WY5601557 · Wyoming
TETON SCIENCE SCHOOL-WILSON CAMPUS
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 73
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 73
Counties listed by EPA · Teton County, Wyoming
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Among 73 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.
Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 74 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start November 1, 2023 · period end November 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field November 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 22 January 8, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 4 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start October 1, 2023 · period end October 31, 2023 · first reported February 22, 2024 · EPA return-to-compliance field October 31, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 22 January 8, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 3 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start September 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 27 January 24, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 9 · Chromium · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 8 · Cadmium · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 73 · Radium-228 · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 19 January 19, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 72 · Radium-226 · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 19 January 19, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 71 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 19 January 19, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 70 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 19 January 19, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 7 · Barium · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 69 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 22, 2024 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 19 January 19, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 68 · Chlordane · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 67 · ETHYLENE DIBROMIDE · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 66 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 65 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 64 · Pentachlorophenol · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 63 · Benzo(a)pyrene · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 62 · HEXACHLOROBENZENE · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 61 · 2,4,5-TP · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 60 · 2,4-D · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 6 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 59 · Heptachlor epoxide · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 58 · Heptachlor · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 57 · LASSO · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 56 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 55 · Carbofuran · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 54 · Hexachlorocyclopentadiene · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 53 · Dinoseb · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 52 · Picloram · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 51 · Di(2-ethylhexyl) phthalate · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 50 · Simazine · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 5 · Asbestos · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 26 November 30, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 49 · OXAMYL · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 48 · Di(2-ethylhexyl) adipate · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 47 · Glyphosate · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 46 · Endothall · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 45 · Diquat · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 44 · Dalapon · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 43 · Toxaphene · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 42 · Methoxychlor · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 41 · BHC-GAMMA · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 40 · Endrin · Synthetic Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 39 · Styrene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 38 · Ethylbenzene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 37 · Toluene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 36 · Benzene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 35 · CHLOROBENZENE · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 34 · Tetrachloroethylene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 33 · 1,1,2-Trichloroethane · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 32 · Trichloroethylene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 31 · 1,2-Dichloropropane · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 30 · Carbon tetrachloride · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 29 · 1,1,1-Trichloroethane · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 28 · 1,2-Dichloroethane · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 27 · trans-1,2-Dichloroethylene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 26 · 1,1-Dichloroethylene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 25 · Vinyl chloride · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 24 · p-Dichlorobenzene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 23 · o-Dichlorobenzene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 22 · DICHLOROMETHANE · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 21 · Xylenes, Total · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 20 · cis-1,2-Dichloroethylene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 2 · Nitrate-Nitrite · Nitrate RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 23 December 6, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 19 · 1,2,4-Trichlorobenzene · Volatile Organic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 18 · Selenium · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 17 · Thallium, Total · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 16 · Beryllium, Total · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 15 · Antimony, Total · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 13 · Nickel · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 12 · Mercury · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 11 · Fluoride · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 10 · CYANIDE · Inorganic ChemicalsNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported December 19, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 25 November 28, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 1 · Nitrite · Nitrate RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 December 6, 2023 Resolving State Compliance achieved
EPA data and scope
How to read the records
The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility