SANTIAGO WATER ASSOCIATION
PWS ID: 105300081 · TAHOLAH, 10 98587
Population Served
95
Total Violations
126
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 73
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 86
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 38 | 2015 |
| Chlorine | MR | 23 | 2024 |
| Consumer Confidence Rule | Other | 21 | 2016 |
| Revised Total Coliform Rule | RPT | 8 | 2024 |
| Groundwater Rule | TT | 6 | 2014 |
| Nitrate | MR | 3 | 2012 |
| TTHM | MR | 3 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2017 |
| Lead and Copper Rule | MR | 2 | 2020 |
| Coliform (TCR) | MCL | 2 | 2015 |
| Arsenic | MR | 2 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2017 |
| Combined Uranium | MR | 1 | 2017 |
| Revised Total Coliform Rule | MON | 1 | 2023 |
| Glyphosate | MR | 1 | 2008 |
| Endothall | MR | 1 | 2008 |
| E. COLI | MR | 1 | 2016 |
| 2,3,7,8-TCDD | MR | 1 | 2008 |
| Diquat | MR | 1 | 2008 |
| Asbestos | MR | 1 | 2008 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2008 |
| ETHYLENE DIBROMIDE | MR | 1 | 2008 |
| Combined Radium (-226 and -228) | MR | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.