Hardest Water in Mississippi
11 cities ranked by water hardness. Gulfport tops the list at 107 PPM.
Mississippi's water hardness varies significantly by city and water source. The state average across our database is 54 PPM, which is relatively soft. Most homes do not need a water softener. 0% of cities we track in Mississippi have hardness above 120 PPM.
Jackson Downtown has the softest water at just 15 PPM. No softener is needed.
| # | City | PPM | GPG | Level | Softener? |
|---|---|---|---|---|---|
| 1 | Gulfport | 107 | 6.3 | Moderately Hard | Optional |
| 2 | Biloxi | 100 | 5.8 | Moderately Hard | Optional |
| 3 | Jackson | 60 | 3.5 | Moderately Hard | Optional |
| 4 | Southaven | 55 | 3.2 | Slightly Hard | No |
| 5 | Pearl | 55 | 3.2 | Slightly Hard | No |
| 6 | Hattiesburg | 53 | 3.1 | Slightly Hard | No |
| 7 | Olive Branch | 50 | 2.9 | Slightly Hard | No |
| 8 | Tupelo | 45 | 2.6 | Slightly Hard | No |
| 9 | Oxford | 30 | 1.8 | Slightly Hard | No |
| 10 | Madison | 20 | 1.2 | Slightly Hard | No |
| 11 | Jackson Downtown | 15 | 0.9 | Soft | No |
Frequently Asked Questions
What is the average water hardness in Mississippi?
Across 11 cities in our database, the average water hardness in Mississippi is 54 PPM (3.2 GPG). This ranges from 15 PPM in Jackson Downtown to 107 PPM in Gulfport.
Do I need a water softener in Mississippi?
It depends on your city. 0% of Mississippi cities in our database (0 of 11) have hardness above 120 PPM where a softener provides measurable benefit. Check your specific city above.
Which Mississippi city has the softest water?
Jackson Downtown has the softest water in Mississippi at 15 PPM (0.9 GPG). No water softener is needed at this level.
What causes hard water in Mississippi?
Hard water in Mississippi 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.