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Best Management Practices (BMP) and Treatment Technologies Clearinghouse
Sources of nitrogen and phosphorus are controlled using best management practices for non-point sources and treatment technologies for point sources. EPA has collected information about BMPs and treatment for use by states in determining how nitrogen and phosphorus can be controlled.
EPA Data
- Agricultural Best Management Practice Effectiveness Database (Beta version)—Data from 120 BMPs of field tested agricultural sites, structural and operational practices, cost and effective pollutant controls.
. To access this database, please contact Katie Flahive (flahive.katie@epa.gov), 202-566-1206 for a password. - Biological nutrient removal (PDF) (15 pages, 748K, About PDF)—Information on eight BNR processes from 66 facilities designed to lower Total Nitrogen and Total Phosphorus.
- Advanced Wastewater Treatment to Achieve Low Concentration of Phosphorus—Information on 15 filtration technologies installed at 23 municipalities in the U.S.
- Urban Stormwater BMP Performance Tool—Provides stormwater professionals with easy access to approximately 220 studies assessing the performance of over 275 BMPs.
External Data
- Water Environment Resource Foundation (WERF) Stormwater BMP Database Search—Performance data and percent effectiveness reduction for over seven types of BMPs (over 100 BMPs total)