Clearwater River Watershed District
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    • Clearwater River Chain of Lakes (1980) Restoration Project >
      • Annandale Wetland Treatment System
      • Kingston Wetland Feasibility Study and Restoration Project
    • Total Maximum Daily Load (TMDL) Implementation Projects >
      • Alternative Tile Intake Project
      • Clearwater River Channel Stabilization (CCM Riparian) Project
      • Clearwater River Restoration & Protection Phase II Project
      • City of Kimball Stormwater Treatment Phase II
      • Targeted Fertilizer Application Reduction Project
      • Watkins Area Stormwater Treatment Project
      • Willow Creek (Kimball Phase I) Stormwater Retention / Reuse Project
      • Potential Future Implementation Projects
    • Bass Lake AIS Management
    • Clear Lake South Notch Weir
    • Cedar Albion Swartout Henshaw Project #06-1 >
      • CASH Project #06-1 Fish Barriers
      • CASH Project #06-1 Rough Fish Removal
      • CASH Project #06-1 Segner Pond
      • Cedar Lake Watershed Protection & Improvement Project
    • Clear Lake North V-Notch Weir
    • Clearwater Lake Milfoil Treatment
    • CRWD Bog Control Projects
    • Communal Sanitary Sewer Systems >
      • Clearwater Harbor - Hidden River Project #18-1 (Nitrogen Mitigation & Analysis Plan Implementation)
    • Lake Augusta Aquatic Invasive Species (AIS) Project
    • Lakes Louisa & Marie Aquatic Invasive Species (AIS) Project
    • Norton Avenue Basin
    • Ostmark Basin
    • Pleasant Lake Outlet Control Structure
    • Cedar Lake Aquatic Invasive Species (AIS) Project
    • School Section Lake Outlet Control Structure
    • Wastewater Treatment Task Force
    • Water Quality Monitoring Program
  • Contact

​Watkins Area Stormwater Treatment Project

The CRWD applied for and received a $351,906 grant from the Minnesota Board of Water and Soil Resources to construct a stormwater treatment systems near the City of Watkins (official grant title: 2015 - Watkins Area Stormwater Treatment - C15-1978). An additional $231,909 in local match was also provided to complete this project. This grant is funded through the Clean Water Land and Legacy Amendment. Total project cost was estimated at $583,815.

This project targets a 796 pound annual phosphorus reduction by treating runoff from 6,500 acre urban and agricultural drainage area that flows to the Clearwater River and Lake Betsy. The project treats runoff from about 30% of the drainage area to the DO and bacteria impaired Clearwater River, and about 15% of the drainage area to nutrient impaired Lake Betsy. The project represents a 10% reduction of the non-point source phosphorus load to Lake Betsy, while improving water quality in the Clearwater River and several donstream lakes in the Clearwater River Chain of Lakes. The project is also project to provide 10% of the water load reduction for nitrogeneous oxygen demand for the Clearwater River.

The projects target treatment of the 1.25 inch event through filtration/ infiltration. Low flows will be diverted from two streams through a treatment train which includes a sedimentation basin for particulate treatment and a limestone filter for dissolved phosphorus treatment. Soils in the area are generally sandy, so if project area soil borings show infiltration is possible, the basins will infiltrate treated stormwater to recharge shallow groundwater which discharges locally to the Clearwater River and deeper aquifers. Because low flows are treated and infiltrated, peak flows are reduced, returning the system to something closer to native hydrology than the current ditched drainage system. Shallow groundwater resources are also recharged and runoff volume reduced.

This project is being completed due to the cooperation between the Clearwater River Watershed District, the Minnesota Board of Water & Soil Resources, the City of Watkins and local property owners.
View Willow Creek (Kimball Phase I) Stormwater Retention / Reuse Project

Project Documents

Preliminary Watkins Area Stormwater Treatment Concept

Grant Reporting Requirements

BWSR eLink Grant Report - January 2018 - Watkins Area Stormwater Treatment Project
BWSR eLink Grant Report - January 2017 - Watkins Area Stormwater Treatment Project
BWSR eLink Grant Report - January 2016 - Watkins Area Stormwater Treatment Project
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This page is maintained by CRWD Board Managers. 
​
​© Copyright 2020
Board Meetings
Third Wednesday of the month at 6pm
​
Special and emergency meetings may be called. Such meetings will be properly notice per MN Statutes. 
Clearwater River Watershed District 
93 Oak Avenue South, Suite 5
Annandale, MN 55302

Mailing Address:
3235 Fernbrook Ln N
​Minneapolis, MN 55447
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  • Home
  • About
    • Board Meetings
    • Board of Managers
    • Staff
    • Advisory Committee
    • Guiding Documents >
      • Policy Book
    • General Watershed Information
    • AIS Education
  • Publications and Reports
    • CRWD 10 Year Watershed Plan
    • Annual Reports
    • Audit Reports
    • CRWD Brochures
    • Glossary
    • Meeting Minutes
    • Total Maximum Daily Load Reports
    • Water Quality Monitoring Reports
    • Other Publications & Reports
  • Incentives
    • Agricultural Incentives
    • Residential / Commercial Incentives
    • Partnership Incentives
  • How You Can Help
    • Invasive Species
    • Implement Best Management Practices (BMPs)
    • Increase your knowledge
    • Join a Lake Association
  • Projects
    • Clearwater River Chain of Lakes (1980) Restoration Project >
      • Annandale Wetland Treatment System
      • Kingston Wetland Feasibility Study and Restoration Project
    • Total Maximum Daily Load (TMDL) Implementation Projects >
      • Alternative Tile Intake Project
      • Clearwater River Channel Stabilization (CCM Riparian) Project
      • Clearwater River Restoration & Protection Phase II Project
      • City of Kimball Stormwater Treatment Phase II
      • Targeted Fertilizer Application Reduction Project
      • Watkins Area Stormwater Treatment Project
      • Willow Creek (Kimball Phase I) Stormwater Retention / Reuse Project
      • Potential Future Implementation Projects
    • Bass Lake AIS Management
    • Clear Lake South Notch Weir
    • Cedar Albion Swartout Henshaw Project #06-1 >
      • CASH Project #06-1 Fish Barriers
      • CASH Project #06-1 Rough Fish Removal
      • CASH Project #06-1 Segner Pond
      • Cedar Lake Watershed Protection & Improvement Project
    • Clear Lake North V-Notch Weir
    • Clearwater Lake Milfoil Treatment
    • CRWD Bog Control Projects
    • Communal Sanitary Sewer Systems >
      • Clearwater Harbor - Hidden River Project #18-1 (Nitrogen Mitigation & Analysis Plan Implementation)
    • Lake Augusta Aquatic Invasive Species (AIS) Project
    • Lakes Louisa & Marie Aquatic Invasive Species (AIS) Project
    • Norton Avenue Basin
    • Ostmark Basin
    • Pleasant Lake Outlet Control Structure
    • Cedar Lake Aquatic Invasive Species (AIS) Project
    • School Section Lake Outlet Control Structure
    • Wastewater Treatment Task Force
    • Water Quality Monitoring Program
  • Contact