We found 36 public water systems that could serve the same population as Port Allen Water System (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| West Baton Rouge Water Works District 2 | County of West Baton Rouge Parish | 13,437 | 0 | 13 |
| Wbr Water District Iv | County of West Baton Rouge Parish | 5,192 | 0 | 0 |
| Wbr District 4 -section Road Winterville | County of West Baton Rouge Parish | 5,100 | 0 | 4 |
| Wbr Public Utilities | County of West Baton Rouge Parish | 4,074 | 0 | 3 |
| West Baton Rouge Water Works District 1 | County of West Baton Rouge Parish | 2,247 | 0 | 0 |
| Wbr District 4 - Holiday Inn | County of West Baton Rouge Parish | 1,491 | 0 | 3 |
| Erwinville Water System | County of West Baton Rouge Parish | 720 | 0 | 0 |
| 4th Ward Water Dist Lobdell | County of West Baton Rouge Parish | 550 | 0 | 0 |
| 4th Ward Water Dist Sunrise | County of West Baton Rouge Parish | 550 | 0 | 0 |
| Chamberlin School | County of West Baton Rouge Parish | 500 | 0 | 0 |
| Devall School Supply | County of West Baton Rouge Parish | 500 | 0 | 0 |
| Wbr District 4 - Arbroth | County of West Baton Rouge Parish | 359 | 0 | 4 |
| 4th Ward Water District | Port Allen | 350 | 0 | 0 |
| West Baton Rouge Police Jury | County of West Baton Rouge Parish | 350 | 0 | 0 |
| Copolymer Rubber & Chemical | County of West Baton Rouge Parish | 325 | 0 | 0 |
| 4th Ward Water Dist Tombstone | County of West Baton Rouge Parish | 300 | 0 | 0 |
| Dipuma Water System | County of West Baton Rouge Parish | 270 | 0 | 0 |
| Winterville Water System | County of West Baton Rouge Parish | 240 | 0 | 0 |
| New Sunrise Water System | County of West Baton Rouge Parish | 200 | 0 | 0 |
| Ward 3 West Water Supply | County of West Baton Rouge Parish | 200 | 0 | 0 |
| Bueche Water System | County of West Baton Rouge Parish | 160 | 0 | 0 |
| Port Of Greater Baton Rouge | County of West Baton Rouge Parish | 150 | 0 | 5 |
| Smithfield Sugar Coop | County of West Baton Rouge Parish | 110 | 0 | 0 |
| Elm Grove Water System | County of West Baton Rouge Parish | 100 | 0 | 0 |
| Silvery Lane Trailer Park | Port Allen | 100 | 0 | 0 |
| Sid Richardson Carbon Plant | County of West Baton Rouge Parish | 85 | 0 | 0 |
| Louis J Bonnecaze Jr | County of West Baton Rouge Parish | 70 | 0 | 0 |
| Discovery Chemicals, Inc | County of West Baton Rouge Parish | 65 | 0 | 0 |
| Arbroth Water System | County of West Baton Rouge Parish | 35 | 0 | 0 |
| Cargo Carriers Inc | County of West Baton Rouge Parish | 30 | 0 | 0 |
| Westport Util. System | County of West Baton Rouge Parish | 27 | 0 | 0 |
| Lake Crocodile Water System | County of West Baton Rouge Parish | 25 | 0 | 0 |
| Copolymer Plant Water System | County of West Baton Rouge Parish | 25 | 0 | 0 |
| Port Allen Marine Service | County of West Baton Rouge Parish | 25 | 0 | 0 |
| % Wbr Recreation And Parks Com | County of West Baton Rouge Parish | 25 | 0 | 0 |
| Wbr District #4 Crocodile Inn | County of West Baton Rouge Parish | 0 | 0 | 0 |