Is Bentonville, 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 Bentonville Water Utilities. 1 PFAS were detected below the limits.
4 public water systems serve parts of Bentonville. The largest, Bentonville Water Utilities, serves 51,250 people. Your water bill names your system.
Largest system
Bentonville Water Utilities
51,250 people · Purchased surface water · EPA ID AR0000041
Buys treated water from Beaver Water District.
| 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: 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.
Bentonville 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 Bentonville city (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Bentonville
- Bella Vista Poa Water System39,419 people · Purchased surface water · Arkansas · reported ZIPs hereTotal trihalomethanes (TTHM) violations
- Washington Water Authority Wwa20,140 people · Purchased surface water · Arkansas · reported ZIPs hereTotal trihalomethanes (TTHM) violations
- Benton County Water District #16,730 people · Purchased surface water · Arkansas · reported ZIPs hereTotal trihalomethanes (TTHM) violation
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Centerton 3 mi Centerton Waterworks | None above limits | 1 ppb |
| Rogers 6 mi Rogers Water Utilities | None above limits | 1 ppb |
| Bella Vista 8 mi Bella Vista Poa Water System | None above limits | 1.5 ppb |
| Springdale 12 mi Springdale Water Utilities | None above limits | 1 ppb |
| Fayetteville 20 mi Fayetteville Waterworks | None above limits | 1 ppb |
| Fort Smith 70 mi Fort Smith Water Utilities | None above limits | 1 ppb |
Bentonville ZIP codes (2)
- 72712
- 72713
Questions
Is Bentonville tap water safe to drink?
Bentonville Water Utilities 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 Bentonville, AR?
4 public water systems serve parts of Bentonville. The largest is Bentonville Water Utilities (51,250 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Bentonville tap water have PFAS?
Bentonville Water Utilities had 1 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.
Do Bentonville homes have lead pipes?
Census estimates put 10% of Bentonville 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. Bentonville Water Utilities'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.