TCMA Chloride TMDL - Watershed and Waterbody Characterization
Watershed and Waterbody Characterization
This section presents a brief description of the impaired lakes, wetlands and streams addressed in this TMDL. Watersheds, land use, water quality conditions, and sources of chloride are discussed.
Lakes and Wetlands
The Impaired Lake and Wetland Characterization in the TCMA table presents the impaired lakes and wetlands and general characteristics of each waterbody and watershed, including watershed area, percent impervious, lake area, mean depth, and volume. Percent impervious was derived using the National Land Cover Database (NLCD) from 2011 and is discussed further in the Land Use section
Impaired Lake and Wetland Characterization in the TCMA
Link to this table
| Waterbody Name | Watershed Area (ac) | % Impervious (NLCD, 2011)* | Lake Area (ac) | Mean Depth (ft) | Volume (ac-ft) |
|---|---|---|---|---|---|
| Battle Creek Lake | 4,326 | 33% | 93 | 4 | 372 |
| Brownie Lake | 452 | 53% | 18 | 22 | 404 |
| Carver Lake | 2,242 | 31% | 48 | 15 | 720 |
| Como Lake | 1,850 | 36% | 69 | 6 | 414 |
| Diamond Lake | 744 | 45% | 51 | 3 | 57 |
| Kasota Pond North | 10 | 45% | 1.4 | n/a | n/a |
| Kasota Pond West | 6 | 69% | 0.9 | n/a | n/a |
| Kohlman Lake | 7,533 | 33% | 82 | 4 | 328 |
| Little Johanna Lake | 1,703 | 50% | 17 | 10 | 170 |
| Loring Pond (South Bay)** | 34 | 17% | 7 | 7.5 | 52.5 |
| Mallard Marsh | 16 | 43% | 2.9 | n/a | n/a |
| Parkers Lake | 1,064 | 41% | 93 | 11 | 1,023 |
| Peavey Lake | 776 | 15% | 9.7 | n/a | n/a |
| Pike Lake | 5,735 | 43% | 36 | 7 | 252 |
| Powderhorn Lake | 332 | 45% | 12 | 4 | 73 |
| Silver Lake | 655 | 38% | 71 | 6 | 426 |
| South Long Lake | 114,785 | 12% | 186 | 16 | 2,976 |
| Spring Lake | 39 | 25% | 3 | 9.5 | 28.5 |
| Sweeney Lake | 2,439 | 41% | 69 | 12 | 828 |
| Tanners Lake | 1,732 | 31% | 69 | 19 | 1,311 |
| Thompson Lake | 178 | 53% | 7 | 8 | 56 |
| Valentine Lake | 2,404 | 32% | 55 | 4 | 220 |
| Wirth Lake | 426 | 13% | 37 | 11 | 407 |
Streams
The Impaired Stream Characterization in the TCMA table resents the impaired streams and watershed area and percent impervious cover of the watershed.
Impaired Stream Characterization in the TCMA
Link to this table
| Waterbody Name | Watershed Area (ac) | % Impervious (2011)* |
|---|---|---|
| Bass Creek | 5,434 | 30.9% |
| Bassett Creek | 25,209 | 33.8% |
| Battle Creek | 7,246 | 32.6% |
| Elm Creek | 66,382 | 9.7% |
| Judicial Ditch 2 | 1,587 | 20.6% |
| Minnehaha Creek | 109,151 | 14.4% |
| Raven Stream | 42,750 | 2.0% |
| Raven Stream, East Branch | 14,751 | 4.5% |
| Rush Creek, South Fork | 13,844 | 4.7% |
| Sand Creek (includes AUIDs: 07020012-513 and 07020012-662) | 175,578 | 2.0% |
| Unnamed creek (Headwaters to Medicine Lk) | 6,447 | 37.6% |
| Unnamed creek (Unnamed ditch to wetland) | 793 | 37.6% |
| Unnamed Stream (Unnamed lk 62-0205-00 to Little Lk Johanna) | 1,627 | 51.6% |
-* Source: 2011 NLCD