CITY OF WILLIS
PWSID: TX1700003 · WILLIS, TX · Serving 9,867 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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199 ppt
Highest single detection
2025-06-30
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 87 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFNA | ND | 10 | Below MRL | 2025-06-30 |
| PFHpS | ND | — | Below MRL | 2025-06-30 |
| 8:2 FTS | ND | — | Below MRL | 2025-06-30 |
| 4:2 FTS | ND | — | Below MRL | 2025-06-30 |
| 6:2 FTS | ND | — | Below MRL | 2025-06-30 |
Violation history(5 violations, 5 open)
Monitoring & Reporting - PFOS(PFOS)
2021-01-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2021-01-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2021-01-01 · Open · Tier 3
Monitoring & Reporting - Hazard Index PFAS(Hazard Index PFAS)
2021-01-01 · Open · Tier 3
Monitoring & Reporting - Hazard Index PFAS(Hazard Index PFAS)
2021-01-01 · Open · Tier 3
Violation details
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