EPHRATA WATER DEPARTMENT
PWSID: WA5323650 · Ephrata, WA · Serving 8,620 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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All PFAS compounds below EPA Maximum Contaminant Levels.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
25 ppt
Highest single detection
2025-06-24
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 290 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 9Cl-PF3ONS | ND | — | Below MRL | 2025-04-23 |
| ADONA | ND | — | Below MRL | 2025-04-23 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2025-04-23 |
| HFPO-DA | ND | 10 | Below MRL | 2025-04-23 |
| PFUnA | ND | — | Below MRL | 2025-04-23 |
Violation history(2 violations, all resolved)
Monitoring & Reporting - PFNA(PFNA)
2020-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2020-01-01 · Resolved · Tier 3
Violation details
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