DEER PARK CITY OF
PWSID: WA5318500 · Deer Park, WA · Serving 5,045 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
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
7.5 ppt
Highest single detection
2024-09-24
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 464 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFOS | ND | 4 | Below MRL | 2024-09-24 |
| NFDHA | ND | — | Below MRL | 2024-03-19 |
| PFPeS | ND | — | Below MRL | 2024-03-19 |
| PFHpS | ND | — | Below MRL | 2024-03-19 |
| PFDoA | ND | — | Below MRL | 2024-03-19 |
Violation history(6 violations, all resolved)
Monitoring & Reporting - PFOA(PFOA)
2018-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2018-07-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2018-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2018-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2018-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2018-07-01 · Resolved · Tier 3
Violation details
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