Is Brighton, CO tap water safe?
The short answer
3 of the 6 utilities serving Brighton have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Colorado’s records: City of Brighton, Mountain View WUA and North Washington WUA.
City of Brighton, which serves the most people here, has 1 result above the legal limit, 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: Total trihalomethanes (TTHM) at 62.9 ppb, above the legal limit.
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 Brighton’s ZIP codes, from EPA’s estimates.
- Open report
City of Brighton
Colorado · serves 56,304 people · about 25,000 in Brighton
1 result above the legal limit, 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: Total trihalomethanes (TTHM) at 62.9 ppb, above the legal limit.
1 health-based violation since 2016
- Open report
South Adams County WSD
Colorado · serves 75,559 people · about 1,200 in Brighton
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 26.7 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Third Creek WUA
Colorado · serves 90 people · under 100 in Brighton
2 results above the health goal. The worst: Arsenic at 8.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Todd Creek Village MD
Colorado · serves 7,363 people · based in Brighton
1 result 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 6.8 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Mountain View WUA
Colorado · serves 320 people · based in Brighton
2 results above the health goal. The worst: Lead at 9.6 ppb, above the health goal.
1 health-based violation since 2016
- Open report
North Washington WUA
Colorado · serves 90 people · based in Brighton
Nothing in its records is above a health goal.
6 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 City of Brighton’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: Total trihalomethanes (TTHM), PFOS, PFOA, 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: Total trihalomethanes (TTHM), PFOS, PFOA, Arsenic, Lead
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), PFOS, PFOA, Arsenic, Lead
Water testing near Brighton
The 3 labs Colorado certifies closest to Brighton, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Colorado Analytical Laboratory - Commerce City
Commerce City, CO · about 5 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity
Murray-Brown Laboratories, LLC.
Northglenn, CO · about 8 miles
Certified for bacteria
SGS North America, Inc. - Denver
Denver, CO · about 11 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics
Which ZIP codes are in Brighton: 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: CDPHE certified drinking water laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Brighton
Other towns in Adams County with a page of their own.
What to do next
- Read City of Brighton’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water