MO6010715 · Missouri
ST LOUIS CITY PWS
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 8
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 8
Counties listed by EPA · St. Louis city, Missouri
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Among 8 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
Lead Consumer NoticeViolation 330 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start December 30, 2025 · period end May 27, 2026 · first reported March 25, 2026 · EPA return-to-compliance field May 27, 2026
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 217 May 27, 2026 Resolving State Compliance achieved Monitoring or reporting · Resolved
Notification, Known or Potential LSLViolation 331 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule RevisionsNoncompliance period start July 2, 2025 · period end August 11, 2025 · first reported June 16, 2026 · EPA return-to-compliance field August 11, 2025
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 219 August 11, 2025 Resolving State Compliance achieved 215 April 6, 2026 Informal State Violation/Reminder Notice 216 April 6, 2026 Informal State Public Notification requested 218 June 18, 2026 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 317 · LASSO · Synthetic Organic ChemicalsNoncompliance period start October 1, 2022 · period end December 31, 2022 · first reported March 27, 2023 · EPA return-to-compliance field December 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 208 February 8, 2023 Informal State Violation/Reminder Notice 209 February 8, 2023 Informal State Public Notification requested 213 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 316 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start October 1, 2022 · period end December 31, 2022 · first reported March 27, 2023 · EPA return-to-compliance field December 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 208 February 8, 2023 Informal State Violation/Reminder Notice 209 February 8, 2023 Informal State Public Notification requested 213 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 314 · Simazine · Synthetic Organic ChemicalsNoncompliance period start October 1, 2022 · period end December 31, 2022 · first reported March 27, 2023 · EPA return-to-compliance field December 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 208 February 8, 2023 Informal State Violation/Reminder Notice 209 February 8, 2023 Informal State Public Notification requested 213 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 325 · LASSO · Synthetic Organic ChemicalsNoncompliance period start July 1, 2022 · period end September 30, 2022 · first reported March 27, 2023 · EPA return-to-compliance field September 30, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 210 February 8, 2023 Informal State Violation/Reminder Notice 211 February 8, 2023 Informal State Public Notification requested 212 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 324 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start July 1, 2022 · period end September 30, 2022 · first reported March 27, 2023 · EPA return-to-compliance field September 30, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 210 February 8, 2023 Informal State Violation/Reminder Notice 211 February 8, 2023 Informal State Public Notification requested 212 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 322 · Simazine · Synthetic Organic ChemicalsNoncompliance period start July 1, 2022 · period end September 30, 2022 · first reported March 27, 2023 · EPA return-to-compliance field September 30, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 210 February 8, 2023 Informal State Violation/Reminder Notice 211 February 8, 2023 Informal State Public Notification requested 212 March 24, 2023 Informal State Public Notification received 214 May 20, 2024 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