ENDICOTT WATER DEPT
PWS ID: WA5323400 · Endicott, Washington 99125
Population Served
488
Total Violations
122
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 187
- County
- Whitman
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 107
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 8 | 2006 |
| Nitrate | MCL | 7 | 2006 |
| Coliform (TCR) | MCL | 5 | 1993 |
| Toxaphene | MR | 3 | 2020 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2020 |
| Simazine | MR | 3 | 2020 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2020 |
| Hexachlorocyclopentadiene | MR | 3 | 2020 |
| LASSO | MR | 3 | 2020 |
| Heptachlor | MR | 3 | 2020 |
| Benzo(a)pyrene | MR | 3 | 2020 |
| Endrin | MR | 3 | 2020 |
| Methoxychlor | MR | 3 | 2020 |
| BHC-GAMMA | MR | 3 | 2020 |
| Atrazine | MR | 3 | 2020 |
| Heptachlor epoxide | MR | 3 | 2020 |
| Coliform (TCR) | MR | 3 | 1992 |
| Chlordane | MR | 3 | 2020 |
| HEXACHLOROBENZENE | MR | 3 | 2020 |
| Pentachlorophenol | MR | 2 | 2008 |
| Barium | MR | 2 | 2014 |
| Cadmium | MR | 2 | 2014 |
| Fluoride | MR | 2 | 2014 |
| Mercury | MR | 2 | 2014 |
| Selenium | MR | 2 | 2014 |
| Arsenic | MR | 2 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2016 |
| Chromium | MR | 2 | 2014 |
| Dalapon | MR | 1 | 2008 |
| Dinoseb | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.