CHINO VALLEY HIGH SCHOOL
PWS ID: AZ0413087 · CHINO VALLEY, Arizona 86323
PFAS Detected
2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
960
Total Violations
97
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 18
- County
- Yavapai
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 85
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 12 | 2011 |
| Nitrate | MR | 6 | 2001 |
| Lead and Copper Rule | MR | 3 | 2019 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Styrene | MR | 2 | 2002 |
| Cadmium | MR | 2 | 1989 |
| Fluoride | MR | 2 | 1989 |
| Chromium | MR | 2 | 1989 |
| Arsenic | MR | 2 | 1989 |
| Selenium | MR | 2 | 1989 |
| Mercury | MR | 2 | 1989 |
| Barium | MR | 2 | 1989 |
| Public Notice | Other | 2 | 2024 |
| cis-1,2-Dichloroethylene | MR | 2 | 2002 |
| DICHLOROMETHANE | MR | 1 | 1998 |
| o-Dichlorobenzene | MR | 1 | 1998 |
| 1,1-Dichloroethylene | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| 1,1,2-Trichloroethane | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Benzene | MR | 1 | 1998 |
| Toluene | MR | 1 | 1998 |
| BHC-GAMMA | MR | 1 | 1998 |
| Toxaphene | MR | 1 | 1998 |
| Diquat | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| OXAMYL | MR | 1 | 1998 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFTrDA | 4/29/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFMBA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 4/29/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHpS | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 4/29/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NMeFOSAA | 4/29/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTA | 4/29/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/29/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFPeA | 4/29/2024 | 0.0030 µg/L | 0.003 µg/L | Detected |
| lithium | 4/29/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFOS | 4/29/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| HFPO-DA | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 4/29/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 4/29/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 4/29/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 4/29/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 4/29/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxS | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 4/29/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 10/16/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFHxA | 10/16/2024 | 0.0031 µg/L | 0.003 µg/L | Detected |
| PFDoA | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 10/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 10/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 10/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 10/16/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 10/16/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMPA | 10/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTA | 10/16/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 10/16/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFHpA | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 10/16/2024 | 0.0035 µg/L | 0.003 µg/L | Detected |
| lithium | 10/16/2024 | <9 µg/L | 9 µg/L | Not Detected |
| PFHpS | 10/16/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 10/16/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 10/16/2024 | <0.02 µg/L | 0.02 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.