EPCOR - PARADISE VALLEY/SCOTTSDALE
PWS ID: AZ0407056 · EL MIRAGE, Arizona 85335
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
14,107
Total Violations
94
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 5,643
- County
- Maricopa
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 76
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 15 | 2007 |
| Coliform (TCR) | MR | 8 | 2012 |
| Consumer Confidence Rule | Other | 7 | 2012 |
| 2,3,7,8-TCDD | MR | 5 | 2011 |
| Arsenic | MR | 3 | 2024 |
| Chlorine | MR | 3 | 2013 |
| Endrin | MR | 2 | 2002 |
| Coliform (TCR) | MCL | 2 | 2001 |
| Methoxychlor | MR | 2 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2002 |
| Hexachlorocyclopentadiene | MR | 2 | 2002 |
| Atrazine | MR | 2 | 2002 |
| LASSO | MR | 2 | 2002 |
| HEXACHLOROBENZENE | MR | 2 | 2002 |
| Toxaphene | MR | 2 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2002 |
| Trichloroethylene | MCL | 2 | 2008 |
| Surface Water Treatment Rule | MR | 2 | 2024 |
| Chromium | MR | 2 | 1990 |
| Simazine | MR | 2 | 2002 |
| Chlordane | MR | 2 | 2002 |
| OXAMYL | MR | 1 | 1999 |
| Picloram | MR | 1 | 1999 |
| Dinoseb | MR | 1 | 1999 |
| Carbofuran | MR | 1 | 1999 |
| 2,4-D | MR | 1 | 1999 |
| Lead and Copper Rule | MR | 1 | 2004 |
| Revised Total Coliform Rule | RPT | 1 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1987 |
| Endothall | MR | 1 | 1999 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| 4:2 FTS | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 8/3/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 8/3/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 8/3/2023 | 49.6000 µg/L | 9 µg/L | Detected |
| 8:2 FTS | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 8/3/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTA | 8/3/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 8/3/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 8/3/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFHxA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/3/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOS | 8/3/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/3/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFUnA | 8/3/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/3/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 6:2 FTS | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 8/3/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/3/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 2/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 2/7/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFEESA | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 2/7/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 2/7/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 2/7/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 2/7/2024 | 48.6000 µg/L | 9 µg/L | Detected |
| 11Cl-PF3OUdS | 2/7/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 2/7/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NMeFOSAA | 2/7/2024 | <0.006 µg/L | 0.006 µg/L | Not 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.