Is Ashland, MT tap water safe?
The short answer
2 of the 2 utilities serving Ashland have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records: Ashland Water and Sewer District and St Labre Indian School.
Ashland Water and Sewer District, which serves the most people here, has 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Fluoride at 4.3 ppm, above the limit’s level, no violation. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Ashland’s ZIP codes, from EPA’s estimates.
- Open report
Ashland Water and Sewer District
Montana · serves 400 people · under 100 in Ashland
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Fluoride at 4.3 ppm, above the limit’s level, no violation.
1 health-based violation since 2016
- Open report
St Labre Indian School
Montana · serves 650 people · lists Ashland among the places it serves
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 90 ppb, above the legal limit. Hardness: hard to very hard depending on the source, 158 to 298 mg/L (9.3 to 17.4 grains per gallon).
39 health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Ashland Water and Sewer District’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Under-sink reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58checked Oct. 4, 2026
Certified for: Fluoride, Lead
Under-sink reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58checked Oct. 9, 2026
Certified for: Fluoride, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Fluoride, Lead
Water testing near Ashland
The lab Montana certifies closest to Ashland, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
PACE Analytical-Sheridan
Sheridan, WY · about 52 miles
Certified for bacteria, minerals and other inorganics, organic chemicals
Montana State Environmental Laboratory: Private well testing packages for bacteria, metals, nutrients, anions, organic chemicals and more, open to the public. Samples can be mailed, sent by the lab's free courier, or dropped off at the lab. Environmental Laboratory, Montana Department of Public Health and Human Services.
All 36 certified labs for MontanaZIP codes in Ashland
Which ZIP codes are in Ashland: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Montana Department of Public Health and Human Services, Water Laboratory Certification Program, certified laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
What to do next
- Read Ashland Water and Sewer District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for FluorideRanked by certification and what they cost over five years.The best water filters for fluoride, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water