KNOBLEY WATER SYSTEM
PWS ID: WV3302946 · KEYSER, West Virginia 26726
Population Served
132
Total Violations
346
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 54
- County
- Mineral
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 277
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 38 | 2022 |
| Consumer Confidence Rule | Other | 35 | 2025 |
| Coliform (TCR) | MR | 30 | 2010 |
| Nitrate | MR | 21 | 2024 |
| Public Notice | Other | 21 | 2024 |
| TTHM | MR | 13 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 13 | 2023 |
| Barium | MR | 6 | 2020 |
| Selenium | MR | 6 | 2020 |
| Beryllium, Total | MR | 6 | 2020 |
| Thallium, Total | MR | 6 | 2020 |
| Cadmium | MR | 6 | 2020 |
| Antimony, Total | MR | 6 | 2020 |
| Groundwater Rule | MR | 6 | 2024 |
| Nickel | MR | 6 | 2020 |
| Chromium | MR | 6 | 2020 |
| Arsenic | MR | 5 | 2011 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 2008 |
| Fluoride | MR | 4 | 2002 |
| Mercury | MR | 4 | 2002 |
| CYANIDE | MR | 4 | 2002 |
| Chlorine | MR | 4 | 2024 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Methoxychlor | MR | 2 | 2011 |
| Simazine | MR | 2 | 2011 |
| Hexachlorocyclopentadiene | MR | 2 | 2011 |
| Carbofuran | MR | 2 | 2011 |
| LASSO | MR | 2 | 2011 |
| Heptachlor epoxide | MR | 2 | 2011 |
| Benzo(a)pyrene | MR | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.