NORRIS CANYON PROPERTY OWNERS ASSN
PWS ID: CA0103040 · CASTRO VALLEY, California 94552-9733
Population Served
50
Total Violations
111
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 19
- County
- Alameda
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 106
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| p-Dichlorobenzene | MR | 2 | 2014 |
| Vinyl chloride | MR | 2 | 2014 |
| 1,1-Dichloroethylene | MR | 2 | 2014 |
| 1,1,1-Trichloroethane | MR | 2 | 2014 |
| Carbon tetrachloride | MR | 2 | 2014 |
| 1,2-Dichloropropane | MR | 2 | 2014 |
| Trichloroethylene | MR | 2 | 2014 |
| Tetrachloroethylene | MR | 2 | 2014 |
| CHLOROBENZENE | MR | 2 | 2014 |
| Benzene | MR | 2 | 2014 |
| Toluene | MR | 2 | 2014 |
| BHC-GAMMA | MR | 2 | 2014 |
| Toxaphene | MR | 2 | 2014 |
| Endothall | MR | 2 | 2014 |
| Glyphosate | MR | 2 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 2 | 2014 |
| Simazine | MR | 2 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 2 | 2014 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2014 |
| Dinoseb | MR | 2 | 2014 |
| Carbofuran | MR | 2 | 2014 |
| LASSO | MR | 2 | 2014 |
| 2,3,7,8-TCDD | MR | 2 | 2014 |
| Heptachlor | MR | 2 | 2014 |
| HEXACHLOROBENZENE | MR | 2 | 2014 |
| Benzo(a)pyrene | MR | 2 | 2014 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2014 |
| ETHYLENE DIBROMIDE | MR | 2 | 2014 |
| Xylenes, Total | MR | 2 | 2014 |
| 1,1,2-Trichloroethane | MR | 2 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.