We found 51 public water systems in Lincoln county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Davenport Water Division | County of Lincoln | 1,720 | 0 | 20 |
| Sprague Lake Eb Rest Area | County of Lincoln | 1,645 | 0 | 24 |
| Fort Spokane Campground | County of Lincoln | 1,435 | 0 | 2 |
| Reardan, Town Of | County of Lincoln | 1,309 | 0 | 20 |
| Sprague Lk Wb Rest Area | County of Lincoln | 1,200 | 0 | 8 |
| Spring Canyon Campground | County of Lincoln | 1,043 | 0 | 2 |
| Wilbur, Town Of | County of Lincoln | 1,040 | 0 | 74 |
| Odessa | County of Lincoln | 986 | 0 | 16 |
| Keller Ferry Campground | County of Lincoln | 908 | 0 | 2 |
| Telford Rest Area | County of Lincoln | 800 | 0 | 11 |
| Porcupine Bay Campground | County of Lincoln | 611 | 0 | 1 |
| Keller Ferry Landing | County of Lincoln | 605 | 0 | 11 |
| Sprague, City Of | County of Lincoln | 570 | 0 | 32 |
| Harrington, City Of | County of Lincoln | 481 | 0 | 181 |
| Almira Water System | County of Lincoln | 422 | 0 | 9 |
| Creston Public Water | County of Lincoln | 388 | 0 | 90 |
| Seven Bays Estates Unlimited | County of Lincoln | 380 | 0 | 23 |
| Hawk Creek Campground | County of Lincoln | 308 | 0 | 1 |
| River Rue Water System | County of Lincoln | 237 | 0 | 12 |
| Roosevelt Lake Ranch | County of Lincoln | 203 | 0 | 48 |
| Deer Meadows Water Company Inc | County of Lincoln | 193 | 0 | 9 |
| Lakeview Terrace Mhp | County of Lincoln | 135 | 0 | 31 |
| Edwall Water Assn | County of Lincoln | 129 | 0 | 10 |
| Fishtrap Lake Resort | County of Lincoln | 79 | 0 | 0 |
| Hanson Harbor Homeowners Assn | County of Lincoln | 56 | 0 | 0 |
| Columbia Springs Estates | County of Lincoln | 51 | 0 | 0 |
| Sunnyhills | County of Lincoln | 45 | 0 | 0 |
| Keller Ferry Marina | County of Lincoln | 38 | 0 | 0 |
| Detillion Campground | County of Lincoln | 36 | 0 | 0 |
| Starkenburg Water System | County of Lincoln | 32 | 0 | 0 |
| Crown Zellerbach Corporation | County of Lincoln | 30 | 0 | 0 |
| Squaw Canyon Plat Iii | County of Lincoln | 30 | 0 | 0 |
| Keller Ferry | County of Lincoln | 25 | 0 | 0 |
| Cayuse Cove | County of Lincoln | 25 | 0 | 0 |
| Mocassin Bay Association | County of Lincoln | 22 | 0 | 0 |
| Char-donnie | County of Lincoln | 16 | 0 | 0 |
| Brougher Ranch Iii | County of Lincoln | 15 | 0 | 0 |
| Rantz Marine Park | County of Lincoln | 14 | 0 | 0 |
| Fdr Estates #1 | County of Lincoln | 10 | 0 | 0 |
| Fdr Estates #2 | County of Lincoln | 10 | 0 | 0 |
| Fdr Estates #3 | County of Lincoln | 10 | 0 | 0 |
| Fdr Estates #4 | County of Lincoln | 10 | 0 | 0 |
| Fdr Estates #5 | County of Lincoln | 10 | 0 | 0 |
| Campbell Bay Farms | County of Lincoln | 10 | 0 | 0 |
| Sprague Lake Resort | County of Lincoln | 9 | 0 | 0 |
| Fdr Estates #6 | County of Lincoln | 8 | 0 | 0 |
| Lakeview Subdivision | County of Lincoln | 8 | 0 | 0 |
| Coffee Pot Lake Resort | County of Lincoln | 6 | 0 | 0 |
| Sprague Maintence Shed | County of Lincoln | 5 | 0 | 0 |
| Ft Spokane Store | County of Lincoln | 2 | 0 | 0 |
| Siefferman, Mike | County of Lincoln | 1 | 0 | 0 |