Is Ucon, ID tap water safe?
The short answer
1 of the 2 utilities serving Ucon has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records: Falls Water Company Inc.
City of Idaho Falls, which serves the most people here, has 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57.4 ppb, above EPA’s health benchmark. 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 Ucon’s ZIP codes, from EPA’s estimates.
- Open report
City of Idaho Falls
Idaho · serves 69,450 people · under 100 in Ucon
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 57.4 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Falls Water Company Inc
Idaho · serves 22,650 people · under 100 in Ucon
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 44.6 ppb, above EPA’s health benchmark.
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 City of Idaho Falls’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
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 Ucon
The 3 labs Idaho certifies closest to Ucon, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Teton Microbiology Laboratory
Idaho Falls, ID · about 7 miles
Certified for bacteria
IAS EnviroChem Laboratory
Pocatello, ID · about 56 miles
Certified for bacteria, minerals and other inorganics
Teton County Water Laboratory
Jackson, WY · about 66 miles
Certified for bacteria
Which ZIP codes are in Ucon: 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: Idaho Bureau of Laboratories, drinking water laboratory certificates; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Ucon
Towns nearby with a page of their own.
What to do next
- Read City of Idaho Falls’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