PFAS in tap water, Clifton Park town/township, New York
The water system here had a PFAS-4 compound above the 3 to 4 ng/L reporting limits at the latest sample. That's below the lab limit, not zero.
Clifton Park town/township is served by 1 community water system · 35,000 people served
Water systems serving Clifton Park town/township
| Water system | People served | PFAS-4 at the latest sample | Entry points | Latest sample |
|---|---|---|---|---|
| Clifton Park Water Authority | 35,000 | below the 3 to 4 ng/L reporting limit | 6 | January 17, 2024 |
| Crossings, the (Halfmoon WD) non-transient non-community water system | 950 | monitored under UCMR 5, no page | ||
The systems report their own service areas to EPA. Check your water bill or your utility's Consumer Confidence Report.
Census county subdivision "Clifton Park town", matched from the city rows the system reports to SDWIS.
County
How to read these numbers
We compare PFAS-4 (PFOA + PFOS + PFNA + PFHxS) with this site's 0.5 ng/L benchmark, the same line as on the European pages. UCMR 5 reporting limits are 3 to 4 ng/L. So any quantified PFAS-4 compound is above the benchmark, and a clean result reads "below the 3 to 4 ng/L reporting limit", never zero. The US legal limit is the 4 ng/L federal MCL for PFOA and PFOS, which systems must meet from April 26, 2029 ("above the 2029 federal MCL").
EPA: "UCMR 5 results do not indicate compliance or noncompliance with the PFAS drinking water standards". Samples are taken where water enters the distribution system, not at your tap. A system may have changed sources or added treatment since. Source: U.S. Environmental Protection Agency (EPA), Office of Water, PFAS National Primary Drinking Water Regulation (NPDWR). Regulation details retrieved September 19, 2026. Every system page tracks the 2029 compliance date and the proposed rescission of the PFHxS, PFNA, HFPO-DA and Hazard Index limits.
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.