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 C.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?

State average grade

C

70/100

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.

Grade distribution

A

2 (12%)

B

3 (18%)

C

7 (41%)

D

4 (24%)

F

1 (6%)

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	87	A
#2	CULLMAN COUNTY WATER DEPARTMENT	CULLMAN	56,628	85	A
#3	MADISON COUNTY WATER DEPARTMENT	HUNTSVILLE	119,100	82	B
#4	Birmingham Municipal Water System	Birmingham	200,000	76	B
#5	DOTHAN UTILITIES, CITY OF	DOTHAN	97,146	75	B
#6	TUSCALOOSA WATER & SEWER	TUSCALOOSA	166,524	72	C
#7	MONTGOMERY WW&SSB, CITY OF	MONTGOMERY	276,000	71	C
#8	DECATUR, MUNICIPAL UB OF	DECATUR	77,103	70	C
#9	HUNTSVILLE UTILITIES WATER DEPT.	HUNTSVILLE	310,107	69	C
#10	FAIRHOPE, CITY OF	FAIRHOPE	59,850	68	C
#11	AUBURN WATER WORKS	AUBURN	65,313	66	C
#12	FLORENCE WATER DEPARTMENT, CITY OF	FLORENCE	77,766	65	C
#13	BESSEMER WATER SERVICE	BESSEMER	86,091	64	D
#14	CENTRAL ALABAMA WATER SYSTEM	BIRMINGHAM	585,000	63	D
#15	MADISON, THE W & WW BOARD OF THE CITY OF	MADISON	54,114	63	D
#16	LIMESTONE COUNTY WATER & SEWER AUTH.	ATHENS	90,900	61	D
#17	MOBILE, BD. OF W&S COMM. OF THE CITY OF	MOBILE	279,000	53	F