Arkansas Water Quality Report
Tap water quality data for 4 cities in Arkansas, updated 2026.
US average: 100 ppm
4 of 4 cities violation-free
4 cities tested
4 water systems tracked
Cleanest Tap Water in Arkansas
Cities with the fewest water quality issues
No cities in Arkansas have recorded water quality violations in the past 3 years.
Water Hardness Across Arkansas
Not sure what your hardness means? Use our Water Hardness Calculator or find the best hardness test kits.
Arkansas Tap Water: What You Need to Know
Arkansas has 4 tracked water utilities serving approximately 924K residents. The average water hardness is 84 ppm (4.9 GPG), classified as Moderately Hard — below the national average of 100 ppm. Hardness ranges from 42.4 ppm in Central Arkansas to 124 ppm in Springdale.
No cities in Arkansas have recorded water quality violations in the past 3 years — an excellent compliance record. All 4 tested cities have lead levels below the EPA action level of 15 ppb.
Frequently Asked Questions About Arkansas Water
Is tap water safe to drink in Arkansas?
Based on available EPA data, no cities in Arkansas have recorded water quality violations in the past 3 years. However, water quality can vary by building — older homes may have lead pipes. Consider testing your water at home for complete peace of mind.
How hard is the water in Arkansas?
Arkansas's average water hardness is 84 ppm (4.9 GPG), classified as Moderately Hard. This is below the national average of 100 ppm. Hardness varies significantly by city — use our Water Hardness Calculator to check your specific area.
Which city in Arkansas has the cleanest tap water?
Based on EPA violation data, lead testing, and water quality metrics, Central Arkansas ranks as having the cleanest tap water in Arkansas. It has zero violations in the past 3 years and lead levels well below the EPA action level.
Where does Arkansas get its water from?
The majority of Arkansas's water systems (75%) use surface water as their primary source. Surface water comes from rivers, lakes, and reservoirs. Each city's specific source can vary — check individual city reports for details.
All 4 Cities
Sorted by population served
Central Arkansas
Utility serves 370K
Jonesboro
Utility serves 240K
Springdale
Utility serves 198K
Fayetteville
Utility serves 116K