084690441 · South Dakota

LOWER BRULE RURAL WATER SUPPLY SYSTEM

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

Violation records shown: 56
EPA health-based flag: 1
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 54

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 13 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 364 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Archived
Monitoring of Treatment (SWTR-Filter)Violation 36537 · Surface Water Treatment Rule · Surface Water Treatment Rule
Noncompliance period start June 1, 2026 · period end June 30, 2026 · first reported August 27, 2026 · EPA return-to-compliance field June 30, 2026
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, Routine (RTCR)Violation 36536 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start June 1, 2026 · period end June 30, 2026 · first reported August 27, 2026 · EPA return-to-compliance field June 30, 2026
No linked action row appears in the records shown.
Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 36493 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start November 1, 2025 · period end November 30, 2025 · first reported March 2, 2026 · EPA return-to-compliance field November 30, 2025

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8453 December 18, 2025 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring of Treatment (SWTR-Filter)Violation 36492 · Surface Water Treatment Rule · Surface Water Treatment Rule
Noncompliance period start November 1, 2025 · period end November 30, 2025 · first reported March 2, 2026 · EPA return-to-compliance field November 30, 2025

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8440 January 13, 2026 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Follow-up Or Routine LCR Tap M/RViolation 36491 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start October 1, 2025 · period end November 17, 2025 · first reported March 2, 2026 · EPA return-to-compliance field November 17, 2025

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8437 November 17, 2025 Resolving State Compliance achieved
Monitoring or reporting · Archived
Monitoring, RegularViolation 36506 · Selenium · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36505 · Thallium, Total · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36504 · Beryllium, Total · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36503 · Antimony, Total · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36501 · Nickel · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36500 · Mercury · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36499 · Fluoride · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36498 · CYANIDE · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36497 · Chromium · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36496 · Cadmium · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36495 · Barium · Inorganic Chemicals
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36494 · Arsenic · Arsenic Rule
Noncompliance period start January 1, 2025 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 36474 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 1, 2024 · period end August 19, 2024 · first reported October 21, 2024 · EPA return-to-compliance field August 19, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8431 August 14, 2024 Informal State Violation/Reminder Notice
8432 August 19, 2024 Resolving State Compliance achieved
Monitoring or reporting · Archived
Monitoring, RegularViolation 36535 · Chlordane · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36534 · ETHYLENE DIBROMIDE · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36533 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36532 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36531 · Pentachlorophenol · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36530 · Benzo(a)pyrene · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36529 · HEXACHLOROBENZENE · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36528 · 2,4,5-TP · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36527 · 2,4-D · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36526 · Heptachlor epoxide · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36525 · Heptachlor · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36524 · LASSO · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36523 · Atrazine · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36522 · Carbofuran · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36521 · Hexachlorocyclopentadiene · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36520 · Dinoseb · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36519 · Picloram · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36518 · Di(2-ethylhexyl) phthalate · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36517 · Simazine · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36516 · OXAMYL · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36515 · Di(2-ethylhexyl) adipate · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36514 · Glyphosate · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36513 · Endothall · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36512 · Diquat · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36511 · Dalapon · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36510 · Toxaphene · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36509 · Methoxychlor · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36508 · BHC-GAMMA · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Archived
Monitoring, RegularViolation 36507 · Endrin · Synthetic Organic Chemicals
Noncompliance period start January 1, 2023 · period end December 31, 2025 · first reported June 29, 2026 · EPA return-to-compliance field December 31, 2025
No linked action row appears in the records shown.
Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 36468 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start September 29, 2022 · period end October 27, 2022 · first reported November 16, 2022 · EPA return-to-compliance field October 27, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8427 October 27, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36472 · Fluoride · Inorganic Chemicals
Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported September 11, 2023 · EPA return-to-compliance field December 31, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8430 September 14, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36470 · CYANIDE · Inorganic Chemicals
Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported September 11, 2023 · EPA return-to-compliance field December 31, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8430 September 14, 2023 Resolving State Compliance achieved
EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 36466 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported November 15, 2021 · EPA return-to-compliance field June 30, 2021

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8424 January 7, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36462 · Radium-228 · Radionuclides and Revised Rad Rule
Noncompliance period start January 1, 2015 · period end December 31, 2020 · first reported February 11, 2021 · EPA return-to-compliance field December 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8425 September 16, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36461 · Radium-226 · Radionuclides and Revised Rad Rule
Noncompliance period start January 1, 2015 · period end December 31, 2020 · first reported February 11, 2021 · EPA return-to-compliance field December 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8425 September 16, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36460 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad Rule
Noncompliance period start January 1, 2015 · period end December 31, 2020 · first reported February 11, 2021 · EPA return-to-compliance field December 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8425 September 16, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36459 · Combined Uranium · Radionuclides and Revised Rad Rule
Noncompliance period start January 1, 2015 · period end December 31, 2020 · first reported February 11, 2021 · EPA return-to-compliance field December 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8425 September 16, 2022 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, RegularViolation 36458 · Gross Alpha, Excl. Radon and U · Radionuclides and Revised Rad Rule
Noncompliance period start January 1, 2015 · period end December 31, 2020 · first reported February 11, 2021 · EPA return-to-compliance field December 31, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
8425 September 16, 2022 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8453	December 18, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8440	January 13, 2026	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8437	November 17, 2025	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8431	August 14, 2024	Informal	State Violation/Reminder Notice
8432	August 19, 2024	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8427	October 27, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8430	September 14, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8430	September 14, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8424	January 7, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8425	September 16, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8425	September 16, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8425	September 16, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8425	September 16, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
8425	September 16, 2022	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