GOLDEN VALLEY IMPROVEMENT DISTRICT
PWS ID: AZ0408081 · KINGMAN, Arizona 86402
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
3,950
Total Violations
111
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,540
- County
- Mohave
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 83
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 33 | 2025 |
| Coliform (TCR) | MR | 18 | 2016 |
| Consumer Confidence Rule | Other | 15 | 2022 |
| Nitrate | MR | 12 | 2008 |
| Fluoride | MR | 8 | 2004 |
| 2,3,7,8-TCDD | MR | 4 | 2002 |
| Lead and Copper Rule | MR | 4 | 2015 |
| Arsenic | MCL | 3 | 2009 |
| Groundwater Rule | TT | 3 | 2025 |
| Coliform (TCR) | MCL | 2 | 2008 |
| Fluoride | MCL | 1 | 2002 |
| Trichloroethylene | MR | 1 | 1987 |
| cis-1,2-Dichloroethylene | MR | 1 | 1987 |
| Styrene | MR | 1 | 1987 |
| Tetrachloroethylene | MR | 1 | 1987 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFBS | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 7/11/2023 | 28.0000 µg/L | 9 µg/L | Detected |
| PFTA | 7/11/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 7/11/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NMeFOSAA | 7/11/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFHpA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 7/11/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 7/11/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 7/11/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 7/11/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFEESA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 7/11/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFPeS | 7/11/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 7/11/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFMBA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 7/11/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 7/11/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 7/11/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTA | 5/1/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 5/1/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 5/1/2025 | 40.0000 µg/L | 9 µg/L | Detected |
| PFHpS | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 5/1/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 9Cl-PF3ONS | 5/1/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 8:2 FTS | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 5/1/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 11Cl-PF3OUdS | 5/1/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 5/1/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 5/1/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 5/1/2025 | <0.004 µg/L | 0.004 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.