Datasets

• Data on Aquatic Resources Tracking for Effective Regulation

  DARTER is EPA's system to manage its workflow in the Clean Water Act Section 404 permit program. Section 404 requires a permit from the U.S. Army Corps of Engineers, or...

• National Estuary Program Map

  Annually, the National Estuary Programs (NEPs) are required to report their habitat and leveraging data to EPA. The NEP Map provides a public map view of the habitat projects...

• Water Contaminant Information Tool

  The Water Contaminant Information Tool (WCIT) is a secure, on-line database that provides current, reliable information on chemical, biological, and radiological contaminants of...

• 2016 EPA Pesticide General Permit (PGP)

  The 2016 EPA Pesticide General Permit (PGP) covers discharges of biological pesticides, and chemical pesticides that leave a residue, in areas where EPA is the NPDES permitting...

• Reusable Component Services

  The Reusable Component Services (RCS) is a super-catalog of components, services, solutions and technologies that facilitates search, discovery and collaboration in order to...

• National Assessment Database

  The National Assessment Database stores and tracks state water quality assessment decisions, Total Maximum Daily Loads (TMDLs) and other watershed plans designed to restore...

• Beach Advisory and Closing Online Notification (BEACON) system

  Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is the...

• Drinking Water Treatability Database (TDB)

  The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities, first...

• Drinking Water Maximum Contaminant Levels (MCLs)

  National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public...

• Safe Drinking Water Information System (SDWIS)

  The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.

• Clean Watersheds Needs Survey (CWNS) 2008 Report to Congress

  The Environmental Protection Agency's CWNS is required by Sections 205(a) and 516(b)(1) of the CWA. The CWNS is a summary of the estimated capital costs for water quality...

• Reach Address Database (RAD)

  The Reach Address Database (RAD) stores the reach address of each Water Program feature that has been linked to the underlying surface water features (streams, lakes, etc) in...

• National Recommended Water Quality Criteria

  The National Recommended Water Quality Criteria is a compilation of national recommended water quality criteria for the protection of aquatic life and human health in surface...

• National Nutrient Database

  The National Nutrient Criteria Database allows users to derive ecoregion- and waterbody-specific numeric nutrient criteria ranges.

• National Listing of Fish and Wildlife Advisories (NLFA)

  The National Listing of Fish and Wildlife Advisories (NLFA) includes all available information describing state-, tribal-, and federally-issued fish consumption advisories in...

• Watershed Assessment, Tracking & Environmental ResultS (WATERS)

  The Watershed Assessment, Tracking & Environmental Results (WATERS) is an integrated information system for the nation's surface waters connecting Office of Water databases...

• Safe Drinking Water Information System - State System (SDWIS/State)

  SDWIS/State is a data system that EPA is developing for states that will improve the quality of drinking water information.

• Grants Reporting and Tracking System (GRTS)

  The Grants Reporting and Tracking System (GRTS) is the primary tool for management and oversight of EPA's Nonpoint Source (NPS) Pollution Control Program. GRTS pulls grant...

• National Contaminant Occurrence Database (NCOD)

  NCOD is a repository of drinking water quality data to be made available to EPA decision makers and the public.

• Water Quality Stressor Information from Clean Water Act Statewide Statistical Surveys

  Stressors assessed by statewide statistical surveys and their state and national attainment categories. Statewide statistical surveys are water quality assessments designed to...