Safest Drinking Water in Mississippi 2026
Mississippi has 5 public water systems serving 418,203 people. The safest system is City of Gulfport in Gulfport with a score of 100/100.
Top 5 Water Systems in Mississippi
| # | Water System | City | Pop. Served | Source | Violations | Score |
|---|---|---|---|---|---|---|
| 1 | City of Gulfport | Gulfport | 75,056 | Ground water | 0 | A (100) |
| 2 | City of Southaven | Southaven | 56,000 | Ground water | 0 | B (88) |
| 3 | City of Olive Branch | Olive Branch | 54,025 | Ground water | 0 | B (80) |
| 4 | City of Hattiesburg | Hattiesburg | 43,449 | Ground water | 0 | B (80) |
| 5 | City of Jackson | Jackson | 189,673 | Surface water | 100 | F (0) |
Water quality data for Mississippi is sourced from the EPA Safe Drinking Water Information System (SDWIS), which tracks compliance for all public water systems.
Frequently Asked Questions
City of Gulfport in Gulfport has the highest Water Safety Score in Mississippi at 100/100 (Grade A), serving 75,056 people.
Mississippi has 5 public water systems serving 418,203 people. The average Water Safety Score is 70/100.
The Water Safety Score (0-100) is based on health violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Higher scores mean cleaner, safer water.
Water Safety Score: health violations (40%), contaminant exceedances (30%), enforcement history (20%), monitoring violations (10%).