TENNANT C.S.D.
PWS ID: CA4700531 · MACDOEL, California 96058
Population Served
75
Total Violations
36
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 102
- County
- Siskiyou
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 4
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 4 | 1994 |
| Revised Total Coliform Rule | TT | 2 | 2018 |
| Lead and Copper Rule | MR | 2 | 2023 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.