Is New Harmony, UT tap water safe?
The short answer
3 of the 4 utilities serving New Harmony have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Utah’s records: New Harmony Water System, Harmony Heights Water Company and North Valley Ranches Sub.
Mountain Springs Water Co, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 9.6 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Mountain Springs Water Co is moderately hard to very hard depending on the source, 112 to 216 mg/L (6.6 to 12.6 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 New Harmony’s ZIP codes, from EPA’s estimates.
- Open report
Mountain Springs Water Co
Utah · serves 660 people · under 100 in New Harmony
2 results above the health goal. The worst: Arsenic at 9.6 ppb, above the health goal. Hardness: moderately hard to very hard depending on the source, 112 to 216 mg/L (6.6 to 12.6 grains per gallon).
No health-based violations since 2016
- Open report
New Harmony Water System
Utah · serves 200 people · under 100 in New Harmony
2 results above the health goal. The worst: Arsenic at 1.5 ppb, above the health goal.
2 health-based violations since 2016
- Open report
Harmony Heights Water Company
Utah · serves 120 people · under 100 in New Harmony
2 results above the health goal. The worst: Lead at 5.9 ppb, above the health goal.
1 health-based violation since 2016
- Open report
North Valley Ranches Sub
Utah · serves 78 people · under 100 in New Harmony
2 results above the health goal. The worst: Arsenic at 4.0 ppb, above the health goal. Hardness: very hard, 186 mg/L (10.9 grains per gallon).
10 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 Mountain Springs Water Co’s water, which serves the most people here. Another utility’s report names what handles its own results.
Disclosure: TapBuff earns a commission if you buy through some links on this page. It does not change which standard or filter we name. As an Amazon Associate, TapBuff earns from qualifying purchases. How TapBuff makes money
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
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
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
Water testing near New Harmony
The 3 labs Utah certifies closest to New Harmony, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Southern Utah University Water Laboratory
Cedar City, UT · about 18 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics
Southwest Utah Public Health Laboratory
St. George, UT · about 30 miles
Certified for bacteria, nitrate
St. George RWRF Laboratory
St. George, UT · about 35 miles
Certified for bacteria
ZIP codes in New Harmony
Which ZIP codes are in New Harmony: 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 New Harmony
Other towns in Washington County with a page of their own.
What to do next
- Read Mountain Springs Water Co’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water