We found 30 public water systems in Grayson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Grayson County Water District | County of Grayson | 20,033 | 27 | 38 |
| Leitchfield Water Works | County of Grayson | 8,438 | 0 | 11 |
| Caneyville Municipal Water Works | County of Grayson | 2,171 | 0 | 11 |
| Wax Marina & Lodge | Louisville | 400 | 0 | 0 |
| Nolin Lake Estates | Clarkson | 391 | 0 | 0 |
| Corps Of Engrs/cave Creek | Falls Of Rough | 381 | 0 | 0 |
| Gene's Restaurant | Falls Of Rough | 350 | 0 | 0 |
| Ponderosa Fishing Camp | Clarkson | 300 | 0 | 0 |
| All Saints Episcopal Camp | Leitchfield | 179 | 0 | 0 |
| Conoloway Sbdv Water System | Leitchfield | 170 | 0 | 0 |
| St Paul Elementary School | Leitchfield | 155 | 0 | 0 |
| Fishermans Kentucky Kitchen | Falls Of Rough | 120 | 0 | 0 |
| Wk 259 Stockyards, Inc | Leitchfield | 100 | 0 | 0 |
| Corps Of Engrs/wax | Brownsville | 100 | 0 | 0 |
| Camp Loucon | Leitchfield | 75 | 0 | 0 |
| Wax Trailer Court-lawler | Wax | 50 | 0 | 0 |
| Gen Land Devpt/linwood Estates | County of Grayson | 30 | 0 | 0 |
| Nolin Family Restaurant | Wax | 25 | 0 | 0 |
| Corps Of Engrs/dog Creek | Leitchfield | 25 | 0 | 0 |
| Bailey's Boat Repair/b&j Rest | Wax | 25 | 0 | 0 |
| Pine Knob Diner | Caneyville | 24 | 0 | 0 |
| Ponderosa Mini-ranches | Leitchfield | 22 | 0 | 0 |
| Camp Wet A Line %hazel Minogue | Falls Of Rough | 21 | 0 | 0 |
| Pine Tree Inn | Falls Of Rough | 21 | 0 | 0 |
| B W Lyons Parkway Serv Station | Leitchfield | 20 | 0 | 0 |
| St Clair Motel | Falls Of Rough | 18 | 0 | 0 |
| Ken's Motel | Wax | 17 | 0 | 0 |
| St Clair Trailer Park | Falls Of Rough | 14 | 0 | 0 |
| Rough River State Park | County of Grayson | 0 | 0 | 0 |
| Edmonson Co Water District - Wax | County of Grayson | 0 | 0 | 0 |