The reports and related documents listed here are total maximum daily load projects undertaken in the Lower St. Croix River Watershed. See the watershed-approach TMDL report on the Lower St. Croix River Watershed page.
Basin-wide projects
Lake St. Croix TMDL: Excess nutrients
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(EPA approval 8/8/2012)
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(MPCA approval 10/26/2012)
Chisago County
Chisago Lakes Lake Improvement District TMDL: Nutrients/eutrophication
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(EPA approval 2/20/2013)
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(MPCA approval 2/25/2013)
Comfort Lake-Forest Lake Watershed District TMDL: Excess nutrients
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(EPA approval 6/7/2010)
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(MPCA approval 6/11/2010)
Washington County
Valley Branch Watershed District TMDL and WRAPS
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(EPA approval 7/7/2016)
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(MPCA approval 3/8/2016)
Carnelian-Marine-St. Croix Watershed District 10 lakes TMDL: Excess nutrients
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(EPA approval 9/18/2012)
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(MPCA approval 8/30/2013)
Browns Creek TMDL: Lack of cold water assemblage and impaired biota
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(EPA approval 12/21/2010)
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(MPCA approval 2/16/2012)
Anoka County
Typo and Martin lakes TMDL: Excess nutrients
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(EPA approval 6/20/2012)
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(MPCA approval 8/8/2012)
Multiple counties
Sunrise River TMDL: Fecal coliform
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(EPA approval 2/22/2007)
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(MPCA approval 2/22/2007)
Sunrise River Watershed TMDL: Multiple impairments
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(EPA approval 4/28/2014)
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(MPCA approval 12/16/2014)
- Sunrise River Watershed feasibility study (U.S. Army Corps of Engineers)
Addressing phosphorus in Sunrise River Watershed (Science Museum's St. Croix Watershed Research Station)
- Reductions from changing selected characteristics of developed land
- Phosphorus and projected population increases
- Reductions from agricultural best practices
- Reductions from wetland mitigation
- Constructing a SWAT model of the Sunrise River Watershed
Goose Creek Watershed TMDL
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(EPA approval 2/5/2016)
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(MPCA approval 1/7/2016)