We found 11 public water systems in Harmon county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Hollis | County of Harmon | 2,264 | 0 | 98 |
| Harmon Water Corp | County of Harmon | 1,132 | 0 | 35 |
| Gould Pwa | County of Harmon | 206 | 0 | 40 |
| Fifth Residence | County of Harmon | 50 | 0 | 0 |
| Lanning Shamrock Station | County of Harmon | 25 | 0 | 0 |
| Hills Groc | County of Harmon | 25 | 0 | 0 |
| Fuzzys Club | County of Harmon | 25 | 0 | 0 |
| Westview Boys Home (moody) | County of Harmon | 20 | 0 | 0 |
| Westview Boys Home, Overstreet | County of Harmon | 16 | 0 | 0 |
| Westview Boys Home Sweetwater | County of Harmon | 15 | 0 | 0 |
| Westview Boys Home (mitchell) | County of Harmon | 14 | 0 | 0 |