ELOY CITY OF
PWS ID: AZ0411030 · ELOY, Arizona 85131
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
7,903
Total Violations
313
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 3,085
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 243
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 36 | 2024 |
| Nitrate | MR | 34 | 2013 |
| Revised Total Coliform Rule | RPT | 28 | 2024 |
| Coliform (TCR) | MR | 25 | 2014 |
| Consumer Confidence Rule | Other | 23 | 2018 |
| Total Haloacetic Acids (HAA5) | MR | 13 | 2024 |
| TTHM | MR | 13 | 2024 |
| Lead and Copper Rule | MR | 6 | 2016 |
| CHLOROBENZENE | MR | 4 | 2000 |
| o-Dichlorobenzene | MR | 3 | 1998 |
| trans-1,2-Dichloroethylene | MR | 3 | 1998 |
| 1,2-Dichloropropane | MR | 3 | 1998 |
| Toluene | MR | 3 | 1998 |
| Ethylbenzene | MR | 3 | 1998 |
| Styrene | MR | 3 | 1998 |
| cis-1,2-Dichloroethylene | MR | 3 | 1998 |
| DICHLOROMETHANE | MR | 3 | 1998 |
| Tetrachloroethylene | MR | 3 | 1998 |
| 1,1,2-Trichloroethane | MR | 3 | 1998 |
| Heptachlor | MR | 2 | 2003 |
| 2,4-D | MR | 2 | 2003 |
| Heptachlor epoxide | MR | 2 | 2003 |
| HEXACHLOROBENZENE | MR | 2 | 2003 |
| 2,4,5-TP | MR | 2 | 2003 |
| Benzo(a)pyrene | MR | 2 | 2003 |
| Pentachlorophenol | MR | 2 | 2003 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2003 |
| 2,3,7,8-TCDD | MR | 2 | 2003 |
| Chlordane | MR | 2 | 2003 |
| Revised Total Coliform Rule | MON | 2 | 2018 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFHxS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NMeFOSAA | 8/7/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFBS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFOS | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 8/7/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/7/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 8/7/2024 | 34.0000 µg/L | 9 µg/L | Detected |
| PFPeS | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 8/7/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFNA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 8/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NEtFOSAA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 8/7/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| HFPO-DA | 8/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 8/7/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 8/7/2024 | 37.0000 µg/L | 9 µg/L | Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.