Is Belgrade, MT tap water safe?
The short answer
None of the 8 utilities serving Belgrade has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records.
City of Belgrade, which serves the most people here, has 3 results above the health goal. The worst: Arsenic at 2.3 ppb, above the health goal. 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 Belgrade’s ZIP codes, from EPA’s estimates.
- Open report
City of Belgrade
Montana · serves 10,460 people · about 100 in Belgrade
3 results above the health goal. The worst: Arsenic at 2.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
River Rock County Water and Sewer Dist
Montana · serves 4,200 people · under 100 in Belgrade
3 results above the health goal. The worst: Lead at 2.8 ppb, above the health goal. Hardness: very hard, 229 mg/L (13.4 grains per gallon).
No health-based violations since 2016
- Open report
Lexley Acres Mobile Home Park
Montana · serves 250 people · under 100 in Belgrade
3 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Springvale Subdivision
Montana · serves 150 people · under 100 in Belgrade
2 results above the health goal. The worst: Lead at 0.89 ppb, above the health goal.
No health-based violations since 2016
- Open report
Wylie Creek Estates Subdivision
Montana · serves 400 people · lists Belgrade among the places it serves
3 results above the health goal. The worst: Uranium at 6.3 ppb, above the health goal. Hardness: very hard, typically 268 mg/L (15.7 grains per gallon).
No health-based violations since 2016
- Open report
Thomson Mobile Home Park
Montana · serves 65 people · lists Belgrade among the places it serves
2 results above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Belgrade Trailer Court
Montana · serves 50 people · lists Belgrade among the places it serves
3 results above the health goal. The worst: Lead at 2.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Potts Trailer Court Belgrade
Montana · serves 50 people · lists Belgrade among the places it serves
2 results above the health goal. The worst: Lead at 0.93 ppb, above the health goal.
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 City of Belgrade’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 Belgrade
The 3 labs Montana certifies closest to Belgrade, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Bridger Analytical Laboratory
Bozeman, MT · about 28 miles
Certified for bacteria, minerals and other inorganics
Energy Laboratories, Inc.
Helena, MT · about 63 miles
Certified for bacteria, minerals and other inorganics, organic chemicals
DPHHS State of Montana Environmental Laboratory
Helena, MT · about 64 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 Belgrade
Which ZIP codes are in Belgrade: 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 Belgrade
Towns nearby with a page of their own.
What to do next
- Read City of Belgrade’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water