Is Dutch John, UT tap water safe?
The short answer
Neither of the 2 utilities serving Dutch John has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records.
Greendale Water Company, which serves the most people here, has 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 93.3 ppb, above the limit’s level, no violation. 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 Dutch John’s ZIP codes, from EPA’s estimates.
- Open report
Greendale Water Company
Utah · serves 467 people · under 100 in Dutch John
1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 93.3 ppb, above the limit’s level, no violation.
No health-based violations since 2016
- Open report
Mountainwest Pipeline Clay Basin Camp
Utah · serves 37 people · based in Dutch John
1 result above the health goal. The worst: Arsenic at 0.8 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 Greendale Water Company’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Water testing near Dutch John
The lab Utah certifies closest to Dutch John, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
TriCounty Health Department Environmental Laboratory
Vernal, UT · about 38 miles
Certified for bacteria, nitrate
ZIP codes in Dutch John
Which ZIP codes are in Dutch John: 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 Dutch John
Towns nearby with a page of their own.
What to do next
- Read Greendale Water Company’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water