Watershed Achievements Report
wq-cwp8-18
wq-cwp8-18
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Minnesota <strong>Watershed</strong> Red River Basin River <strong>Achievements</strong> Basin <strong>Report</strong> 2008<br />
<strong>Watershed</strong> <strong>Achievements</strong> <strong>Report</strong> Statewide<br />
2015<br />
Snake River <strong>Watershed</strong><br />
Grand Marais and Snake River<br />
<strong>Watershed</strong>s HSPF Modeling – July 2014<br />
In an effort to expedite the completion of TMDL<br />
projects, the MPCA has decided to construct watershed<br />
models. These models have the potential to support the<br />
simultaneous development of TMDL studies for multiple<br />
listings within a cataloging unit or 8-digit HUC watershed.<br />
In most cases, the MPCA will develop HSPF models.<br />
Goals<br />
The goal of this project is to continue and finalize<br />
watershed models using HSPF for the Grand Marais<br />
Creek and Snake River <strong>Watershed</strong>s and complete<br />
the calibration/validation process. The contractor is<br />
verified and updated the representation of point source<br />
discharges in the models. Where needed, the contractor<br />
will compile flow and water quality data for the purposes<br />
of calibration and validation. The contractor will produce<br />
HSPF watershed models that can readily be used to<br />
provide information to support conventional parameter<br />
TMDLs. The contractor will clearly demonstrate that<br />
the models generate predicted output time series<br />
for hydrology, sediment, nutrients, and DO that are<br />
consistent with available sets of observed data. The<br />
contractor will deliver all modeling files and a final report<br />
documenting model development, calibration and<br />
validation, and supporting statistics.<br />
Results that count<br />
• The contractor provided the hydrologic model<br />
with simulated flow results and a discussion on the<br />
hydrologic calibration approach. The contractor<br />
submitted for approval a preliminary section of the final<br />
report explaining the hydrology calibration, validation,<br />
and water balance, including organized calibration<br />
statistics and a narrative discussion.<br />
• The contractor provided a description of watershed<br />
sediment sources and processes, and associated model<br />
representation, which will be included in the final<br />
report.<br />
Financial information<br />
Funding type: Section 319<br />
Grant amount: $55,000<br />
Matching funds: $100,000<br />
Contact information<br />
Mike Vavricka, Hydrologist 2<br />
MPCA Detroit Lakes Regional Office<br />
714 Lake Avenue<br />
Detroit Lakes, MN 56501<br />
218-846-8137<br />
michael.vavricka@state.mn.us<br />
MPCA Project Manager: Mike Vavricka<br />
Minnesota Pollution Control Agency www.pca.state.mn.us 97
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