Is Coleraine, MN tap water safe?
The short answer
2 of the 3 utilities serving Coleraine have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Minnesota’s records: Coleraine and Grand Rapids.
Coleraine, which serves the most people here, has 1 result above the action level. The worst: Copper at 1.9 ppm, above the action level.
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 Coleraine’s ZIP codes, from EPA’s estimates.
- Open report
Coleraine
Minnesota · serves 1,997 people · about 1,200 in Coleraine
1 result above the action level. The worst: Copper at 1.9 ppm, above the action level.
No health-based violations since 2016
- Open report
Grand Rapids
Minnesota · serves 11,346 people · about 260 in Coleraine
1 result above the action level and 1 result above the health goal. The worst: Copper at 1.5 ppm, above the action level.
No health-based violations since 2016
- Open report
Bovey
Minnesota · serves 821 people · under 100 in Coleraine
1 result above the health goal. The worst: Lead at 3.0 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 Coleraine’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 Original Filter (OB60, OB03)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 13, 2026
Certified for: Copper
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: Copper
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Copper
Water testing near Coleraine
The 3 labs Minnesota certifies closest to Coleraine, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
RMB Environmental Laboratories, Inc. - Virginia
Virginia, MN · about 49 miles
Certified for bacteria, nitrate
Pace Analytical Services, LLC - Virginia
Virginia, MN · about 49 miles
Certified for bacteria
Pace Analytical Services, LLC - Duluth
Duluth, MN · about 72 miles
Certified for bacteria, nitrate
Which ZIP codes are in Coleraine: 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: Minnesota Department of Health, accredited labs in Minnesota accepting drinking water samples from private well users; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Coleraine
Other towns in Itasca County with a page of their own.
What to do next
- Read Coleraine’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About CopperWhat it does to health, where it comes from, and the certification claim that addresses it.About Copper
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water