On April 15, 2019 the USEPA issued an “Interpretive Statement” which provides EPA’s interpretation of the Clean Water Act (CWA) National Pollutant Discharge Elimination System (NPDES) permit program’s applicability to releases of pollutants from a point source to groundwater that subsequently migrate or may be conveyed by groundwater to jurisdictional surface waters. In general, the USEPA concluded in this “Interpretive Statement” that discharges to groundwater are excluded from NPDES program coverage under Section 301 of the CWA regardless of a hydrologic connection between the groundwater and a jurisdictional surface water. For addition information see https://www.epa.gov/npdes/releases-point-source-groundwater
WET (Whole Effluent Toxicity) Testing Failures
Is your facility having issues passing whole effluent toxicity (WET) tests? WHEE, Inc. has successfully provided services to various facilities across the US in identifying the cause(s) of toxicity and operational and/or treatment changes to eliminate toxicity.