Tap Water Quality Report
Tap water quality in ENGLEWOOD, Colorado
Tap water in ENGLEWOOD, Colorado receives a grade of F (49/100) from TapWaterSafety.org. It's served by ENGLEWOOD CITY OF. The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ENGLEWOOD's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ENGLEWOOD.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Moderate concernPerfluorohexane sulfonate (PFHXS) detected at 1.1 ppt, 1100x above the EWG health guideline of 0.001 ppt.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 23.5 ppb, 392x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 51.6 ppb, 344x above the EWG health guideline of 0.15 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.667 ppb.
EPA compliance record
Official U.S. EPA records for ENGLEWOOD CITY OF (system ID CO0103045) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 04/01/2025 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for ENGLEWOOD
Filters matched to the specific contaminants in ENGLEWOOD's water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in ENGLEWOOD's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) PFAS |
1.1 ppt | 0.001 | 10.0 | — | — | — | — | 1100× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
23.5 ppb | 0.06 | — | — | — | — | — | 392× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
51.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 344× over |
| Bromodichloromethane Disinfection byproduct |
19.4 ppb | 0.06 | — | — | — | — | — | 323× over |
| Arsenic Heavy metal |
0.667 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 167× over |
| Dibromochloromethane Disinfection byproduct |
14.5 ppb | 0.1 | — | — | — | — | — | 145× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
11.5 ppb | 0.1 | 60.0 | 60 | — | — | — | 115× over |
| Dibromoacetic acid Disinfection byproduct |
2.69 ppb | 0.03 | — | — | — | — | — | 90× over |
| Chloroform Disinfection byproduct |
14.1 ppb | 0.4 | — | — | — | — | — | 35× over |
| Trichloroacetic acid Disinfection byproduct |
3.47 ppb | 0.1 | — | — | — | — | — | 35× over |
| Dichloroacetic acid Disinfection byproduct |
4.57 ppb | 0.2 | — | — | — | — | — | 23× over |
| Perfluorooctanoic acid (PFOA) PFAS |
1.75 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 19× over |
| Nitrate Inorganic |
2.57 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 18× over |
| Uranium Radiological |
3.35 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 7.8× over |
| Bromoform Disinfection byproduct |
3.63 ppb | 0.5 | — | — | — | — | — | 7.3× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
1.25 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 4.2× over |
| Chromium (hexavalent) Heavy metal |
0.0445 ppb | 0.02 | — | — | — | — | — | 2.2× over |
| Chlorate Disinfection byproduct |
212.5 ppb | 210.0 | — | — | — | — | — | 1.0× over |
| Bromochloromethane Other |
0.025 ppb | 0.06 | — | — | — | — | — | Below guideline |
| Selenium Heavy metal |
10.3 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Manganese Heavy metal |
8.38 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
56.3 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
2.66 ppb | 40.0 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.0205 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.719 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.539 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
2.8 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
4.5 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.7 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.45 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
1.33 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.59 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
10.2 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from ENGLEWOOD CITY OF.