Is Mountain View, CO tap water safe?
The short answer
1 of the 2 utilities serving Mountain View has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Colorado’s records: Wheat Ridge Water District.
Denver Water Board, which serves the most people here, has 3 results above the health goal. The worst: Lead at 3.6 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Denver Water Board is moderately hard on average, 105 mg/L (6.1 grains per gallon), ranging from 55 to 124 mg/L. How Colorado’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 Mountain View’s ZIP codes, from EPA’s estimates.
- Open report
Denver Water Board
Colorado · serves 1.3 million people · about 430 in Mountain View
3 results above the health goal. The worst: Lead at 3.6 ppb, above the health goal. Hardness: moderately hard on average, 105 mg/L (6.1 grains per gallon), ranging from 55 to 124 mg/L.
No health-based violations since 2016
- Open report
Wheat Ridge Water District
Colorado · serves 20,000 people · under 100 in Mountain View
1 result above the health goal. The worst: Lead at 9.0 ppb, above the health goal.
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 Denver Water Board’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 Mountain View
The 3 labs Colorado certifies closest to Mountain View, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SGS North America, Inc. - Wheat Ridge
Wheat Ridge, CO · about 3 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Eurofins Denver
Arvada, CO · about 3 miles
Certified for nitrate, minerals and other inorganics, organic chemicals, PFAS
Eurofins Reservoirs Environmental, Inc.
Arvada, CO · about 3 miles
Certified for bacteria
ZIP codes in Mountain View
Which ZIP codes are in Mountain View: 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 Mountain View
Other towns in Denver County with a page of their own.
What to do next
- Read Denver Water Board’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