EPA's redesigned nutrients web site now houses new information and tools that will help states, territories, and tribes establish and meet numeric water quality criteria for nitrogen and phosphorus. The new tools include: Scientific Literature Reviews, Wetlands Criteria Technical Guidance, Webcasts, and the BMP and Treatment Technologies Clearinghouse. The clearinghouse contains EPA-evaluated data sets on (1) agricultural best management practices (BMPs) and conservation practices, (2) National Pollutant Discharge Elimination System (NPDES) stormwater BMPs, (3) Publicly Owned Treatment Works (POTW) treatment technologies, and (4) Water Environment Research Federation (WERF) stormwater data.
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