MO4036256 · Missouri

KILLARNEY SHORES SUBD

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown: 23
EPA health-based flag: 0
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 23

Counties listed by EPA · Iron County, 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 7 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 30 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407346 · Selenium · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407345 · Thallium, Total · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407344 · Beryllium, Total · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407343 · Antimony, Total · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407342 · Mercury · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407341 · Fluoride · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407340 · Chromium · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407339 · Cadmium · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407338 · Barium · Inorganic Chemicals

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring, RegularViolation 8407337 · Arsenic · Arsenic Rule

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 16, 2026 · EPA return-to-compliance field March 31, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
476	May 20, 2026	Informal	State Violation/Reminder Notice
477	May 20, 2026	Informal	State Public Notification requested
478	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Unaddressed by formal action

Follow-up Or Routine LCR Tap M/RViolation 8407332 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2025 · first reported March 25, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
466	December 10, 2025	Informal	State Violation/Reminder Notice
467	December 10, 2025	Informal	State Public Notification requested
470	January 8, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, RegularViolation 8407335 · Nitrate-Nitrite · Nitrate Rule

Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported March 25, 2026 · EPA return-to-compliance field December 31, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
471	March 18, 2026	Informal	State Violation/Reminder Notice
472	March 18, 2026	Informal	State Public Notification requested
481	May 25, 2026	Resolving	State Compliance achieved
480	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring and Reporting (DBP)Violation 8407334 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported December 31, 2025 · EPA return-to-compliance field December 31, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
473	December 10, 2025	Informal	State Violation/Reminder Notice
474	December 10, 2025	Informal	State Public Notification requested
479	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring and Reporting (DBP)Violation 8407333 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported December 31, 2025 · EPA return-to-compliance field December 31, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
473	December 10, 2025	Informal	State Violation/Reminder Notice
474	December 10, 2025	Informal	State Public Notification requested
479	June 30, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

LSL ReportingViolation 8407331 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

Noncompliance period start October 17, 2024 · period end April 15, 2026 · first reported March 28, 2025 · EPA return-to-compliance field April 15, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
463	March 14, 2025	Informal	State Violation/Reminder Notice
464	March 14, 2025	Informal	State Public Notification requested
465	April 1, 2025	Informal	State Public Notification received
475	April 15, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Unaddressed by formal action

Follow-up Or Routine LCR Tap M/RViolation 8407328 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2024 · first reported March 28, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
457	December 17, 2024	Informal	State Violation/Reminder Notice
458	December 17, 2024	Informal	State Public Notification requested
460	February 14, 2025	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 8407327 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start May 1, 2024 · period end May 31, 2024 · first reported September 30, 2024 · EPA return-to-compliance field May 31, 2024

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
451	June 27, 2024	Resolving	State Compliance achieved
448	July 2, 2024	Informal	State Violation/Reminder Notice
449	July 2, 2024	Informal	State Public Notification requested
453	July 24, 2024	Informal	State Violation/Reminder Notice
452	August 12, 2024	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 8407326 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start January 1, 2024 · period end January 31, 2024 · first reported June 11, 2024 · EPA return-to-compliance field January 31, 2024

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
447	February 22, 2024	Resolving	State Compliance achieved
445	March 4, 2024	Informal	State Violation/Reminder Notice
446	March 4, 2024	Informal	State Public Notification requested
453	July 24, 2024	Informal	State Violation/Reminder Notice
462	February 14, 2025	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 8407324 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start September 1, 2023 · period end September 30, 2023 · first reported November 14, 2023 · EPA return-to-compliance field September 30, 2023

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
440	October 26, 2023	Informal	State Violation/Reminder Notice
441	October 26, 2023	Informal	State Public Notification requested
442	October 30, 2023	Resolving	State Compliance achieved
453	July 24, 2024	Informal	State Violation/Reminder Notice
461	February 14, 2025	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, RegularViolation 8407325 · Nitrate-Nitrite · Nitrate Rule

Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported March 15, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
443	February 26, 2024	Informal	State Violation/Reminder Notice
444	February 26, 2024	Informal	State Public Notification requested
450	July 3, 2024	Informal	State Public Notification received
454	September 29, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Archived

Monitoring and Reporting (DBP)Violation 8407330 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2022 · period end December 31, 2024 · first reported December 20, 2024 · EPA return-to-compliance field December 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
455	December 19, 2024	Informal	State Violation/Reminder Notice
456	December 19, 2024	Informal	State Public Notification requested
459	February 14, 2025	Informal	State Public Notification received

Monitoring or reporting · Archived

Monitoring and Reporting (DBP)Violation 8407329 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2022 · period end December 31, 2024 · first reported December 20, 2024 · EPA return-to-compliance field December 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
455	December 19, 2024	Informal	State Violation/Reminder Notice
456	December 19, 2024	Informal	State Public Notification requested
459	February 14, 2025	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 8407323 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start November 1, 2020 · period end November 30, 2020 · first reported March 28, 2022 · EPA return-to-compliance field November 30, 2020

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
437	December 26, 2020	Resolving	State Compliance achieved
435	January 12, 2021	Informal	State Violation/Reminder Notice
436	January 12, 2021	Informal	State Public Notification requested
438	May 21, 2021	Informal	State Public Notification received

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