Tule River Reservation Main
PWS ID: 090600156 · Porterville, 09 93257
Population Served
2,560
Total Violations
662
Health-Based Violations
30
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 330
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 457
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 96 | 2024 |
| Coliform (TCR) | MR | 22 | 2015 |
| Nitrate | MR | 14 | 2025 |
| Surface Water Treatment Rule | TT | 13 | 2023 |
| Arsenic | MR | 10 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2025 |
| TTHM | MR | 10 | 2025 |
| 2,3,7,8-TCDD | MR | 8 | 2022 |
| Coliform (TCR) | MCL | 7 | 2006 |
| Public Notice | Other | 7 | 2023 |
| Ethylbenzene | MR | 6 | 2022 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2018 |
| Combined Radium (-226 and -228) | MR | 6 | 2021 |
| Arsenic | MCL | 5 | 2019 |
| 1,2,4-Trichlorobenzene | MR | 5 | 2017 |
| cis-1,2-Dichloroethylene | MR | 5 | 2017 |
| Xylenes, Total | MR | 5 | 2017 |
| DICHLOROMETHANE | MR | 5 | 2017 |
| o-Dichlorobenzene | MR | 5 | 2017 |
| p-Dichlorobenzene | MR | 5 | 2017 |
| Vinyl chloride | MR | 5 | 2017 |
| 1,1-Dichloroethylene | MR | 5 | 2017 |
| 1,2-Dichloroethane | MR | 5 | 2017 |
| trans-1,2-Dichloroethylene | MR | 5 | 2017 |
| 1,1,1-Trichloroethane | MR | 5 | 2017 |
| Carbon tetrachloride | MR | 5 | 2017 |
| 1,2-Dichloropropane | MR | 5 | 2017 |
| Trichloroethylene | MR | 5 | 2017 |
| 1,1,2-Trichloroethane | MR | 5 | 2017 |
| Tetrachloroethylene | MR | 5 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.