PRESTON CITY OF
PWSID: ID6210014 · PRESTON, ID · Serving 5,591 people
Type: CWSOwner: LSource: GW
Compliant
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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N/A ppt
Highest single detection
2025-07-16
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFTA | ND | — | Below MRL | 2025-01-21 |
| NFDHA | ND | — | Below MRL | 2025-01-21 |
| PFEESA | ND | — | Below MRL | 2025-01-21 |
| PFMBA | ND | — | Below MRL | 2025-01-21 |
| PFPeA | ND | — | Below MRL | 2025-01-21 |
Violation history(7 violations, all resolved)
Monitoring & Reporting - PFOA(PFOA)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS
Violation details
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