20240913 14030600 1.0 TRUE Section 303(d) of the Clean Water Act requires states to identify all waters that are not meeting their water quality standards and are impaired. For these impaired waters, the state must develop Total Maximum Daily Loads (TMDLs) which represent the maximum amount of a pollutant that can enter a water body so that the water body will meet and continue to meet state water quality standards. TMDLs include pollutant loadings from both point sources and non-point sources and also include a margin of safety. TMDLs serve as planning tools for developing specific controls needed to meet water quality standards. This service contains waterbodies with completed TMDLs and Impaired Waters, both linear and polygonal, from the 2024 Active 303d list. For more information visit the <a href='https://www.mdeq.ms.gov/water/surface-water/tmdl/'>303(d) / TMDL Page on the MDEQ Website</a> <img src='https://opcgis.deq.state.ms.us/metadata/MS_303d_2024/Cover2024MS303d.png'/> <a href='https://opcgis.deq.state.ms.us/metadata/MS_303d_2024/Adopted-2024-303d-List-of-Impaired-Water-Bodies.pdf'>Link to 2024 303d Report</a> <a href='https://opcgis.deq.state.ms.us/metadata/MS_303d_2024/MS2024_303dReport_GISdata.zip'>Data Download MS2024 303d/TMDL Complete</a> The Mississippi Department of Environmental Quality makes no warranties, expressed or implied, as to the accuracy, completeness, currentness, reliability, or suitability for any particular purpose of the data contained here in. MS303d Impaired Water Clean Water Act Section 303d Mississippi 2024 Sec 303(d) list of Impaired Waters and TMDL Complete MDEQ, The Geospatial Group, JALLEY, DCOOK, STRIGG MS2024ImpairedWaters 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