CRESCENT BAR SYSTEM
PWS ID: WA5315950 · Ephrata, Washington 98823
Population Served
1,108
Total Violations
43
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 471
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 39
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 19 | 2014 |
| Diquat | MR | 5 | 2005 |
| Arsenic | MR | 4 | 2015 |
| Coliform (TCR) | MCL | 2 | 2006 |
| Revised Total Coliform Rule | MON | 1 | 2021 |
| Coliform (TCR) | MR | 1 | 1993 |
| Cadmium | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| ETHYLENE DIBROMIDE | MR | 1 | 2002 |
| Consumer Confidence Rule | Other | 1 | 2022 |
| Mercury | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.