Is Hildale, UT tap water safe?
The short answer
1 of the 2 utilities serving Hildale has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records: Hildale - Colorado City.
Hurricane City, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 30.9 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
The water from Hurricane City is moderately hard to very hard depending on the source, 105 to 287 mg/L (6.1 to 16.8 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 Hildale’s ZIP codes, from EPA’s estimates.
- Open report
Hurricane City
Utah · serves 25,555 people · about 110 in Hildale
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 30.9 ppb, above EPA’s health benchmark. Hardness: moderately hard to very hard depending on the source, 105 to 287 mg/L (6.1 to 16.8 grains per gallon).
No health-based violations since 2016
- Open report
Hildale - Colorado City
Utah · serves 6,100 people · based in Hildale
2 results above EPA’s new limit, which takes effect in 2029, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: PFOS at 26 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: very hard, typically 250 mg/L (14.6 grains per gallon).
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Hurricane City’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, Lead
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, Lead
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, Lead
Water testing near Hildale
The 3 labs Utah certifies closest to Hildale, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Southwest Utah Public Health Laboratory
St. George, UT · about 26 miles
Certified for bacteria, nitrate
St. George RWRF Laboratory
St. George, UT · about 28 miles
Certified for bacteria
Southern Utah University Water Laboratory
Cedar City, UT · about 45 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics
Which ZIP codes are in Hildale: 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 Hildale
Towns nearby with a page of their own.
What to do next
- Read Hurricane City’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water