KALISPELL PUBLIC WORKS
PWSID: MT0000259 · KALISPELL, MT · Serving 25,000 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
6.6 ppt
Highest single detection
2023-07-18
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 464 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 4:2 FTS | ND | — | Below MRL | 2023-07-18 |
| NEtFOSAA | ND | — | Below MRL | 2023-01-30 |
| PFHpA | ND | — | Below MRL | 2023-01-30 |
| PFTA | ND | — | Below MRL | 2023-01-30 |
| NMeFOSAA | ND | — | Below MRL | 2023-01-30 |
Violation history(7 violations, all resolved)
Monitoring & Reporting - PFOA(PFOA)
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2020-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA
Violation details
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