CITY OF KNOLLWOOD
PWS ID: TX0910146 · KNOLLWOOD, Texas 75092-3908
Population Served
1,353
Total Violations
115
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 451
- County
- Grayson
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 101
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 49 | 2016 |
| Revised Total Coliform Rule | MON | 28 | 2019 |
| Coliform (TCR) | MR | 18 | 2014 |
| Consumer Confidence Rule | Other | 10 | 2022 |
| Lead and Copper Rule | MR | 6 | 2014 |
| Public Notice | Other | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.