MIDDLE FORK WATER & SEWER
PWS ID: WA5300315 · Chehalis, Washington 98532
Population Served
144
Total Violations
289
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 61
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 288
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Diquat | MR | 30 | 2008 |
| Nitrate | MR | 12 | 2008 |
| cis-1,2-Dichloroethylene | MR | 9 | 2010 |
| 1,2-Dichloroethane | MR | 9 | 2010 |
| 1,1,1-Trichloroethane | MR | 9 | 2010 |
| Carbon tetrachloride | MR | 9 | 2010 |
| Trichloroethylene | MR | 9 | 2010 |
| CHLOROBENZENE | MR | 9 | 2010 |
| Benzene | MR | 9 | 2010 |
| Ethylbenzene | MR | 9 | 2010 |
| Styrene | MR | 9 | 2010 |
| p-Dichlorobenzene | MR | 9 | 2010 |
| 1,2-Dichloropropane | MR | 9 | 2010 |
| 1,2,4-Trichlorobenzene | MR | 9 | 2010 |
| 1,1-Dichloroethylene | MR | 9 | 2010 |
| 1,1,2-Trichloroethane | MR | 9 | 2010 |
| Toluene | MR | 9 | 2010 |
| Vinyl chloride | MR | 9 | 2010 |
| trans-1,2-Dichloroethylene | MR | 9 | 2010 |
| o-Dichlorobenzene | MR | 9 | 2010 |
| Tetrachloroethylene | MR | 9 | 2010 |
| DICHLOROMETHANE | MR | 9 | 2010 |
| Pentachlorophenol | MR | 6 | 2008 |
| Simazine | MR | 3 | 2008 |
| LASSO | MR | 3 | 2008 |
| Picloram | MR | 3 | 2008 |
| Methoxychlor | MR | 3 | 2008 |
| Endrin | MR | 3 | 2008 |
| Benzo(a)pyrene | MR | 3 | 2008 |
| 2,4,5-TP | MR | 3 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.