ST LABRE INDIAN SCHOOL
PWSID: MT0000018 · Ashland, MT · Serves 650 people
According to EPA Safe Drinking Water Information System (SDWIS), ST LABRE INDIAN SCHOOL (PWSID MT0000018) in Ashland, MT is listed as a CWS water system covering about 650 people. The same extract lists 60 health-based violation records spanning 2015-2025. Those 60 health-based rows for ST LABRE INDIAN SCHOOL cover contaminants such as TTHM, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ST LABRE INDIAN SCHOOL has 60 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including TTHM, Groundwater Rule. Recorded violations span 2015–2025. Day-to-day primacy enforcement for this system runs through the Montana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Montana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MT0000018
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Ashland, MT
- Population Served
- 650
- Health Violations
- Yes (60)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 44 | 44 |
| Groundwater Rule | 16 | 16 |
Violation History (60)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Oct 1, 2025 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Dec 1, 2019 |
| Groundwater Rule | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| Groundwater Rule | Yes | Jul 1, 2019 |
| Groundwater Rule | Yes | Jun 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| Groundwater Rule | Yes | Apr 1, 2019 |
| Groundwater Rule | Yes | Mar 1, 2019 |
| Groundwater Rule | Yes | Feb 1, 2019 |
| Groundwater Rule | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jul 1, 2018 |
| Groundwater Rule | Yes | May 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| Groundwater Rule | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| Groundwater Rule | Yes | Nov 1, 2017 |
| TTHM | Yes | Oct 1, 2017 |
| Groundwater Rule | Yes | Sep 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| Groundwater Rule | Yes | Jun 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| Groundwater Rule | Yes | Sep 1, 2016 |
| Groundwater Rule | Yes | May 1, 2016 |
| Groundwater Rule | Yes | Mar 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for ST LABRE INDIAN SCHOOL?
How many people does ST LABRE INDIAN SCHOOL serve?
What violations does ST LABRE INDIAN SCHOOL have?
What contaminants have been found in ST LABRE INDIAN SCHOOL water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ST LABRE INDIAN SCHOOL on cumulative violation count (60) and EPA-reported population served (650). Violation-count peers include SOUTHWEST ARKANSAS WATER SYSTEM, COTTONWOOD MUNICIPAL WATER VV3, SUMTERVILLE WATER TREATMENT PLANT. Population peers include ARAPAHOE INDUSTRIAL PARK, Mesquite Creek, Bear River - Tish Non Village.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
ST LABRE INDIAN SCHOOL (MT0000018) is drawn from EPA SDWIS. Nearby county systems in this extract include BROADUS TOWN OF; ASHLAND WATER AND SEWER DIST. Health-based rows (60 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.