Water and sewer service in Galveston County is provided either by cities, or by water districts (municipal utility districts, water control and improvement districts, or special utility districts.)
Rates and information can be found at the following links:
| City | Water Service Provided By |
|---|---|
| Clear Lake Shores | City |
| Dickinson | District |
| Friendswood | City |
| Galveston | City |
| Hitchcock | City |
| Jamaica Beach | City |
| Kemah | District and District |
| La Marque | City |
| League City | City |
| Santa Fe | City |
| Texas City | City |