Watershed Achievements Report

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Lake Superior Basin Watershed Achievements Report 2015 Lake Superior Basin Lake Superior Basin Projects completed St. Louis River Watershed HSPF Active Groundwater Refinement Lake Superior (North) St. Louis River Cloquet River Lake Superior (South) ! ! Nemadji River Minnesota Legend ! Approved Lake TMDL ! ! ! ! ! ! ´ 0 15 30 Miles Approved Stream TMDL County Boundary Major Watershed Basin Boundary Watershed Projects New New and Active Active Completed ! ! ! ! ! ! ! ! ! ! ! Minnesota Pollution Control Agency www.pca.state.mn.us 54
Lake Superior Basin Watershed Achievements Report 2015 St. Louis River Watershed HSPF Active Groundwater Refinement The goal of the St. Louis Watershed was to develop a more detailed understanding of the impacts of mining and mine processing operations on the surface water hydrology of streams in the St. Louis River portion of the Minnesota Iron Range. This required a better understanding of the details of the water balance and water management at Iron Range taconite mining and processing operations, including the interactions of surface and ground water. This work effort increased our understanding of these interactions in concert with the development of watershed and surface water models of hydrology and water quality in the St. Louis watershed and resulted in the development and calibration of a steady state groundwater flow model for a portion of the Mesabi Iron Range. Goals • The contractor will compile available existing data on mining practices in part of the Iron Range • The contractor will construct a steady state groundwater flow model to be used to constrain the watershed model • The contractor will summarize and communicate the results Results that count • The contractor submitted a database of compiled and evaluated mining related data • The contractor submitted a calibrated groundwater flow (GFLOW) model for the Iron Range portion of interest • The contractors submitted reports and a presentation and communicated results at a stakeholders meeting Financial information Funding type: Section 319 Grant amount: $108,626 Contact information Jennifer Olson, Project Manager MPCA Tetra Tech P.O. Box 61 Stillwater, MN 55082 651-342-2245, Jennifer.Olson@tetratech.com MPCA Project Manager: Chuck Regan Open pit iron mine in the St. Louis watershed of northeastern Minnesota Minnesota Pollution Control Agency www.pca.state.mn.us 55
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Watershed Achievements Report 2015
Page 3 and 4: a Success Story . . . Lake Shaokata
Page 5 and 6: Cedar River Watershed and Shell Roc
Page 7 and 8: Introduction Watershed Achievements
Page 9 and 10: Section 319 Section 319 Grant progr
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Minnesota Watershed Red St. Croix R
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Watershed Achievements Report

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