CALIF STATE POLYTECHNICAL UNIV - POMONA
PWS ID: CA1910022 · POMONA, California 91768
Population Served
29,854
Total Violations
33
Health-Based Violations
9
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- State
- Connections
- 148
- County
- Los Angeles
- School/Daycare
- Yes
- MCL Violations
- 8
- Monitoring Violations
- 21
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 6 | 2024 |
| Coliform (TCR) | MCL | 2 | 1993 |
| o-Dichlorobenzene | MR | 1 | 2021 |
| Benzene | MR | 1 | 2021 |
| Ethylbenzene | MR | 1 | 2021 |
| 1,2-Dichloropropane | MR | 1 | 2021 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| 1,1-Dichloroethylene | MR | 1 | 2021 |
| 1,1,2-Trichloroethane | MR | 1 | 2021 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2021 |
| p-Dichlorobenzene | MR | 1 | 2021 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| Toluene | MR | 1 | 2021 |
| Vinyl chloride | MR | 1 | 2021 |
| 1,1,1-Trichloroethane | MR | 1 | 2021 |
| Trichloroethylene | MR | 1 | 2021 |
| Styrene | MR | 1 | 2021 |
| 1,2-Dichloroethane | MR | 1 | 2021 |
| trans-1,2-Dichloroethylene | MR | 1 | 2021 |
| Xylenes, Total | MR | 1 | 2021 |
| Tetrachloroethylene | MR | 1 | 2021 |
| Carbon tetrachloride | MR | 1 | 2021 |
| CHLOROBENZENE | MR | 1 | 2021 |
| cis-1,2-Dichloroethylene | MR | 1 | 2021 |
| DICHLOROMETHANE | MR | 1 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.