We found 45 public water systems that could serve the same population as Wisemans Well (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Erwin Utilities | Erwin | 12,630 | 82 | 30 |
| Unicoi Utility District | County of Unicoi | 4,337 | 0 | 8 |
| Sams Gap Highway Spring | County of Unicoi | 1,000 | 0 | 0 |
| Temple Hill Utility District | Erwin | 974 | 0 | 0 |
| Unicoi Work Camp Spring | County of Unicoi | 450 | 0 | 0 |
| Limestone Cove - Usfs | County of Unicoi | 230 | 0 | 0 |
| Rock Creek Park | County of Unicoi | 200 | 0 | 0 |
| Flagpond School | County of Unicoi | 175 | 0 | 0 |
| Nolichucky Gorge Campground | County of Unicoi | 150 | 0 | 6 |
| Morrill Electric Inc | County of Unicoi | 147 | 0 | 0 |
| Limestone Clothing Corp | County of Unicoi | 125 | 0 | 0 |
| Rock Creek Camp - Usfs | County of Unicoi | 120 | 0 | 0 |
| Morrell Well | County of Unicoi | 102 | 0 | 0 |
| Mountain Dale Fwb Church | County of Unicoi | 95 | 0 | 0 |
| Shady Grove Baptist Church | County of Unicoi | 92 | 0 | 0 |
| Earl Foster Spring | County of Unicoi | 83 | 0 | 0 |
| Upper Higgins Ck Baptist Ch | County of Unicoi | 75 | 0 | 0 |
| Arthur Clark Spring | County of Unicoi | 70 | 0 | 0 |
| Clear Branch Baptist Church | County of Unicoi | 70 | 0 | 0 |
| Unicoi Water Association | Unicoi | 65 | 0 | 0 |
| Limestone Cove Christian Ch | County of Unicoi | 60 | 0 | 0 |
| First United Methodist Church | County of Unicoi | 60 | 0 | 0 |
| Flag Pond Medical Clinic | County of Unicoi | 50 | 0 | 0 |
| Coffee Ridge Miss Baptist Chur | County of Unicoi | 50 | 0 | 0 |
| First Freewill Baptist Church | County of Unicoi | 50 | 0 | 0 |
| Limestone Cove | County of Unicoi | 50 | 0 | 0 |
| Huckelberry Restaurant | County of Unicoi | 50 | 0 | 0 |
| Farnors Well Water System | County of Unicoi | 47 | 0 | 0 |
| Jennie Moore Mem Presby Ch | County of Unicoi | 45 | 0 | 0 |
| Unaka Springs | Erwin | 45 | 0 | 0 |
| Flag Pond Baptist Church | County of Unicoi | 40 | 0 | 0 |
| Shady Grove Miss Baptist Ch | County of Unicoi | 40 | 0 | 0 |
| Rices Bend Church Of God | County of Unicoi | 40 | 0 | 0 |
| Unicoi Water Coop | County of Unicoi | 40 | 0 | 0 |
| Roseville Chapel | County of Unicoi | 30 | 0 | 0 |
| Tipton's Restaurant | County of Unicoi | 30 | 0 | 0 |
| Sweetwater Church Of God | County of Unicoi | 27 | 0 | 0 |
| Usa Raft | County of Unicoi | 25 | 0 | 0 |
| Clinchfield Railroad | County of Unicoi | 25 | 0 | 0 |
| Jennie Moore Memorial Church | County of Unicoi | 25 | 0 | 0 |
| Limestone Cove Prk & Campgrd | County of Unicoi | 25 | 0 | 0 |
| Gentry's Cafe | County of Unicoi | 25 | 0 | 0 |
| Rock Creek Park And Campgrnd | County of Unicoi | 25 | 0 | 0 |
| Unicoi Spring - Usfs | County of Unicoi | 25 | 0 | 0 |
| Erwin National Fish Hatchery | County of Unicoi | 25 | 0 | 0 |