We found 34 public water systems in Shelby county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Alabaster Water Board | Alabaster | 38,361 | 60 | 49 |
| Shelby County Water System | Columbiana | 34,647 | 70 | 5 |
| Pelham Water Works | Pelham | 33,816 | 117 | 10 |
| Calera Water Works | Calera | 21,600 | 26 | 16 |
| Helena Utility Board | Helena | 18,900 | 76 | 21 |
| Columbiana Water Works | Columbiana | 10,881 | 80 | 55 |
| Westover Water Authority | Westover | 10,131 | 0 | 0 |
| Montevallo Water Works & Sewer | Montevallo | 9,399 | 0 | 26 |
| Spring Creek Water Authority | County of Shelby | 5,100 | 0 | 0 |
| Bethel Water System | Wilsonville | 3,951 | 0 | 2 |
| University Of Montevallo | County of Shelby | 3,200 | 0 | 0 |
| Sterrett-vandiver Water System | Sterrett | 2,970 | 0 | 8 |
| Wilton Water Works | Wilton | 2,862 | 0 | 22 |
| Vincent Water Works Board | Vincent | 2,820 | 0 | 8 |
| Wilsonville Water Works | Wilsonville | 2,370 | 0 | 0 |
| Harpersville Water System | Harpersville | 2,109 | 0 | 6 |
| Little Waxie Water Authority | Columbiana | 1,227 | 0 | 1 |
| Greenpark South Mobile Home Park | Pelham | 843 | 0 | 0 |
| Ebsco Industries | County of Shelby | 800 | 0 | 0 |
| Woodbrook Trail Apartments | County of Shelby | 600 | 0 | 0 |
| Alabama Power Co. - Gaston Steam Plant | Wilsonville | 411 | 0 | 0 |
| South Gate Mobile Home Park | Pelham | 327 | 0 | 2 |
| Indian Springs School | County of Shelby | 300 | 0 | 0 |
| Green Park South Mobile Home Park | Pelham | 240 | 0 | 2 |
| Street Trailer Park | County of Shelby | 129 | 0 | 0 |
| Seaman Timber Co., Inc | County of Shelby | 120 | 0 | 0 |
| Twin Pines Conference Center | County of Shelby | 50 | 0 | 0 |
| Double Oak Mt Rest Area | County of Shelby | 50 | 0 | 0 |
| Alabama Pick And Trade Llc | County of Shelby | 50 | 0 | 0 |
| Uab Center For Health Care | County of Shelby | 40 | 0 | 0 |
| Gurnee Mines-water Systems-inc | County of Shelby | 38 | 0 | 0 |
| Eagle Ridge Apartments | County of Shelby | 32 | 0 | 0 |
| Busy Bee Bbq | County of Shelby | 32 | 0 | 0 |
| Air Engineers, Inc. | County of Shelby | 30 | 0 | 0 |