Is Benton, AR 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 Benton Waterworks.
Benton Waterworks supplies Benton (30,681 people).
Water system
Benton Waterworks
30,681 people · Surface water · EPA ID AR0000484
| 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 (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Arkansas, 0 of 172 water systems EPA tested had PFAS above a 2024 federal limit, and 7 systems were above the lead action level in results from the last five years. Arkansas results.
Benton homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Benton city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Little Rock 16 mi Central Arkansas Water | None above limits | 1 ppb |
| North Little Rock 24 mi Central Arkansas Water | None above limits | 1 ppb |
| Hot Springs 28 mi Kimzey Regional Water District | None above limits | 1 ppb |
| Sherwood 28 mi Central Arkansas Water | None above limits | 1 ppb |
| Jacksonville 33 mi Central Arkansas Water | None above limits | 1 ppb |
| Conway 35 mi Conway Water System | None above limits | 1 ppb |
Benton ZIP codes (1)
- 72015
Questions
Is Benton tap water safe to drink?
Benton Waterworks has had no health-based violations 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 Benton, AR?
Benton Waterworks, which serves 30,681 people.
Does Benton tap water have PFAS?
None detected above EPA's reporting limits. Benton Waterworks 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 Benton homes have lead pipes?
Census estimates put 34% of Benton homes as built before 1980 (Arkansas: 40%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Benton Waterworks'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.