We found 20 public water systems in Thurston county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Omaha Tribal Utilities Macy | Macy | 1,800 | 0 | 0 |
| Black Bird Bend Casino | Macy | 1,709 | 0 | 0 |
| Winnavegas Casino | County of Thurston | 1,500 | 0 | 0 |
| Pender, Village Of | Pender | 1,100 | 0 | 40 |
| Winnebago, Village Of | Winnebago | 785 | 0 | 16 |
| Walthill, Village Of | Walthill | 780 | 0 | 1 |
| Thurston Co Rural Water | Pender | 438 | 0 | 1 |
| Omaha Nation Fuel Plaza | Macy | 400 | 0 | 0 |
| Rosalie, Village Of | Rosalie | 185 | 0 | 23 |
| Winnebago Tribal Fac Thunderway | Winnebago | 160 | 0 | 5 |
| Winnebago Pow Wow | Winnebago | 160 | 0 | 7 |
| Thurston, Village Of | Thurston | 120 | 0 | 0 |
| St Augustine Indian Mission | Winnebago | 92 | 0 | 0 |
| St Augustine Indian Mission | County of Thurston | 25 | 0 | 0 |
| Winn-a-bingo | County of Thurston | 25 | 0 | 0 |
| Winnebago Tribl Facilities-mission Drive | Winnebago | 25 | 0 | 0 |
| Winnebago Tribl Facilities-pow Wow North | Winnebago | 25 | 0 | 0 |
| Pony Express - Rosalie | County of Thurston | 25 | 0 | 0 |
| Twin Creeks Golf Club | Pender | 25 | 0 | 0 |
| Pony Express - Bago | Winnebago | 25 | 0 | 0 |