Is Marion, UT tap water safe?
The short answer
Neither of the 2 utilities serving Marion has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records.
Kamas City Water System, which serves the most people here, has 2 results above the health goal. The worst: Lead at 2.0 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Kamas City Water System is very hard, 211 mg/L (12.3 grains per gallon). How Utah’s water compares.
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 Marion’s ZIP codes, from EPA’s estimates.
- Open report
Kamas City Water System
Utah · serves 2,200 people · under 100 in Marion
2 results above the health goal. The worst: Lead at 2.0 ppb, above the health goal. Hardness: very hard, 211 mg/L (12.3 grains per gallon).
No health-based violations since 2016
- Open report
Jordanelle Ssd
Utah · serves 2,345 people · under 100 in Marion
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Arsenic at 16.2 ppb, above the limit’s level, no violation. Hardness: moderately hard to very hard depending on the source, 77 to 438 mg/L (4.5 to 25.6 grains per gallon).
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 Kamas City Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Lead, 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: Lead, Arsenic
Water testing near Marion
The 3 labs Utah certifies closest to Marion, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Jordanelle Laboratory
Heber City, UT · about 17 miles
Certified for bacteria
Wasatch County Health Department
Heber City, UT · about 19 miles
Certified for bacteria
Summit County Health Department Laboratory
Coalville, UT · about 23 miles
Certified for bacteria, nitrate, minerals and other inorganics
ZIP codes in Marion
Which ZIP codes are in Marion: 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: Utah Department of Environmental Quality, Division of Drinking Water, certified laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Marion
Towns nearby with a page of their own.
What to do next
- Read Kamas City 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