Is Fairmount, CO tap water safe?
The short answer
None of the 4 utilities serving Fairmount has 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 Arvada, which serves the most people here, has 2 results above the health goal. The worst: Lead at 3.1 ppb, above the health goal. 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 Fairmount’s ZIP codes, from EPA’s estimates.
- Open report
City of Arvada
Colorado · serves 171,610 people · about 4,100 in Fairmount
2 results above the health goal. The worst: Lead at 3.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
North Table Mountain WSD
Colorado · serves 10,000 people · about 850 in Fairmount
2 results above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Golden
Colorado · serves 38,288 people · about 150 in Fairmount
1 result above EPA’s health benchmark. The worst: Lithium at 35.5 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Inspiration Valley MHP
Colorado · serves 250 people · about 120 in Fairmount
Nothing in its records is above a health goal. Hardness: soft, typically 19 mg/L (1.1 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 City of Arvada’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 Fairmount
The 3 labs Colorado certifies closest to Fairmount, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Hazen Research
Golden, CO · about 5 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, radioactivity
Eurofins Denver
Arvada, CO · about 5 miles
Certified for nitrate, minerals and other inorganics, organic chemicals, PFAS
Eurofins Reservoirs Environmental, Inc.
Arvada, CO · about 5 miles
Certified for bacteria
Which ZIP codes are in Fairmount: 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 Fairmount
Other towns in Jefferson County with a page of their own.
What to do next
- Read City of Arvada’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water