Is Helena Valley Northeast, MT tap water safe?
The short answer
3 of the 15 utilities serving Helena Valley Northeast have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records: Helena Water System, Ten Mile and Pleasant Valley WUA and Glacier Point Ho and WUA.
Helena Water System, which serves the most people here, has 1 result above the legal limit, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Haloacetic acids (HAA5) at 39.5 ppb, above the legal limit.
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 Helena Valley Northeast’s ZIP codes, from EPA’s estimates.
- Open report
Helena Water System
Montana · serves 32,091 people · about 550 in Helena Valley Northeast
1 result above the legal limit, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Haloacetic acids (HAA5) at 39.5 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
North Star PUD
Montana · serves 715 people · about 110 in Helena Valley Northeast
3 results above the health goal. The worst: Lead at 7.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Helena Leisure LLC
Montana · serves 1,200 people · about 100 in Helena Valley Northeast
2 results above the health goal. The worst: Uranium at 3.0 ppb, above the health goal. Hardness: moderately hard, 100 mg/L (5.8 grains per gallon).
No health-based violations since 2016
- Open report
Ten Mile and Pleasant Valley WUA
Montana · serves 750 people · under 100 in Helena Valley Northeast
1 result above the action level and 2 results above the health goal. The worst: Copper at 2.1 ppm, above the action level.
1 health-based violation since 2016
- Open report
Treasure State Acres WUA
Montana · serves 483 people · under 100 in Helena Valley Northeast
3 results above the health goal. The worst: Arsenic at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Homestead Valley WUA Hvha
Montana · serves 105 people · under 100 in Helena Valley Northeast
2 results above the health goal. The worst: Uranium at 7.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Bryant No 3 Subdivision
Montana · serves 100 people · under 100 in Helena Valley Northeast
1 result above the health goal. The worst: Uranium at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Town View Estates WUA Inc
Montana · serves 175 people · under 100 in Helena Valley Northeast
3 results above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Barnett Water Users System
Montana · serves 70 people · under 100 in Helena Valley Northeast
2 results above the health goal. The worst: Arsenic at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Glacier Point Ho and WUA
Montana · serves 210 people · under 100 in Helena Valley Northeast
2 results above the health goal. The worst: Uranium at 3.0 ppb, above the health goal.
1 health-based violation since 2016
5 more utilities in Helena Valley Northeast
By EPA’s estimate, each serves fewer people in Helena Valley Northeast than those above.
- Golden Estates Homeowners Associationserves 400 people · under 100 in Helena Valley Northeast · no health-based violations since 2016
- Grass Land Estatesserves 228 people · under 100 in Helena Valley Northeast · no health-based violations since 2016
- Helena Rv and Mobile Home Parkserves 250 people · under 100 in Helena Valley Northeast · no health-based violations since 2016
- Bridge Creek Estates Subdivisionserves 205 people · under 100 in Helena Valley Northeast · no health-based violations since 2016
- Rosemarys Additionserves 30 people · nearly all in Helena Valley Northeast · no 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 Helena Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, 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: Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Water testing near Helena Valley Northeast
The 3 labs Montana certifies closest to Helena Valley Northeast, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Energy Laboratories, Inc.
Helena, MT · about 10 miles
Certified for bacteria, minerals and other inorganics, organic chemicals
DPHHS State of Montana Environmental Laboratory
Helena, MT · about 20 miles
Certified for bacteria, minerals and other inorganics, organic chemicals
Alpine Analytical
Helena, MT · about 20 miles
Certified for bacteria, minerals and other inorganics
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 Helena Valley Northeast
Which ZIP codes are in Helena Valley Northeast: 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.
Near Helena Valley Northeast
Other towns in Lewis and Clark County with a page of their own.
What to do next
- Read Helena Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Haloacetic acids (HAA5)What it does to health, where it comes from, and the certification claim that addresses it.About Haloacetic acids (HAA5)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water