ST LABRE INDIAN SCHOOL

Montana — Community Water System — PWSID: MT0000018

System Information

PWSIDMT0000018
System NameST LABRE INDIAN SCHOOL
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolYes
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityASHLAND
ZIP Code59003
AddressPO BOX 77
OrganizationTHARP, FRED
Phone406-784-4597

Population & Service

Population Served650
Service Connections98

Drinking Water Violations (1,481)

This water system has 1,481 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2025 Dec 31, 2025 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Addressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 83 UG/L 0.080 mg/L 80 Archived Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Consumer Confidence Rule Other No No Resolved Apr 17, 2024 Consumer Confidence Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Consumer Confidence Rule Other No No Resolved Apr 17, 2024 Consumer Confidence Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No .086 MG/L 0.080 mg/L .08 Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Archived Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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