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...... CD <.::) 0) III Reelfoot Lake, Tennessee/Kentucky: In 1974, 850,000 visitors came to enjoy the fishing, boating and waterfowl hunting offered by this lake, a creation of the N~w Madrid earthquake of 1811. Sediment and nutrients from cropland hav:e caused a severe eutrophication problem, impairing all recreational uses! of the lake, but effective interagency and interstate cooperation has Il!ld to a high level of problem awareness and BMP im' plementation in this 154,OOO-acre watershed. EPA Region V III Iilghland Sliver; Lab; illinois: This public water supply for 8,500 resi- dents also servesfas a recrElational lake, but both uses are impaired by high turbidity levelS; sedimentation, and eutrophication caused largely by runoff from cropland and animal operations. The project has documented. that traditional soili erosion BMPs may reduce total sediment loading to the lake, althougH they may not significantly reduce in-lake turbidity produced by natricsoils. III Garvin Brook, Minnesota: The ground-water supply for nearly 2,500 people is contaminated by nitrates and pesticides, and the stream used for recreation by allout 25,000 people is affected by bacteria and sedi- ment in this karst (itregular limestone formations) region. Originally a sur- face water project; this effort was expanded to address ground-water problems after analyses showed that nitrate levels exceeded the drinking water standard in allout 20 percent of the 80 wells sampled. Distinct criti- cal areas were developed for addressing the surface and subsurface water quality problems. 15 Scouting insects and Insect damage allows farmers to match p~tlcide use to need through Integrated Pest Management. ; --:j :1 '~ :i , .,1 ,"J ,~ 1 ^~ '" , ,,! f J !I 1