1325-012 Lake Miami Watershed Final Report

(2017) 1325-012 Lake Miami Watershed Final Report. Agriculture and Land Stewardship

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Abstract

This project will improve the water quality in the 122-acre Lake Miami. Lake Miami is located on Miami Wildlife Area which is owned by the Iowa DNR and cooperatively managed by the Iowa DNR and Monroe County Conservation Board. The lake is a significant publically owned lake and vital recreational resource in Monroe County. As the water quality and fishing deteriorated over the years, there were significant decreases in the recreational uses and associated economic return to the region. The primary pollutant in the lake is sediment and associated phosphorus from non-point sources. Current sediment delivery is 3,325 tons/year and current phosphorus delivery is 4,655 pounds/year. The watershed assessment determined that 73% of the current pollutant loading is originating from DNR land. Therefore, this project will focus efforts on installing BMPs on DNR land to reduce sediment delivery by 1,495 tons/year (45% decrease) and phosphorus delivery by 1,261 pounds/year (27% decrease). Achieving these goals will also meet 68% of the required reduction to meet the established TMDL limits. This will be accomplished by installing grade stabilization structures and shoreline armor in priority areas. Furthermore, this project will be done simultaneously with Iowa DNR's lake renovation efforts which will make this the ideal time to implement this project and restore a healthy fishery population.

Item Type: Departmental Report
Keywords: Watershed Improvement Review Board, WIRB, water quality, watershed, Monroe County Conservation Board, Monroe County
Subjects: Natural resources and environment
Natural resources and environment > Water resources
Natural resources and environment > Water resources > Water quality
Natural resources and environment > Water resources > Watersheds
ID Code: 24287
Deposited By: Jerome Neppel
Deposited On: 16 Nov 2017 13:25
Last Modified: 16 Nov 2017 13:25
URI: http://publications.iowa.gov/id/eprint/24287