HERITAGE HILLS WATER SYSTEM
PWSID: NY5917221 · WEST NYACK, NY · Serving 4,700 people
Type: CWSOwner: PSource: GW
Exceeds 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
Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.
Upgrade to ProDetection summary
6.6 ppt
Highest single detection
2024-08-19
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFUnA | ND | — | Below MRL | 2024-08-19 |
| HFPO-DA | ND | 10 | Below MRL | 2024-02-20 |
| NMeFOSAA | ND | — | Below MRL | 2024-02-20 |
| NEtFOSAA | ND | — | Below MRL | 2024-02-20 |
| 6:2 FTS | ND | — | Below MRL | 2024-02-20 |
Violation history(18 violations, all resolved)
Monitoring & Reporting - Hazard Index PFAS(Hazard Index PFAS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFOA(PFOA)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2017-04-01 · Resolved · Tier 3
Violation details
Upgrade to Pro to view full violation history, enforcement actions, and resolution status.
Upgrade to Pro