Is Clifton Park, NY tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Clifton Park Water Authority. 1 PFAS were detected below the limits.
4 public water systems serve parts of Clifton Park. The largest, Clifton Park Water Authority, serves 35,000 people. Your water bill names your system.
Largest system
Clifton Park Water Authority
35,000 people · Purchased surface water · EPA ID NY4500175
Buys treated water from Glenville Water District #11, Halfmoon Water District (TROY), Burnt Hills-Ballston Lake Water District, Saratoga County Water Authority.
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 1 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 1
Across New York, 31 of 322 water systems EPA tested had PFAS above a 2024 federal limit, and 16 systems were above the lead action level in results from the last five years. New York results.
Clifton Park homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Clifton Park town (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Clifton Park
- Charlton Water District (Glenville)2,000 people · Purchased groundwater · New York · lists this cityNot in EPA's PFAS sample
- Parkwood Village Apartments Water System400 people · Groundwater · New York · lists this cityNot in EPA's PFAS sample
- Cpwa Route 146A Ballston Water District60 people · Purchased surface water · New York · lists this cityNot in EPA's PFAS sample
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Halfmoon 5 mi Halfmoon Water District (TROY) | None above limits | 2.4 ppb |
| Schenectady 7 mi Schenectady City Water Works | None above limits | 3 ppb |
| Colonie 8 mi Latham Water District | None above limits | 2 ppb |
| Glenville 9 mi Glenville Water District #11 | None above limits | 4.1 ppb |
| Rotterdam 10 mi Rotterdam Water District #5 | None above limits | 0.83 ppb |
| Troy 11 mi Troy City Public Water System | None above limits | 110 ppb |
Clifton Park ZIP codes (4)
- 12019
- 12065
- 12148
- 12151
Questions
Is Clifton Park tap water safe to drink?
Clifton Park Water Authority had 1 health-based violation since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Clifton Park, NY?
4 public water systems serve parts of Clifton Park. The largest is Clifton Park Water Authority (35,000 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Clifton Park tap water have PFAS?
Clifton Park Water Authority had 1 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.
Do Clifton Park homes have lead pipes?
Census estimates put 46% of Clifton Park homes as built before 1980 (New York: 74%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Clifton Park Water Authority's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.