Alabama Water Quality Ratings

TapWaterSafety has rated 17 public water systems in Alabama, serving a combined 2,657,288 residents. The statewide average grade is D.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
D
61/100
Total utilities rated 17
Population served 2,657,288
Most recent test 2024

Top water quality concerns in Alabama

  • Haloacetic acids (HAA9) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline
  • PFAS contamination
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Perfluorohexane sulfonate (PFHXS) significantly above health guideline

Cities in Alabama

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

ANNISTON
C 56,646
ATHENS
F 90,900
AUBURN
F 65,313
BESSEMER
F 86,091
BIRMINGHAM
F 585,000
Birmingham
D 200,000
CULLMAN
C 56,628
DECATUR
F 77,103
DOTHAN
C 97,146
FAIRHOPE
F 59,850
FLORENCE
F 77,766
HUNTSVILLE
D 429,207
MADISON
F 54,114
MOBILE
F 279,000
MONTGOMERY
F 276,000
TUSCALOOSA
D 166,524

Grade distribution

A
0 (0%)
B
2 (12%)
C
4 (24%)
D
8 (47%)
F
3 (18%)

All rated utilities in Alabama

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

Rank Utility City Population Score Grade
#1 ANNISTON ALABAMA, THE WWSB OF THE CITY O ANNISTON 56,646 77 B
#2 CULLMAN COUNTY WATER DEPARTMENT CULLMAN 56,628 76 B
#3 DOTHAN UTILITIES, CITY OF DOTHAN 97,146 73 C
#4 MADISON COUNTY WATER DEPARTMENT HUNTSVILLE 119,100 71 C
#5 TUSCALOOSA WATER & SEWER TUSCALOOSA 166,524 67 C
#6 Birmingham Municipal Water System Birmingham 200,000 67 C
#7 FAIRHOPE, CITY OF FAIRHOPE 59,850 59 D
#8 BESSEMER WATER SERVICE BESSEMER 86,091 59 D
#9 MONTGOMERY WW&SSB, CITY OF MONTGOMERY 276,000 57 D
#10 CENTRAL ALABAMA WATER SYSTEM BIRMINGHAM 585,000 55 D
#11 FLORENCE WATER DEPARTMENT, CITY OF FLORENCE 77,766 55 D
#12 LIMESTONE COUNTY WATER & SEWER AUTH. ATHENS 90,900 55 D
#13 HUNTSVILLE UTILITIES WATER DEPT. HUNTSVILLE 310,107 55 D
#14 DECATUR, MUNICIPAL UB OF DECATUR 77,103 55 D
#15 AUBURN WATER WORKS AUBURN 65,313 53 F
#16 MADISON, THE W & WW BOARD OF THE CITY OF MADISON 54,114 53 F
#17 MOBILE, BD. OF W&S COMM. OF THE CITY OF MOBILE 279,000 48 F