Is Stansbury Park, UT tap water safe?
The short answer
None of the 3 utilities serving Stansbury Park has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records.
Tooele City Water System, 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 36.1 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
The water from Tooele City Water System is hard to very hard depending on the source, 158 to 335 mg/L (9.2 to 19.6 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 Stansbury Park’s ZIP codes, from EPA’s estimates.
- Open report
Tooele City Water System
Utah · serves 41,770 people · about 480 in Stansbury Park
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 36.1 ppb, above EPA’s health benchmark. Hardness: hard to very hard depending on the source, 158 to 335 mg/L (9.2 to 19.6 grains per gallon).
No health-based violations since 2016
- Open report
Stansbury Park Improvement District
Utah · serves 9,839 people · about 180 in Stansbury Park
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 48 ppb, above EPA’s health benchmark. Hardness: very hard, 381 mg/L (22.3 grains per gallon).
No health-based violations since 2016
- Open report
Oquirrh Mountain Water Co
Utah · serves 2,500 people · under 100 in Stansbury Park
2 results above the health goal. The worst: Lead at 12.1 ppb, above the health goal. Hardness: very hard, typically 272 mg/L (15.9 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 Tooele 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 Stansbury Park
The 3 labs Utah certifies closest to Stansbury Park, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Rio Tinto Kennecott Environmental and Industrial Hygiene Laboratory
Magna, UT · about 14 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics
Jordan Valley Laboratory
Herriman, UT · about 17 miles
Certified for bacteria, nitrate, minerals and other inorganics, disinfection byproducts
Utah Department of Health Division of Lab Services (EPA cert.)
Taylorsville, UT · about 18 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, disinfection byproducts, PFAS
ZIP codes in Stansbury Park
Which ZIP codes are in Stansbury Park: 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 Stansbury Park
Towns nearby with a page of their own.
What to do next
- Read Tooele City Water System’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