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Watershed Achievements Report

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Minnesota Red River Basin River Basin <strong>Watershed</strong> <strong>Achievements</strong> <strong>Report</strong> 2015<br />

Red River Basin<br />

Projects awarded in 2015<br />

Bois de Sioux River <strong>Watershed</strong><br />

Red River Basin Reservoir Nutrient Load Reduction –<br />

2014<br />

Sponsor: RRBC<br />

Funding: Section 319 (Grant) $289,998<br />

Purpose: Determine if vegetated flood storage reservoirs<br />

(current and future) can provide a 50 percent reduction<br />

in nutrient loading to selected tributaries that feed the<br />

Red River. This project will explore the use of floodwater<br />

impoundment structure for nutrient reduction by<br />

redesigning the cell management to reroute the stream<br />

flow through vegetated treatment cells. It is expected<br />

that the treatment cells will capture and hold nutrients<br />

both in sediment and in the vegetation (i.e., cattails);<br />

however, the nature of nutrient movement and storage<br />

is dynamic. This project will attempt to clearly define<br />

nutrient flux in the contributing watershed and both<br />

inside and outside of the Impoundment’s cells. This<br />

project will serve as a test pilot to aid with future nutrient<br />

control BMP design.<br />

Minnesota Pollution Control Agency www.pca.state.mn.us 98

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