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Document ID us-ppsni-2025-09-30 Title Per- and Polyfluoroalkyl Substances (PFAS) NPDWR Implementation URL https://www.epa.gov/dwreginfo/pfas-rule-implementation Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:21:01.515260+00:00 Relevance inventory_targeted_fetch
10 Qualitative 0 Quantitative 41 Definitions

Q Qualitative Requirements (10)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeunknownguidanceUse of Primacy Revision Extension Templatesdrinking waterEPA released new templates that can be used by primacy agencies that intend to submit primacy revision extension requests for the PFAS NPDWR.When a primacy agency intends to submit a primacy revision extension requesthigh
#Q002reportingreportingguidanceUtilization of UCMR 5 Datadrinking waterEPA released reprocessed small systems (those serving 10,000 or fewer people) UCMR 5 data on August 22, 2025, which can be utilized for the PFAS NPDWR.Applies to small systems serving 10,000 or fewer peoplehigh
#Q003monitoringoperationalguidanceApproved Analytical Method for Initial Monitoringdrinking waterUpdated to include EPA method 537.1, version 1.0 as an approved analytical method during the initial monitoring period only.During the initial monitoring period onlyhigh
#Q004monitoringoperationalguidanceAlternative Test Procedure for Initial Monitoringdrinking waterEPA published a final rule, on January 16, 2025, to allow the use of EPA method 537.1, version 1.0 in satisfying the initial monitoring requirements.When satisfying the initial monitoring requirementshigh
#Q005administrativeunknownrecommendedPrimacy Application Extension Requestdrinking waterGiven EPA’s announcement on May 14, 2025, that it intends to update the PFAS NPDWR, EPA encourages states, territories, and Tribes seeking primacy for implementing the PFAS NPDWR to request additional time from EPA to develop their applications.For states, territories, and Tribes seeking primacy for implementing the PFAS NPDWRhigh
#Q006prohibitionoperationalmandatoryNo Discharge of Process WastewaterwastewaterDirect dischargers: No discharge of process wastewaterApplies to direct dischargers in Furnace, Thermal, Channel, and Lamp Process subcategorieshigh
#Q007treatmentoperationalmandatoryOil and Grease Effluent LimitationwastewaterIndirect dischargers: Oil and greaseApplies to indirect dischargers in Furnace, Thermal, Channel, and Lamp Process subcategorieshigh
#Q008administrativereportingmandatoryNPDES Permit Incorporation for Direct DischargerswastewaterThe Cement Manufacturing Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers.Applies to direct dischargers of pollutants to waters of the United Stateshigh
#Q009administrativereportingmandatoryControl Mechanism Incorporation for Indirect DischargerswastewaterThe Cement Manufacturing Effluent Guidelines and Standards are incorporated into... permits or other control mechanisms for indirect dischargers (see Pretreatment Program).Applies to facilities that discharge pollutants to a publicly owned treatment works (municipal sewage treatment plant)high
#Q010administrativeunknownguidanceVerification of Regulatory CoveragewastewaterFor precise definitions of coverage, see the applicability sections in 40 CFR Part 411.When defining the coverage and applicability of the Cement Manufacturing categoryhigh

P Quantitative Requirements (0)

No quantitative requirements.

D Definitions (41)

Req ID Category Name Context Confidence
#D001NPDESNational Pollutant Discharge Elimination Systemhigh
#D002NAICSNorth American Industrial Classification Systemhigh
#D003TSStotal suspended solidshigh
#D004BMPsbest management practiceshigh
#D005BPTBest Practicable Technologyhigh
#D006BATBest Available Technologyhigh
#D007NSPSNew Source Performance Standardshigh
#D008BCTBest Conventional Technologyhigh
#D009PSESPretreatment Standards for Existing Sourceshigh
#D010Coal reminingCoal remining occurs on mine lands and coal refuse piles that have been previously mined.high
#D011Coal preparation plantsCoal preparation plants remove waste material from coal by washing and concentrating.high
#D012directA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.high
#D013indirectA facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).high
#D014BOD5biochemical oxygen demandhigh
#D015TSStotal suspended solidshigh
#D016BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D017BATBest Available Technology Economically Achievablehigh
#D018PSESPretreatment Standards for Existing Sourceshigh
#D019PSNSPretreatment Standards for New Sourceshigh
#D020NSPSNew Source Performance Standardshigh
#D021NPDESNational Pollutant Discharge Elimination Systemhigh
#D022Dairy productsmanufactured with milk or milk by-products, including whey and buttermilk, as the sole or principal raw material.high
#D023PSNSPretreatment Standards for New Sourceshigh
#D024BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D025BATBest Available Technology Economically Achievablehigh
#D026PSESPretreatment Standards for Existing Sourceshigh
#D027NPDESNational Pollutant Discharge Elimination Systemhigh
#D028NAICSNorth American Industrial Classification Systemhigh
#D029BOD5biochemical oxygen demandhigh
#D030TSStotal suspended solidshigh
#D031BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D032BATBest Available Technology Economically Achievablehigh
#D033NPDESNational Pollutant Discharge Elimination Systemhigh
#D034NAICSNorth American Industrial Classification Systemhigh
#D035BOD5biochemical oxygen demandhigh
#D036TSStotal suspended solidshigh
#D037PSESPretreatment Standards for Existing Sourceshigh
#D038BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D039BATBest Available Technology Economically Achievablehigh
#D040NSPSNew Source Performance Standardshigh
#D041PSNSPretreatment Standards for New Sourceshigh