Mississippi Water Quality Ratings

TapWaterSafety has rated 4 public water systems in Mississippi, serving a combined 374,754 residents. The statewide average grade is C.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
C
78/100
Total utilities rated 4
Population served 374,754

Top water quality concerns in Mississippi

  • Radium, combined (-226 and -228) significantly above health guideline
  • Haloacetic acids (HAA9) significantly above health guideline
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline
  • Arsenic detected

Cities in Mississippi

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

GULFPORT
C 75,056
JACKSON
D 189,673
OLIVE BRANCH
B 54,025
SOUTHAVEN
B 56,000

Grade distribution

A
1 (25%)
B
2 (50%)
C
1 (25%)
D
0 (0%)
F
0 (0%)

All rated utilities in Mississippi

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 CITY OF OLIVE BRANCH OLIVE BRANCH 54,025 86 A
#2 CITY OF SOUTHAVEN SOUTHAVEN 56,000 84 B
#3 CITY OF GULFPORT GULFPORT 75,056 77 B
#4 CITY OF JACKSON JACKSON 189,673 67 C