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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. -
Office of Water Linked Data
The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be accomplished by... -
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... -
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. -
National Listing of Fish Advisories
The National Listing of Fish Advisories (NLFA) is an online database that includes available information describing state-, tribal-, and federally-issued fish consumption... -
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 EPA-... -
Wetland Program Development Grants (WPDGs)
The Wetland Grant Database (WGD) houses grant data for Wetland Program Development Grants (created by EPA in 1990 under the Clean Water Act Section 104(b)(3) authority). The... -
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... -
WIFIA Vault
The Water Infrastructure Finance and Innovation Act of 2014 (WIFIA) established a federal credit program administered by EPA. WIFIA authorizes EPA to provide loans to eligible... -
Wetland Program Pilot Grants
The Wetland Grant Database (WGD) houses grant data for Wetland Program Development Grants (created by EPA in 1990 under the Clean Water Act Section 104(b)(3) authority). The... -
Information Collection Rule Federal Database
The Information Collection Rule (ICR) Federal database includes research data from an 18-month study of disinfection byproducts and microbial contaminants. -
Wetland Program Development Grants (WPDGs) Case Studies
The Wetland Grant Database (WGD) houses grant data for Wetland Program Development Grants (created by EPA in 1990 under the Clean Water Act Section 104(b)(3) authority). The... -
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...
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