OLD HICKORY WAT CO-UNION COUNTY
PWS ID: TN0000899 · MAYNARDVILLE, Tennessee 37807
Population Served
342
Total Violations
370
Health-Based Violations
239
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 131
- County
- Union
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 75
- Treatment Tech Violations
- 237
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 237 | 2001 |
| Coliform (TCR) | MR | 21 | 2011 |
| TTHM | MR | 13 | 2020 |
| Lead and Copper Rule | MR | 12 | 2020 |
| Chlorine | MR | 11 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2020 |
| Consumer Confidence Rule | Other | 8 | 2024 |
| Revised Total Coliform Rule | MON | 8 | 2022 |
| Coliform (TCR) | MCL | 2 | 1990 |
| Nitrate | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.