Is Chanhassen, MN tap water safe?
The short answer
1 of the 6 utilities serving Chanhassen has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Minnesota’s records: Minnetrista.
Chanhassen, which serves the most people here, has 1 result above the health goal. The worst: Arsenic at 1.0 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 Chanhassen’s ZIP codes, from EPA’s estimates.
- Open report
Chanhassen
Minnesota · serves 24,951 people · about 22,100 in Chanhassen
1 result above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Chaska
Minnesota · serves 30,000 people · about 3,200 in Chanhassen
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 15.8 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Shorewood
Minnesota · serves 3,890 people · about 1,100 in Chanhassen
1 result above the health goal. The worst: Arsenic at 6.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
Excelsior
Minnesota · serves 2,483 people · about 460 in Chanhassen
1 result above the health goal. The worst: Lead at 3.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Tonka Bay
Minnesota · serves 1,442 people · about 250 in Chanhassen
1 result above the health goal. The worst: Lead at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Minnetrista
Minnesota · serves 5,888 people · about 180 in Chanhassen
1 result above the action level. The worst: Copper at 1.7 ppm, above the action level.
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 Chanhassen’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
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
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
Water testing near Chanhassen
The 3 labs Minnesota certifies closest to Chanhassen, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Twin City Water Clinic, Inc.
Hopkins, MN · about 10 miles
Certified for bacteria, nitrate, lead and copper, metals
Engel Water Testing, Inc.
Minnetrista, MN · about 11 miles
Certified for bacteria
Tri-City/William Lloyd Analytical Lab
Bloomington, MN · about 13 miles
Certified for bacteria, nitrate, metals
Which ZIP codes are in Chanhassen: 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 Chanhassen
Other towns in Carver County with a page of their own.
What to do next
- Read Chanhassen’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