Water Hardness in Mississippi (MS)
Mississippi has an average water hardness of 80 ppm (4.7 grains per gallon), which is classified as Slightly Hard . At this level, Mississippi residents experience minimal hard water issues. A water softener is generally not necessary, though some homeowners prefer the feel and cleaning performance of softened water. Water hardness varies between cities — from 35 ppm in Hattiesburg to 120 ppm in Southaven.
Water Hardness by City in Mississippi
The table below shows water hardness data for 8 cities in Mississippi, sorted from hardest to softest. Click any city name for detailed information including water source, treatment recommendations, and estimated hard water costs.
| City | Hardness (PPM) | Grains/Gallon | Level | Water Source | pH | TDS | Utility |
|---|---|---|---|---|---|---|---|
| Southaven | 120 ppm | 7 gpg | Slightly Hard | Ground | 7.5 | 185 | City of Southaven |
| Tupelo | 95 ppm | 5.6 gpg | Slightly Hard | Ground | 7.3 | 145 | Tupelo Water and Light |
| Oxford | 75 ppm | 4.4 gpg | Slightly Hard | Ground | 7.2 | 115 | City of Oxford Utilities Commission |
| Biloxi | 60 ppm | 3.5 gpg | Soft | Ground | 7.2 | 90 | City of Biloxi |
| Gulfport | 55 ppm | 3.2 gpg | Soft | Ground | 7.2 | 82 | City of Gulfport |
| Meridian | 50 ppm | 2.9 gpg | Soft | Ground | 7.1 | 75 | City of Meridian Public Utilities |
| Jackson | 40 ppm | 2.3 gpg | Soft | Surface | 7.1 | 62 | City of Jackson Water and Sewer |
| Hattiesburg | 35 ppm | 2 gpg | Soft | Ground | 7 | 55 | City of Hattiesburg Public Works |
Understanding Water Hardness in Mississippi
Water Sources in Mississippi
Many cities in Mississippi rely on groundwater from wells and aquifers as their primary water source. Groundwater tends to be harder than surface water because it spends more time in contact with limestone, dolomite, and other mineral-rich rock formations deep underground. This prolonged contact allows more calcium and magnesium to dissolve into the water, resulting in higher hardness levels.
Hardness Variation Across Mississippi
Water hardness in Mississippi ranges from 35 ppm in Hattiesburg to 120 ppm in Southaven — a difference of 85 ppm. This variation means that treatment recommendations differ significantly between cities. Even the hardest water in Mississippi is moderate enough that a water softener is optional rather than essential, though homeowners who value spotless dishes and softer-feeling water may still find one worthwhile. Meanwhile, Hattiesburg enjoys naturally soft water that needs no treatment at all — an advantage that saves residents money on both equipment and ongoing maintenance.
Recommended Treatment for Mississippi Water
Based on the average water hardness of 80 ppm in Mississippi, a water softener is not strictly necessary, but some homeowners may prefer treated water. The most effective treatment options for Mississippi's water hardness level include:
- Ion Exchange Filter Pitcher ($30 - $60) — Removes hardness minerals. Moderately effective.
- Electronic Descaler ($150 - $400) — Conditions water without removing minerals. Moderately effective.
How Mississippi Compares to Other States
Below is a comparison of Mississippi with five states that have similar average water hardness levels. Understanding how your state compares can help you gauge whether your water is typical for the region or unusually hard or soft.
| State | Avg Hardness | Level | Cities |
|---|---|---|---|
| Mississippi (MS) | 80 ppm | Slightly Hard | 8 |
| Georgia (GA) | 75 ppm | Slightly Hard | 9 |
| Virginia (VA) | 85 ppm | Slightly Hard | 9 |
| Alaska (AK) | 65 ppm | Slightly Hard | 7 |
| New York (NY) | 65 ppm | Slightly Hard | 10 |
| Alabama (AL) | 100 ppm | Slightly Hard | 8 |
Find Your City's Water Hardness
Use our water hardness lookup tool to find your specific city in Mississippi, or browse all 50 states to compare water hardness across the country. If your water is hard, visit our treatment solutions guide to find the right softener or conditioner for your home.