We found 19 public water systems in Greer county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mangum Pws | County of Greer | 2,924 | 0 | 9 |
| Granite Pws | County of Greer | 1,425 | 0 | 55 |
| Granite Pws | County of Greer | 1,425 | 0 | 0 |
| Oklahoma State Reformatory | County of Greer | 1,100 | 0 | 48 |
| Oklahoma State Reformatory | County of Greer | 820 | 0 | 0 |
| Quartz Mountain State Park | County of Greer | 416 | 0 | 64 |
| Quartz Mtn State Park | County of Greer | 300 | 0 | 0 |
| Centralvue Water Corp | County of Greer | 200 | 0 | 0 |
| Centralvue Water Corporation | County of Greer | 200 | 0 | 0 |
| Harmon Electric | County of Greer | 188 | 0 | 3 |
| Reed Water Corp | County of Greer | 175 | 0 | 4 |
| Willow | County of Greer | 114 | 0 | 0 |
| Thirsty Water Corp | County of Greer | 81 | 0 | 0 |
| Beach Haven Water Assn | County of Greer | 30 | 0 | 0 |
| Cains Grocery | County of Greer | 25 | 0 | 0 |
| Playhouse Roller Rink | County of Greer | 25 | 0 | 0 |
| Quartz Mountain Water Chute | County of Greer | 25 | 0 | 0 |
| Norbert Alsup's School For Dog | County of Greer | 10 | 0 | 0 |
| Percy's Place | County of Greer | 6 | 0 | 0 |