Shingle Creek and West Mississippi Watershed Management Commissions
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    • TMDLs and Studies >
      • TMDLs
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      • Completed Projects >
        • Biochar Filters
        • SRP Reduction Project
        • Twin Lake Carp Management >
          • Carp Tracking
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        • Wetland 639W
        • Connections at Shingle Creek
      • Projects Underway >
        • Bass CLP treatment
        • Bass and Pomerleau Alum Treatments
        • Crystal Lake Management Plan
        • Meadow Lake Management Plan
        • Connections II Stream Restoration
        • Bass Creek Restoration
  • What You Can Do
    • Smart Salting
    • Resources
    • Volunteer to Help
    • Volunteer Monitoring
    • Links to Learn More
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Lake and Stream Water Quality

The Commissions monitor flow and water quality in the streams in the watersheds and in the outfalls to the Mississippi River, as well as lake water quality, fish communities and aquatic vegetation. Results are published in an annual Water Quality Report. Water quality in the lakes and streams in the two watersheds is typical of urban waters in the Twin Cities metropolitan area, and is dominated by watershed runoff.

2021 Annual Water Quality Report
2020 Water Quality Report and Appendices
2019 Water Quality Report and Appendices
2018 Water Quality Report and Appendices
2017 Water Quality Report and Appendices
2016 Water Quality Report and Appendices
2015 Water Quality Report


Thirteen of the 16 lakes were originally listed as Impaired Waters due to excess nutrients, and TMDLs and Implementation Plans have been approved for all 13 of the lakes. Three of those lakes - Lower Twin, Ryan, and Schmidt - now meet state standards and have been "delisted" from the 303(d) list of Impaired Waters. Two more lakes - Bass and Pomerleau - are being considered for delisting. Shingle Creek is Impaired for chloride, low dissolved oxygen, aquatic life, and E. coli bacteria. Bass Creek is Impaired for chloride and aquatic life.
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The Clean Water Act requires all states to evaluate the conditions of their lakes, streams, and wetlands, and to establish standards for surface water quality. Waters that do not meet a state's standards must be included on the state's 303(d) List of Impaired Waters. When the waters are improved and meet water quality standards, they are eligible for "delisting."

The Minnesota Pollution Control Agency administers the Clean Water Act in Minnesota. Find out more about the state's Impaired Waters program here
.


Lake Report Cards
​Bass Lake
Cedar Island Lake
Crystal Lake
Eagle Lake
Lake Magda
Meadow Lake
Pike Lake



Pomerleau Lake
Ryan Lake
Schmidt Lake
Lake Success
Upper Twin Lake
Middle Twin Lake
Lower Twin Lake

CONTACT US

Shingle Creek and West Mississippi
Watershed Management Commissions
3235 Fernbrook Lane N, Plymouth, MN  55447
Phone (763) 553-1144   Fax (763) 553-9326
Email judie@jass.biz
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The Shingle Creek and West Mississippi Watersheds are on Dakota and Anishinaabe land. For more information about land acknowledgements check out the Native Governance Center website.
  • Home
  • Commissions
    • Meetings >
      • Minutes & Meeting Packets
      • TAC Meetings
      • Presentations
    • Shingle Creek Commissioners
    • West Mississippi Commissioners
    • Technical Advisory Committee
    • Staff
    • Management Plan >
      • 3rd Generation Plan
    • Annual Reports
    • Budget
    • History
    • Maps
    • Member City Resources
  • Project Reviews
    • Application Materials
    • Standard Details
    • Recent Projects
  • Studies and Projects
    • Monitoring Program
    • Water Quality
    • TMDLs and Studies >
      • TMDLs
      • Studies
    • Projects >
      • Completed Projects >
        • Biochar Filters
        • SRP Reduction Project
        • Twin Lake Carp Management >
          • Carp Tracking
          • Twin Lake Next Steps
        • Wetland 639W
        • Connections at Shingle Creek
      • Projects Underway >
        • Bass CLP treatment
        • Bass and Pomerleau Alum Treatments
        • Crystal Lake Management Plan
        • Meadow Lake Management Plan
        • Connections II Stream Restoration
        • Bass Creek Restoration
  • What You Can Do
    • Smart Salting
    • Resources
    • Volunteer to Help
    • Volunteer Monitoring
    • Links to Learn More
  • Contact Us