Is Lehi, UT tap water safe?
The short answer
2 of the 4 utilities serving Lehi have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records: Saratoga Springs City and Highland City.
Lehi 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 21.4 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
The water from Lehi City is hard to very hard depending on the source, 126 to 248 mg/L (7.4 to 14.5 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 Lehi’s ZIP codes, from EPA’s estimates.
- Open report
Lehi City
Utah · serves 93,446 people · about 63,800 in Lehi
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 21.4 ppb, above EPA’s health benchmark. Hardness: hard to very hard depending on the source, 126 to 248 mg/L (7.4 to 14.5 grains per gallon).
No health-based violations since 2016
- Open report
Saratoga Springs City
Utah · serves 68,000 people · about 680 in Lehi
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 33.8 ppb, above EPA’s health benchmark. Hardness: very hard, typically 282 mg/L (16.5 grains per gallon).
2 health-based violations since 2016
- Open report
American Fork City
Utah · serves 39,045 people · about 640 in Lehi
1 result above the health goal. The worst: Lead at 3.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Highland City
Utah · serves 22,000 people · about 380 in Lehi
2 results above the health goal. The worst: Lead at 1.7 ppb, above the health goal. Hardness: hard, 154 mg/L (9 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 Lehi 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 Lehi
The 3 labs Utah certifies closest to Lehi, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Jordan Valley Laboratory
Herriman, UT · about 10 miles
Certified for bacteria, nitrate, minerals and other inorganics, disinfection byproducts
Chemtech-Ford, Inc.
Sandy, UT · about 12 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Provo Water Resources Laboratory
Provo, UT · about 17 miles
Certified for bacteria
Which ZIP codes are in Lehi: 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 Lehi
Other towns in Utah County with a page of their own.
What to do next
- Read Lehi 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