LEAVENWORTH CITY OF
PWS ID: WA5346500 · Leavenworth, Washington 98826
Population Served
9,218
Total Violations
68
Health-Based Violations
15
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,407
- County
- Chelan
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 53
- Treatment Tech Violations
- 15
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 15 | 1996 |
| Diquat | MR | 5 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 2 | 2007 |
| cis-1,2-Dichloroethylene | MR | 2 | 2007 |
| o-Dichlorobenzene | MR | 2 | 2007 |
| p-Dichlorobenzene | MR | 2 | 2007 |
| 1,1-Dichloroethylene | MR | 2 | 2007 |
| trans-1,2-Dichloroethylene | MR | 2 | 2007 |
| 1,2-Dichloroethane | MR | 2 | 2007 |
| 1,2-Dichloropropane | MR | 2 | 2007 |
| Trichloroethylene | MR | 2 | 2007 |
| Benzene | MR | 2 | 2007 |
| TTHM | MR | 2 | 2015 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2015 |
| Surface Water Treatment Rule | MR | 2 | 1999 |
| Vinyl chloride | MR | 2 | 2007 |
| DICHLOROMETHANE | MR | 2 | 2007 |
| Styrene | MR | 2 | 2007 |
| Carbon tetrachloride | MR | 2 | 2007 |
| CHLOROBENZENE | MR | 2 | 2007 |
| Toluene | MR | 2 | 2007 |
| Ethylbenzene | MR | 2 | 2007 |
| Tetrachloroethylene | MR | 2 | 2007 |
| 1,1,2-Trichloroethane | MR | 2 | 2007 |
| 1,1,1-Trichloroethane | MR | 2 | 2007 |
| Nitrate | MR | 1 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.