EPA's Storm Water Management Model (SWMM) is used throughout the world for planning, analysis, and design related to stormwater runoff, combined and sanitary sewers, and other drainage systems.

Please Note: The main sources of information for this fact sheet are EPA's Integrated Risk Information System (IRIS) (7), which contains information on inhalation chronic toxicity and the RfC and oral …

What are EPA’s recommended criteria for nutrients? Nutrient concentrations are highly variable in waterbodies across the U.S. To interpret monitoring data, it is helpful to be familiar with typical …

Sep 15, 2025 · Software that models the hydraulic and water quality behavior of water distribution piping systems.

Nov 17, 2025 · Provides Mailing Addresses & Phone Numbers for the EPA, including: HQ standard postal mailing & overnight delivery addresses, Regional addresses, and other major locations

May 14, 2025 · EPA will continue to offer free water technical assistance (WaterTA) that provides services to water systems to improve their drinking water and help communities access available …

Nov 21, 2025 · Understanding, managing and applying for EPA grants. Find grant application forms, grant information, helpful hints, and guidance for EPA funding opportunities.

Feb 4, 2025 · Contact Information EPA Press Office ([email protected]) WASHINGTON – On February 4, 2025, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the …

Nov 20, 2025 · EPA regulates pesticides under broad authority granted in two major statutes, the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and Food Quality Protection Act, of …

Nov 25, 2025 · A searchable table of currently available Civil Cases and Settlements, including respondents, descriptions, associated order types, dates, statutes, and links (where applicable).