TIMBER KNOLL DWID
PWS ID: AZ0401015 · VERNON, Arizona 85940
Population Served
153
Total Violations
138
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 57
- County
- Apache
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 83
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 31 | 2015 |
| Consumer Confidence Rule | Other | 19 | 2016 |
| Lead and Copper Rule | MR | 11 | 2020 |
| E. COLI | MR | 7 | 2022 |
| Revised Total Coliform Rule | RPT | 7 | 2023 |
| Coliform (TCR) | MCL | 5 | 2014 |
| Revised Total Coliform Rule | MON | 3 | 2020 |
| Public Notice | Other | 2 | 2020 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1989 |
| Nitrate | MR | 2 | 2005 |
| Arsenic | MR | 1 | 1993 |
| 1,2,4-Trichlorobenzene | MR | 1 | 1998 |
| cis-1,2-Dichloroethylene | MR | 1 | 1998 |
| Xylenes, Total | MR | 1 | 1998 |
| Barium | MR | 1 | 1993 |
| p-Dichlorobenzene | MR | 1 | 1998 |
| 1,1-Dichloroethylene | MR | 1 | 1998 |
| Carbon tetrachloride | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Ethylbenzene | MR | 1 | 1998 |
| Chromium | MR | 1 | 1993 |
| Fluoride | MR | 1 | 1993 |
| Mercury | MR | 1 | 1993 |
| Styrene | MR | 1 | 1998 |
| Toluene | MR | 1 | 1998 |
| Cadmium | MR | 1 | 1993 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| 1,1,2-Trichloroethane | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.