Centennial Tap Water Quality Report
No test results on file for Centennial's own water system: EPA's records place none of the systems listed on this page in Centennial. Results from other water systems on this page are listed under each system's name; they do not make a verdict for Centennial. Check your water utility's latest Consumer Confidence Report for its current test results.
Other systems listed for Centennial with results above guidelines: DENVER WATER BOARD (2 above guidelines), CENTENNIAL WSD (6 above guidelines), MERIDIAN MD (3 above guidelines), STONEGATE MD (5 above guidelines), EAST VALLEY MD (4 above guidelines)
Water system
Not identified
EPA's records place none of the systems on this page in Centennial.
6 other systems are listed for Centennial. See their figures
Health-based violations since 2020
No EPA violation record on file
Is Centennial Tap Water Safe to Drink?
Everything we hold on Centennial's water is below โ a thin record, not a clean one. Testing your own water is the way to find out what your tap is actually delivering.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Colorado
Centennial Water Service Areas
Fluoride in Centennial's water
The 5 largest of the 6 water systems serving Centennial, by population served.
DENVER WATER BOARD
PWSID CO0116001
DENVER WATER BOARD reported 0.61 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
CENTENNIAL WSD
PWSID CO0118015
CENTENNIAL WSD reported 0.88 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
MERIDIAN MD
PWSID CO0218015
MERIDIAN MD reported 1.05 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
WILLOWS WD
PWSID CO0103100
No fluoride level in our data for WILLOWS WD. Your utility's annual water quality report (CCR) lists it.
STONEGATE MD
PWSID CO0118076
STONEGATE MD reported 1.61 mg/L, at or above the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level and below the 2.0 mg/L EPA secondary standard.
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General-Purpose Water Filters for Centennial
No test results are on file for Centennial's own water system, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
No test results on file โ test your own tap
We don't hold water-quality results for this system yet, so nobody can tell you what is in your water from published data. A certified lab test is the way to find out.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
On a private well near Centennial? Public-water results do not apply to private wells. See Arapahoe County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Centennial Tap Water
No test results on file for Centennial's own water system: EPA's records place none of the systems listed on this page in Centennial. Results from other water systems on this page are listed under each system's name; they do not make a verdict for Centennial. Check your water utility's latest Consumer Confidence Report for its current test results.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach your water utility. For a problem with your water now (discolored water, no water, low pressure, a leak), contact your water utility directly.
Check another location
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