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Document ID us-drware-2026-02-24 Title Drinking Water Regulations URL https://www.epa.gov/dwreginfo/drinking-water-regulations Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:21:16.120644+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (17)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001monitoringoperationalmandatoryWater-testing schedules and methods compliancedrinking waterEPA rules also set water-testing schedules and methods that water systems must follow.high
#Q002administrativeoperationalmandatoryState Primacy Drinking Water Standards Stringencydrinking waterThe Safe Drinking Water Act (SDWA) gives individual states the opportunity to set and enforce their own drinking water standards if the standards are at a minimum as stringent as EPA's national standards.Applies if individual states choose to set and enforce their own drinking water standards.high
#Q003administrativeoperationalmandatoryEPA Review of Unregulated Contaminantsdrinking waterEvery five years EPA reviews the list of contaminants, largely based on the Contaminant Candidate List.Every five yearshigh
#Q004administrativeoperationalmandatoryRisk and Resilience Assessments and Emergency Response Plans (Initial)drinking waterAWIA section 2013 requires community (drinking) water systems (CWSs) serving more than 3,300 people to develop, or update, risk and resilience assessments (RRAs) and emergency response plans (ERPs) and to certify them to EPA by deadlines specified in the law.Applies to community (drinking) water systems (CWSs) serving more than 3,300 peoplehigh
#Q005administrativeoperationalmandatoryRRA and ERP 5-Year Recertificationdrinking waterThe law also requires that CWSs review, revise as needed, and recertify their RRA and ERP to EPA every five years.Applies to community (drinking) water systems (CWSs) serving more than 3,300 people; required every five yearshigh
#Q006reportingoperationalmandatoryPrompt Notification of EPCRA Releasesdrinking waterThe new amendments require that: 1) CWSs receive prompt notification of releases that are reportable under EPCRA, section 304Releases that are reportable under EPCRA, section 304high
#Q007administrativeoperationalmandatoryAccess to EPCRA Hazardous Chemical Inventory Datadrinking waterThe new amendments require that: ... 2) CWSs are given access to hazardous chemical inventory data that is reported under EPCRA, section 312.Data reported under EPCRA, section 312high
#Q008administrativeoperationalmandatoryEffluent Guidelines Incorporation in PermitswastewaterThe Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (refer to Pretreatment Program).Applies to all direct and indirect dischargers covered under the Aluminum Forming Effluent Guidelines.high
#Q009operationaltreatmentmandatoryIntegrated Casting Compliance (No Cooling)wastewaterCasting done at a plant which manufactures aluminum and also does aluminum forming is subject to the casting limitations for the aluminum manufacturing subcategories of the Nonferrous Metals Manufacturing Category (40 CFR Part 421), if there is no cooling of the aluminum prior to casting.Facility both manufactures and forms aluminum; no cooling prior to casting.high
#Q010operationaltreatmentmandatoryRemelted Primary Aluminum Casting CompliancewastewaterIf the aluminum is a remelted primary aluminum product and is cast at a facility for subsequent forming of aluminum, then the casting of remelted aluminum is subject to the Aluminum Forming Category limitations.Aluminum is a remelted primary product cast for subsequent forming.high
#Q011operationaltreatmentmandatoryOther Aluminum Casting CompliancewastewaterOther aluminum casting operations are subject to the Metal Molding and Casting (Foundries) Category (40 CFR Part 464).Casting operations not meeting integrated manufacturing or remelted primary criteria.high
#Q012administrativeoperationalmandatorySurface Treatment Category AssignmentwastewaterAll surface treatment of aluminum is considered to be an integral part of Aluminum Forming whenever it is performed at the same plant site at which aluminum is formed, and such operations are not considered for regulation under the Electroplating (40 CFR Part 413) or Metal Finishing (40 CFR Part 433) categories.Surface treatment performed at the same site as aluminum forming.high
#Q013administrativeoperationalmandatoryUniversal Regulatory Applicability Clarificationwastewaterall facilities that meet the description of the first paragraph, regardless of their size or how they form the aluminum, are covered by this regulation.Applies regardless of facility size or aluminum forming methodhigh
#Q014administrativereportingmandatoryNational Contaminant Occurrence Database Maintenancedrinking waterSome of the datasets in this clearinghouse help fulfill the EPA's requirement under the Safe Drinking Water Act to assemble and maintain a National Contaminant Occurrence Database.high
#Q015administrativeoperationalmandatoryCommunity Water System RRA and ERP Certificationdrinking waterUsers can access community water system compliance data for requirements to certify the Risk and Resilience Assessment (RRA) and Emergency Response Plan (ERP) under section 1433 of the Safe Drinking Water Act (SDWA), which was amended by section 2013 of America's Water Infrastructure Act (AWIA).high
#Q016administrativereportingmandatoryWebsite Feedback Rating RequirementotherHow would you rate your experience on www.epa.gov today? *When submitting the website feedback formhigh
#Q017administrativereportingmandatoryWebsite Feedback Explanation RequirementotherPlease explain the reason for your rating. *When submitting the website feedback formhigh

P Quantitative Requirements (3)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001operationalreportingmandatoryCommunity water systems population threshold for AWIA Section 2013drinking waterrequirement> 3300 peopleAWIA section 2013 requires community (drinking) water systems (CWSs) serving more than 3,300 people to develop, or update, risk and resilience assessments (RRAs) and emergency response plans (ERPs) and to certify them to EPAApplicable to community drinking water systemshigh
#P002operationaloperationalmandatorySmall extrusion facility production thresholdwastewaterrequirement< 3000000 pounds of product per yearDefinition of small extrusion facilities under the applicability statementIndirect discharging facilitieshigh
#P003operationaloperationalmandatorySmall drawing with emulsions or soaps facility production thresholdwastewaterrequirement< 1000000 pounds per yearDefinition of small drawing facilities with emulsions or soapsIndirect discharging facilitieshigh

D Definitions (50)

Req ID Category Name Context Confidence
#D001SDWISSafe Drinking Water Information Systemhigh
#D002RRARisk and Resilience Assessmenthigh
#D003ERPEmergency Response Planhigh
#D004SDWASafe Drinking Water Acthigh
#D005AWIAAmerica's Water Infrastructure Acthigh
#D006USTunderground storage tankhigh
#D007directA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.high
#D008indirectA facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant).high
#D009copper alloysany alloy in which copper is the major constituent.high
#D010Platea wide rigid piece of metal usually greater than ¼ inch thick.high
#D011Sheeta wide piece of metal having little rigidity and usually less than ¼ inch thick.high
#D012stripthe length is many times the width and the product is commonly handled as coils of metal called coiled strip.high
#D013Wireusually circular in cross section and is flexible.high
#D014cableWire that is twisted or woven into strands, used for lifting or in structural supports.high
#D015Rodsimilar to wire in that it has a circular cross section but is more rigid.high
#D016Tubingmaterial in the form of long hollow cylinders.high
#D017Forgingsformed from copper, usually hot, by individual and intermittent applications of pressure.high
#D018beryllium copper alloysany copper alloy that is alloyed to contain 0.10 percent or greater berylliumhigh
#D019precious metalsany alloy containing 30 or greater percent by weight of precious metalshigh
#D020NAICSNorth American Industrial Classification Systemhigh
#D021POTWspublicly owned treatment workshigh
#D022TTOTotal Toxic Organicshigh
#D023publicly owned treatment worksA treatment works, as defined by Section 212 of the CWA, that is owned by the state or municipality. This definition includes any devices and systems used in the storage, treatment, recycling, and reclamation of municipal sewage or industrial wastes of a liquid nature. It also includes sewers, pipes, and other conveyances only if they convey wastewater to a POTW treatment plant [40 CFR 403.3].high
#D024NPDESNational Pollutant Discharge Elimination Systemhigh
#D025ICISIntegrated Compliance Information Systemhigh
#D026PCSPermit Compliance Systemhigh
#D027DMRDischarge Monitoring Reporthigh
#D028Discharge Monitoring Report (DMR) Pollutant Loading Tooldesigned to help you determine who is discharging, what pollutants they are discharging and how much, and where they are discharging.high
#D029Compliance Assistance CentersWebsites targeted to industry and government sectorshigh
#D030direct dischargersA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.high
#D031Explosives Load, Assemble, and Pack Plantsplants which blend explosives and market a final product, and plants that fill shells and blasting capshigh
#D032TNTtrinitrotoluenehigh
#D033HMXcyclotetramethylene tetranitraminehigh
#D034RDXcyclotrimethylene trinitraminehigh
#D035CODchemical oxygen demandhigh
#D036BOD5biochemical oxygen demandhigh
#D037TSStotal suspended solidshigh
#D038BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D039direct dischargersA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.high
#D040Explosives Load, Assemble, and Pack Plantsplants which blend explosives and market a final product, and plants that fill shells and blasting capshigh
#D041TNTtrinitrotoluenehigh
#D042HMXcyclotetramethylene tetranitraminehigh
#D043RDXcyclotrimethylene trinitraminehigh
#D044NAICSNorth American Industrial Classification Systemhigh
#D045CODchemical oxygen demandhigh
#D046BOD5biochemical oxygen demandhigh
#D047TSStotal suspended solidshigh
#D048BPTBest Practicable Pollutant Control Technology Currently Availablehigh
#D049Military plantsproduce strictly for the militaryhigh
#D050commercial plantsproduce for both military and non-military clientshigh