Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Mississippi Water Quality Ratings

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

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
B
81/100
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.

Grade distribution

A
3 (75%)
B
0 (0%)
C
0 (0%)
D
1 (25%)
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 GULFPORT GULFPORT 75,056 88 A
#2 CITY OF OLIVE BRANCH OLIVE BRANCH 54,025 87 A
#3 CITY OF SOUTHAVEN SOUTHAVEN 56,000 87 A
#4 CITY OF JACKSON JACKSON 189,673 61 D