Is Sheridan, CO tap water safe?
The short answer
1 of the 2 utilities serving Sheridan 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 Englewood.
City of Englewood, 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 24.9 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 Sheridan’s ZIP codes, from EPA’s estimates.
- Open report
City of Englewood
Colorado · serves 59,904 people · about 5,700 in Sheridan
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 24.9 ppb, above EPA’s health benchmark.
1 health-based violation since 2016
- Open report
Denver Water Board
Colorado · serves 1.3 million people · about 930 in Sheridan
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
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Englewood’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOA, Lead
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOA, Lead
Water testing near Sheridan
The 3 labs Colorado certifies closest to Sheridan, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Colorado Department of Health & Environment
Denver, CO · about 9 miles
Certified for bacteria
SGS North America, Inc. - Wheat Ridge
Wheat Ridge, CO · about 10 miles
Certified for nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Eurofins Denver
Arvada, CO · about 11 miles
Certified for nitrate, minerals and other inorganics, organic chemicals, PFAS
Which ZIP codes are in Sheridan: 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 Sheridan
Other towns in Arapahoe County with a page of their own.
What to do next
- Read City of Englewood’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