Is De Witt, 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 DeWitt Water District – South.
2 public water systems serve parts of De Witt. The largest, DeWitt Water District – South, serves 16,200 people. Your water bill names your system.
Largest system
DeWitt Water District – South
16,200 people · Purchased surface water · EPA ID NY3304343
Buys treated water from Onondaga County Water Authority, City of Syracuse.
| 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: 3 ppb at the 90th percentile (Dec 2025, 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.
De Witt 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 De Witt town (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving De Witt
- DeWitt Water District – North13,600 people · Purchased surface water · New York · lists this cityNo PFAS above limits
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Syracuse 4 mi Onondaga County Water Authority | None above limits | 8 ppb |
| Clay 11 mi Clay Water District | None above limits | 4 ppb |
| Auburn 26 mi Auburn Water System | None above limits | 1.17 ppb |
| Rome 32 mi Rome City Water System | None above limits | 5 ppb |
| Utica 43 mi Mohawk Valley Water Authority | None above limits | 9 ppb |
| Perinton 68 mi Monroe County Water Authority | None above limits | 5 ppb |
De Witt ZIP codes (6)
- 13057
- 13066
- 13206
- 13211
- 13214
- 13224
Questions
Is De Witt tap water safe to drink?
DeWitt Water District – South 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 De Witt, NY?
2 public water systems serve parts of De Witt. The largest is DeWitt Water District – South (16,200 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does De Witt tap water have PFAS?
None detected above EPA's reporting limits. DeWitt Water District – South had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do De Witt homes have lead pipes?
Census estimates put 76% of De Witt 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. DeWitt Water District – South'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.