Arkansas drinking water quality
Arkansas has 998 active public water systems serving 3.1 million people. 444 of them, 44%, had at least one EPA violation in the past three years, 244 have an unresolved violation today, and 8 are designated serious violators by the EPA.
Active systems
998
in 75 counties
People served
3.1M
658 community systems serve 3.1M
Violations, past 3 years
444
44% of active systems
Serious violators
8
55 systems carry a health flag
Largest counties
All 75 countiesLargest community water systems
All 998 systems| System | Serves | Status |
|---|---|---|
| Central Arkansas Water Pulaski County |
368,455 | |
| Fayetteville Waterworks Washington County |
116,398 | |
| Springdale Water Utilities Benton County |
100,795 | |
| Fort Smith Water Utilities Sebastian County |
86,209 | |
| Jonesboro Water System Craighead County |
81,888 | |
| Rogers Water Utilities Benton County |
81,443 | |
| Hot Springs Utilities Garland County |
75,343 | |
| Conway Water System Faulkner County |
65,233 | |
| Bentonville Water Utilities Benton County |
51,250 | |
| Texarkana Water Utilities Miller County |
50,815 |
About the Arkansas data
Retrieved from EPA ECHO on Oct 11, 2026. EPA records for Arkansas systems do not include town names, so searches here match on ZIP code, street address, or county.