Parameter Viewer

Document ID us-rtdaiwt-2025-11-18-2 Title Resources, Tools and Databases about Impaired Waters and TMDLs URL https://www.epa.gov/uic/primary-enforcement-authority-underground-injection-control-program Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:39:42.460876+00:00 Relevance inventory_targeted_fetch
7 Qualitative 14 Quantitative 7 Definitions

Q Qualitative Requirements (7)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeunknownmandatorySection 1422 Minimum Program Requirementsdrinking water, otherSection 1422 applies to all well classes and requires primacy applicants to meet the EPA’s minimum requirements for UIC programs.Applies to all well classes (Classes I, II, III, IV, V and VI) under SDWA Section 1422high
#Q002administrativeunknownmandatorySection 1425 Endangerment Prevention Demonstrationdrinking water, otherSection 1425 applies to Class II wells only and requires primacy applicants to demonstrate their standards are effective in preventing endangerment of USDWs.Applies to Class II wells only under SDWA Section 1425high
#Q003administrativereportingmandatoryUIC Primacy Application Process Adherencedrinking waterStates, territories and tribes applying for UIC program primacy must follow the UIC primacy application process requirements presented at 40 CFR part 145.When applying for UIC program primacyhigh
#Q004administrativereportingmandatoryNew Primacy Application Core Elements Requirementdrinking waterAll documents are required for a new primacy application. For program revisions, depending on the nature of the UIC program changes, a state, territory, or tribe may need to revise one or more of the six core elements and submit a revised primacy application to the EPA.Required for a new primacy application or a substantial program revisionhigh
#Q005administrativereportingmandatoryGovernor's Letter Specificationsdrinking waterMust specify that approval is sought under sections 1422 or 1425 of the SDWA.Applies to the signed letter from the governor requesting approval for UIC program primacyhigh
#Q006administrativetreatmentmandatoryApplicant's UIC Statutes and Regulations Provisions (Section 1422)drinking waterSDWA Section 1422: Applicants may incorporate the federal regulations by reference, adopt the federal language verbatim, or establish final provisions that are as stringent as the federal requirements.Applies to applicants submitting under SDWA Section 1422high
#Q007administrativetreatmentmandatoryApplicant's Class II Regulations Effectiveness (Section 1425)drinking waterSDWA Section 1425: Applicants must demonstrate that their Class II regulations are effective in preventing underground injection that endangers USDWs.Applies to applicants submitting under SDWA Section 1425 for Class II wellshigh

P Quantitative Requirements (14)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#R001chemicalhealthmandatoryPFOA Maximum Contaminant Leveldrinking waterMAC4.0 pptCompliance determined by running annual averages at the sampling pointPublic water systemshigh
#R002chemicalhealthguidelinePFOA Maximum Contaminant Level Goaldrinking watertreatment_goal0 pptHealth-based, non-enforceable goalPublic water systemshigh
#R003chemicalhealthmandatoryPFOS Maximum Contaminant Leveldrinking waterMAC4.0 pptCompliance determined by running annual averages at the sampling pointPublic water systemshigh
#R004chemicalhealthguidelinePFOS Maximum Contaminant Level Goaldrinking watertreatment_goal0 pptHealth-based, non-enforceable goalPublic water systemshigh
#R005chemicalhealthmandatoryPFHxS Maximum Contaminant Leveldrinking waterMAC10 pptCompliance determined by running annual averages at the sampling pointPublic water systemshigh
#R006chemicalhealthguidelinePFHxS Maximum Contaminant Level Goaldrinking watertreatment_goal10 pptHealth-based, non-enforceable goalPublic water systemshigh
#R007chemicalhealthmandatoryPFNA Maximum Contaminant Leveldrinking waterMAC10 pptCompliance determined by running annual averages at the sampling pointPublic water systemshigh
#R008chemicalhealthguidelinePFNA Maximum Contaminant Level Goaldrinking watertreatment_goal10 pptHealth-based, non-enforceable goalPublic water systemshigh
#R009chemicalhealthmandatoryHFPO-DA (GenX Chemicals) Maximum Contaminant Leveldrinking waterMAC10 pptCompliance determined by running annual averages at the sampling pointPublic water systemshigh
#R010chemicalhealthguidelineHFPO-DA (GenX Chemicals) Maximum Contaminant Level Goaldrinking watertreatment_goal10 pptHealth-based, non-enforceable goalPublic water systemshigh
#R011chemicalhealthmandatoryPFAS Mixture Hazard Index Maximum Contaminant Leveldrinking waterMAC1 unitless Hazard IndexApplies to mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBSPublic water systemshigh
#R012chemicalhealthguidelinePFAS Mixture Hazard Index Maximum Contaminant Level Goaldrinking watertreatment_goal1 unitless Hazard IndexApplies to mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBSPublic water systemshigh
#R013operationaloperationalmandatoryInitial Monitoring Deadlinedrinking waterrequirement3 yearsPublic water systems must complete initial monitoring by 2027Public water systemshigh
#R014operationaltreatmentmandatoryPFAS Reduction Solution Implementation Deadlinedrinking waterrequirement5 yearsSystems have until 2029 to implement solutions if monitoring shows levels exceed MCLsPublic water systemshigh

D Definitions (7)

Req ID Category Name Context Confidence
#D001TMDLstotal maximum daily loadshigh
#D002Primary enforcement responsibility (primacy)state, territory, or Tribal responsibilities associated with implementing EPA approved UIC programs.high
#D003USDWsunderground sources of drinking waterhigh
#D004SDWASafe Drinking Water Acthigh
#D005UICUnderground Injection Controlhigh
#D006MSGPMulti-Sector General Permithigh
#D007NPDESNational Pollutant Discharge Elimination Systemhigh