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Unregulated Contaminant Monitoring Rule 2 (UCMR 2), (2008-2010) Occurrence Data
The Unregulated Contaminant Monitoring Rule supporting the second cycle (UCMR 2) of monitoring, conducted under EPA oversight, was published in the Federal Register on January... -
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... -
SDWISFED Drinking Water Data
SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 160,000 public water systems and violations of... -
Multi Region Underground Injection Control Application (iWells)
READ entry 91537: iWells stores inventory, inspection, permit, and compliance data for tens of thousands of underground injection wells in USEPA direct implementation areas... -
Civil Penalty Policies
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) website provides customizable and downloadable information about environmental... -
Contaminant Candidate List 1
CCL 1 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or anticipated to occur... -
Six-Year Review Contaminant Occurrence Data
The Safe Drinking Water Act (SDWA) requires EPA to review each National Primary Drinking Water Regulation (NPDWR) at least once every six years and revise them, if appropriate....