0171.JPG
Page 52 of 205
Site Notes:
Site: 11
2013:09:04 13:23:33
D D
(D
D
D
D
IMG_0180.JPG
Page 53 of 205
Site Notes:
Site: 11
2013:09:04 13:24:46
D D
(D
D
D
D
IMG_0182.JPG
Page 54 of 205
Site Notes:
Site: 11
2013:09:04 13:25:03
D D
D D
D
(D
220
IMG_0194.JPG
Page 55 of 205
Site Notes:
Site: 11
2013:09:04 13:27:11
D
D
D (D
IMG_0204.JPG
Page 57 of 205
Site Notes:
Site: 12
2013:09:04 13:34:20
D (D
D
D
IMG_0206.JPG
Page 58 of 205
Site Notes:
Site: 12
2013:09:04 13:34:42
(D
D
D D
IMG_2321.JPG
Page 59 of 205
Site Notes:
Site: 12
2013:09:04 13:35:26
Infosuperior.com