Shingle Creek and West Mississippi Watershed Management Commissions
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Shingle Creek SRP Reduction Project

Wetlands that have received many decades of nutrient and sediment-rich runoff from agricultural and developed land uses are at risk of transforming from nutrient sinks to nutrient sources. The hydrology of these wetlands has also often been altered, making them more susceptible to sediment nutrient release under anoxic conditions. The discharge from these altered wetlands is often high in soluble reactive phosphorus (SRP) and low in dissolved oxygen. SRP is the phosphorus form that is directly taken up by algae and other plants
 
In the Shingle Creek watershed, where nearly all of the remaining wetlands are highly disturbed and altered, these high concentrations of SRP can negatively impact downstream lakes and streams.  The SRP Reduction Project tested three media in filters built into the outlet weir at the outlet of a wetland in Crystal known by its DNR number, 639W. This wetland is directly upstream of Upper Twin Lake. Flow through the filters was metered, and water quality samples taken just upstream and from the outlets of each of the three filters were analyzed to determine which medium performed the best at reducing SRP. 

Learn more:
2019 Project Results
Funding for this project was provided by the Minnesota Pollution Control Agency through a Grant from the United States Environmental Protection Agency, Section 319 Nonpoint Source Management Fund.

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 >
      • Annual Report Archive
    • 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 >
        • Bass and Pomerleau Alum Treatments
        • Biochar Filters
        • SRP Reduction Project
        • Twin Lake Carp Management >
          • Carp Tracking
          • Twin Lake Next Steps
        • Wetland 639W
        • Connections at Shingle Creek
        • Bass CLP treatment
      • Projects Underway >
        • Bass Lake Vegetation Transplants
        • 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