We found 33 public water systems that could serve the same population as Coker Water Authority (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Tuscaloosa Water & Sewer | Tuscaloosa | 172,767 | 45 | 6 |
| Northport Water Works | Northport | 40,551 | 17 | 1 |
| Carrolls Creek Water Authority | Northport | 13,443 | 24 | 1 |
| Citizens Water Service, Inc. | Brookwood | 10,950 | 0 | 6 |
| Mitchell Water System Inc | Tuscaloosa | 9,000 | 0 | 1 |
| Fosters-ralph Water Authority | Ralph | 5,985 | 0 | 1 |
| Englewood-hulls Water System, Inc. | Tuscaloosa | 4,950 | 0 | 1 |
| Coaling Water Authority | Coaling | 3,714 | 0 | 2 |
| Sand Springs Water Authority | Northport | 3,051 | 0 | 0 |
| Buhl, Elrod & Holman Water Authority | Buhl | 3,000 | 0 | 1 |
| Peterson Water System | Peterson | 2,019 | 0 | 3 |
| Walker-northside School | County of Tuscaloosa | 840 | 0 | 0 |
| Jim Walter Blue Creek #4 | County of Tuscaloosa | 744 | 0 | 0 |
| Jim Walter Blue Creek Mine # 7 | County of Tuscaloosa | 600 | 0 | 0 |
| Camp Partlow | County of Tuscaloosa | 200 | 0 | 0 |
| Buhl Elementary | Buhl | 164 | 0 | 0 |
| International Paper Co/ Tuskalusa Lumber | County of Tuscaloosa | 156 | 0 | 0 |
| Camp Horne Boy Scouts Of America | County of Tuscaloosa | 150 | 0 | 0 |
| Jim Walter Blue Creek #5 | County of Tuscaloosa | 114 | 0 | 0 |
| Champion International | County of Tuscaloosa | 105 | 0 | 0 |
| Brackner Truck Stop | County of Tuscaloosa | 100 | 0 | 0 |
| Weeks 97 Truck Stop | County of Tuscaloosa | 100 | 0 | 0 |
| Cove Mobile Home Park | County of Tuscaloosa | 67 | 0 | 0 |
| Lakefront Trailer Court | County of Tuscaloosa | 60 | 0 | 0 |
| Parker Mobile Park | County of Tuscaloosa | 42 | 0 | 0 |
| Pine Terrace Trailer Park | County of Tuscaloosa | 36 | 0 | 0 |
| Lock 17/ Bw&t Army Corps Of Engineers | County of Tuscaloosa | 32 | 0 | 0 |
| Rocky Branch #4/holt Rev. | County of Tuscaloosa | 32 | 0 | 0 |
| Holiday Beach | County of Tuscaloosa | 32 | 0 | 0 |
| Buckville (i-59 & 216) Chevron | County of Tuscaloosa | 32 | 0 | 0 |
| Bama Ice | County of Tuscaloosa | 32 | 0 | 0 |
| Ski Lodge Apartments | County of Tuscaloosa | 32 | 0 | 0 |
| Manascos Restaurant | Berry | 25 | 0 | 0 |