Is Lakeside, MT tap water safe?
The short answer
None of the 9 utilities serving Lakeside has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Montana’s records.
Lakeside Water System, which serves the most people here, has 2 results above the health goal. The worst: Lead at 3.0 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 Lakeside’s ZIP codes, from EPA’s estimates.
- Open report
Lakeside Water System
Montana · serves 1,225 people · about 670 in Lakeside
2 results above the health goal. The worst: Lead at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Tamarack Woods HOA Lakeside
Montana · serves 180 people · under 100 in Lakeside
2 results above the health goal. The worst: Uranium at 4.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Somers Co Water and Sewer Dist
Montana · serves 765 people · under 100 in Lakeside
2 results above the health goal. The worst: Lead at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cherry View
Montana · serves 352 people · lists Lakeside among the places it serves
2 results above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Youth With A Mission
Montana · serves 150 people · lists Lakeside among the places it serves
1 result above the health goal. The worst: Uranium at 2.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Lakeview Park Estates Homeowners Assoc
Montana · serves 92 people · lists Lakeside among the places it serves
2 results above the health goal. The worst: Lead at 4.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Chautauqua Terrace HOA
Montana · serves 55 people · lists Lakeside among the places it serves
1 result above the health goal. The worst: Uranium at 2.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Hillside Homes
Montana · serves 35 people · lists Lakeside among the places it serves
2 results above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Juniper Bay Villas
Montana · serves 26 people · lists Lakeside among the places it serves
2 results above the health goal. The worst: Lead at 9.0 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 Lakeside Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Lakeside
The 2 labs Montana certifies closest to Lakeside, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Montana Environmental Laboratory
Kalispell, MT · about 16 miles
Certified for bacteria, minerals and other inorganics
Mission Mountain Laboratories
Ravalli, MT · about 51 miles
Certified for bacteria
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 MontanaWhich ZIP codes are in Lakeside: 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 Lakeside
Other towns in Flathead County with a page of their own.
What to do next
- Read Lakeside Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water