NEW POST
PWS ID: 055295301 · HAYWARD, 05 54843
Population Served
150
Total Violations
166
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 51
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 160
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 10 | 2024 |
| Coliform (TCR) | MR | 7 | 2012 |
| Nitrate | MR | 4 | 2010 |
| Barium | MR | 3 | 2020 |
| Cadmium | MR | 3 | 2020 |
| Chromium | MR | 3 | 2020 |
| CYANIDE | MR | 3 | 2020 |
| Nickel | MR | 3 | 2020 |
| Beryllium, Total | MR | 3 | 2020 |
| Thallium, Total | MR | 3 | 2020 |
| BHC-GAMMA | MR | 3 | 2020 |
| Dalapon | MR | 3 | 2020 |
| Diquat | MR | 3 | 2020 |
| Endothall | MR | 3 | 2020 |
| Glyphosate | MR | 3 | 2020 |
| OXAMYL | MR | 3 | 2020 |
| Picloram | MR | 3 | 2020 |
| Dinoseb | MR | 3 | 2020 |
| Hexachlorocyclopentadiene | MR | 3 | 2020 |
| Aldicarb sulfoxide | MR | 3 | 2020 |
| Aldicarb sulfone | MR | 3 | 2020 |
| Carbofuran | MR | 3 | 2020 |
| Aldicarb | MR | 3 | 2020 |
| Heptachlor | MR | 3 | 2020 |
| Heptachlor epoxide | MR | 3 | 2020 |
| 2,4,5-TP | MR | 3 | 2020 |
| 2,4-D | MR | 3 | 2020 |
| Benzo(a)pyrene | MR | 3 | 2020 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2020 |
| ETHYLENE DIBROMIDE | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.