Tap Water Quality Report
Tap water quality in QUEEN CREEK, Arizona
Tap water in QUEEN CREEK, Arizona receives a grade of C (70/100) from TapWaterSafety.org. It's served by QUEEN CREEK TOWN OF. The most significant water quality concerns are: Arsenic significantly above health guideline; Chromium (hexavalent) significantly above health guideline; Nitrate and nitrite significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in QUEEN CREEK's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving QUEEN CREEK.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 2.22 ppb, 556x above the EWG health guideline of 0.004 ppb.
Chromium (hexavalent) significantly above health guideline
Moderate concernChromium (hexavalent) detected at 3.53 ppb, 176x above the EWG health guideline of 0.02 ppb.
Nitrate and nitrite significantly above health guideline
Moderate concernNitrate and nitrite detected at 4.01 ppm, 29x above the EWG health guideline of 0.14 ppm.
EPA compliance record
Official U.S. EPA records for QUEEN CREEK TOWN OF (system ID AZ0407033) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Synthetic Organic Chemicals | Missed testing or reporting | 01/01/2021 | Open |
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 QUEEN CREEK
Filters matched to the specific contaminants in QUEEN CREEK's water supply.
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All contaminants detected in QUEEN CREEK'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 |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
2.22 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 556× over |
| Chromium (hexavalent) Heavy metal |
3.53 ppb | 0.02 | — | — | — | — | — | 176× over |
| Nitrate and nitrite Inorganic |
4.01 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 29× over |
| Nitrate Inorganic |
3.96 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 28× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
2.93 ppb | 0.15 | 80.0 | 100 | — | — | — | 20× over |
| Dibromochloromethane Disinfection byproduct |
1.14 ppb | 0.1 | — | — | — | — | — | 11× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
0.642 ppb | 0.06 | — | — | — | — | — | 11× over |
| Bromodichloromethane Disinfection byproduct |
0.282 ppb | 0.06 | — | — | — | — | — | 4.7× over |
| Bromoform Disinfection byproduct |
1.5 ppb | 0.5 | — | — | — | — | — | 3.0× over |
| Uranium Radiological |
1.27 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 3.0× over |
| 1,2-Dibromo-3-chloropropane (DBCP) Other |
0.00115 ppb | 0.0017 | 0.2 | — | — | — | — | Below guideline |
| Vanadium Other |
10.8 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
39.0 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Chloroform Disinfection byproduct |
0.00758 ppb | 0.4 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.577 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
0.161 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.677 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
2.2 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.28 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
0.468 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
67.3 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 QUEEN CREEK TOWN OF.