Management options for controlling nonpoint source pollution in Henry County, Georgia
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Water quality in much of Georgia is threatened by nonpoint source pollution due to urban development and increased stormwater runoff. Recent watershed modeling for seven watersheds in Henry County, Georgia has projected increases in nutrient loads caused by nonpoint sources. The GWLF model was used to explore management strategies that may mitigate these increases. Projected increases in TN and TP loads from nonpoint sources in Henry County’s jurisdictional areas are expected to increase by 48% and 3%, respectively, over the next 20 years. Two out of four management options considered were capable of reducing future TP loads to existing levels, but none were predicted to reduce TN to existing levels.