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
Lake St. Croix excess nutrients TMDL: Fact sheet (wq-iw6-04a)- Lake St. Croix excess nutrients TMDL report (wq-iw6-04e) (EPA approval 8/8/2012)
- Lake St Croix excess nutrients TMDL: EPA approval letter (wq-iw6-04g)
- 2019 Modification to Lake St. Croix Nutrient TMDL (wq-iw6-04z)
- Lake St. Croix excess nutrients TMDL implementation plan (wq-iw6-04c)
- Lake St. Croix TMDL: 2015 implementation progress report (wq-iw6-04x)
- Lake St. Croix TMDL: 2016 implementation progress report (wq-iw6-04y)
Chisago County
Chisago Lakes Lake Improvement District TMDL: Nutrients/eutrophication
- Chisago Lakes Lake Improvement District TMDL: Final report (wq-iw6-10e) (EPA approval 2/20/2013)
- Chisago Lakes Lake Improvement District TMDL: EPA approval letter (wq-iw6-10g)
- Chisago Lakes Lake Improvement District TMDL: Restoration and protection plan (wq-iw6-10c) (MPCA approval 2/25/2013)
Comfort Lake-Forest Lake Watershed District TDML: Excess nutrients
- Comfort Lake - Forest Lake Watershed District TMDL: Fact sheet (wq-iw6-03a)
- Comfort Lake-Forest Lake Watershed District TMDL report (wq-iw6-03e) (EPA approval 6/7/2010)
- Comfort Lake-Forest Lake Watershed District TMDL: EPA approval letter (wq-iw6-03g)
- Comfort Lake-Forest Lake Watershed District TMDL implementation plan (wq-iw6-03c) (MPCA approval 6/11/2010)
Washington County
Valley Branch Watershed District TMDL and WRAPS
- Valley Branch Watershed District WRAPS: Summary (wq-iw6-12k)
- Valley Branch Watershed District Kelle's Creek and Sunfish Lake TMDL report (wq-iw6-12e) (EPA approval 7/7/2016)
- Valley Branch Watershed District Kelle's Creek and Sunfish Lake TMDL: EPA approval letter (wq-iw6-12g)
- Valley Branch Watershed District WRAPS report (wq-ws4-16a) (MPCA approval 3/8/2016)
Carnelian-Marine-St. Croix Watershed District 10 lakes TMDL: Excess nutrients
- Carnelian-Marine-St. Croix Watershed District 10 lakes TMDL report (wq-iw6-09e) (EPA approval 9/18/2012)
- Carnelian-Marine-St. Croix Watershed District 10 lakes TMDL: EPA approval letter (wq-iw6-09g)
- Carnelian-Marine-St. Croix Watershed District 10 lakes TMDL implementation plan (wq-iw6-09c) (MPCA approval 8/30/2013)
Browns Creek TMDL: Lack of cold water assemblage and impaired biota
- Brown’s Creek impaired biota TMDL: Fact sheet (wq-iw6-05a)
- Brown's Creek impaired biota TMDL report (wq-iw6-05e) (EPA approval 12/21/2010)
- Brown's Creek impaired biota TMDL: EPA approval letter (wq-iw6-05g)
- Brown's Creek impaired biota TMDL implementation plan (wq-iw6-05c) (MPCA approval 2/16/2012)
Anoka County
Typo and Martin lakes TMDL: Excess nutrients
- Typo Lake and Martin Lake TMDL report (wq-iw6-08e) (EPA approval 6/20/2012)
- Typo Lake and Martin Lake TMDL: EPA approval letter (wq-iw6-08g)
- Martin and Typo Lakes TMDL Implementation Plan (wq-iw6-08c) (MPCA approval 8/8/2012)
Multiple counties
Sunrise River TMDL: Fecal coliform
- Sunrise River fecal coliform TMDL: Fact sheet (wq-iw6-01a)
- Sunrise River fecal coliform TMDL report (wq-iw6-01e) (EPA approval 2/22/2007)
- Sunrise River fecal coliform TMDL: EPA approval letter (wq-iw6-01g)
- Sunrise River fecal coliform TMDL implementation plan (wq-iw6-01c) (MPCA approval 2/22/2007)
Sunrise River Watershed TMDL: Multiple impairments
- Sunrise River Watershed TMDL report (wq-iw6-06e) (EPA approval 4/28/2014)
- Sunrise River Watershed TMDL: EPA approval letter (wq-iw6-06g)
- Sunrise River Watershed WRAPS report (wq-ws4-05a) (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
- Construction a SWAT model of the Sunrise River Watershed
Goose Creek Watershed TMDL
- Goose Creek Watershed TMDL report (wq-iw6-13e) (EPA approval 2/5/2016)
- Goose Creek Watershed TMDL: EPA approval letter (wq-iw6-13g)
- Goose Creek Watershed WRAPS report (wq-ws4-15b) (MPCA approval 1/7/2016)