We found 18 public water systems in Tillman county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Frederick | County of Tillman | 3,940 | 0 | 108 |
| Tillman Co Rwd #1 | County of Tillman | 1,500 | 0 | 52 |
| Grandfield | County of Tillman | 1,110 | 0 | 155 |
| Tipton | County of Tillman | 916 | 0 | 140 |
| Davidson | County of Tillman | 375 | 0 | 82 |
| Manitou | County of Tillman | 350 | 0 | 0 |
| Manitou | County of Tillman | 278 | 0 | 47 |
| Weaver School | County of Tillman | 100 | 0 | 0 |
| Weaver School | County of Tillman | 80 | 0 | 0 |
| Hollister | County of Tillman | 60 | 0 | 0 |
| Vanderlaan Diary | County of Tillman | 25 | 0 | 0 |
| B & M Corral | County of Tillman | 25 | 0 | 0 |
| Bethel Baptist Church | County of Tillman | 25 | 0 | 0 |
| Burts Spur Grocery | County of Tillman | 25 | 0 | 0 |
| Tommys Place | County of Tillman | 25 | 0 | 0 |
| Lambs Place | County of Tillman | 15 | 0 | 0 |
| Red River Tavern | County of Tillman | 15 | 0 | 0 |
| Vanderlaan Dairy | County of Tillman | 12 | 0 | 0 |