Water Quality in 59003 — Ashland, MT
EPA data for ST LABRE INDIAN SCHOOL
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 59003 in Ashland, Montana is served by ST LABRE INDIAN SCHOOL (EPA ID: MT0000018). This system provides water to approximately 650 people from groundwater sources.
There are 2 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| June 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Monitoring | Resolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2024 | Arsenic | Monitoring | Resolved |
| October 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| October 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 34 | Yes |
| Nickel | Inorganic | 7 | No |
| Total Coliform | Microbiological | 6 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 5 | No |
| Surface Water Treatment Rule | Treatment Technique | 5 | No |
| Stage 1 DBP Rule | Treatment Technique | 4 | No |
| Consumer Confidence Report Rule | Reporting | 4 | Yes |
| Arsenic | Inorganic | 2 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
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Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| ST LABRE INDIAN SCHOOL | MT0000018 | 650 | Groundwater |
| ASHLAND WATER AND SEWER DIST | MT0000458 | 400 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Montana
- 59001 (Absarokee) — 3 violations
- 59008 (Belfry)
- 59011 (Big Timber)
- 59014 (Bridger) — 3 violations
- 59015 (Broadview) — 3 violations
- 59018 (Clyde Park) — 6 violations
- 59019 (Columbus) — 117 violations
- 59020 (Cooke City) — 12 violations
- 59027 (Emigrant) — 5 violations
- 59029 (Fromberg) — 23 violations
- 59030 (Gardiner)
- 59032 (Grass Range) — 9 violations
- 59033 (Greycliff)
- 59034 (Hardin) — 26 violations
- 59035 (Fort Smith) — 83 violations
- 59036 (Harlowton) — 17 violations
- 59037 (Huntley) — 2 violations
- 59038 (Hysham) — 42 violations
- 59041 (Joliet) — 12 violations
- 59044 (Laurel) — 9 violations
Nearby Water Quality Reports
- 59050 (Lodge Grass) — 56 mi — 5 violations
- 59034 (Hardin) — 65 mi — 26 violations
- 59038 (Hysham) — 69 mi — 42 violations
- 59035 (Fort Smith) — 82 mi — 83 violations
- 82716 (Gillette, WY) — 98 mi — 7 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for ST LABRE INDIAN SCHOOL (MT0000018) on EPA.gov.
Frequently Asked Questions
Is the tap water in 59003 safe to drink?
Ashland’s water system has recorded 31 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 59003’s water come from?
The primary water source for this area is groundwater. ST LABRE INDIAN SCHOOL serves approximately 650 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 59003 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 59003. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 59003?
Radon zone data is not available for ZIP code 59003. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.