Hardest Water in Arkansas
13 cities ranked by water hardness. Fayetteville tops the list at 98 PPM.
Arkansas's water hardness varies significantly by city and water source. The state average across our database is 51 PPM, which is relatively soft. Most homes do not need a water softener. 0% of cities we track in Arkansas have hardness above 120 PPM.
Pine Bluff has the softest water at just 22 PPM. No softener is needed.
| # | City | PPM | GPG | Level | Softener? |
|---|---|---|---|---|---|
| 1 | Fayetteville | 98 | 5.7 | Moderately Hard | Optional |
| 2 | Benton | 90 | 5.3 | Moderately Hard | Optional |
| 3 | Rogers | 85 | 5 | Moderately Hard | Optional |
| 4 | Bentonville | 80 | 4.7 | Moderately Hard | Optional |
| 5 | Springdale | 64 | 3.7 | Moderately Hard | Optional |
| 6 | Jonesboro | 49 | 2.9 | Slightly Hard | No |
| 7 | Fort Smith | 41 | 2.4 | Slightly Hard | No |
| 8 | Conway | 30 | 1.8 | Slightly Hard | No |
| 9 | Little Rock West | 30 | 1.8 | Slightly Hard | No |
| 10 | Cabot | 28 | 1.6 | Slightly Hard | No |
| 11 | North Little Rock | 25 | 1.5 | Slightly Hard | No |
| 12 | Little Rock | 24 | 1.4 | Slightly Hard | No |
| 13 | Pine Bluff | 22 | 1.3 | Slightly Hard | No |
Frequently Asked Questions
What is the average water hardness in Arkansas?
Across 13 cities in our database, the average water hardness in Arkansas is 51 PPM (3.0 GPG). This ranges from 22 PPM in Pine Bluff to 98 PPM in Fayetteville.
Do I need a water softener in Arkansas?
It depends on your city. 0% of Arkansas cities in our database (0 of 13) have hardness above 120 PPM where a softener provides measurable benefit. Check your specific city above.
Which Arkansas city has the softest water?
Pine Bluff has the softest water in Arkansas at 22 PPM (1.3 GPG). No water softener is needed at this level.
What causes hard water in Arkansas?
Hard water in Arkansas is caused by dissolved calcium and magnesium from the local geology. Most of the state has favorable geology with granite, metamorphic, or volcanic rock that contributes minimal dissolved minerals.