We found 126 public water systems in Grayson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| City Of Sherman | Sherman | 40,600 | 48 | 5 |
| City Of Denison | County of Grayson | 32,340 | 51 | 17 |
| Rocky Point B | County of Grayson | 12,900 | 0 | 0 |
| Marilee Sud | County of Grayson | 5,226 | 0 | 5 |
| Two Way Sud | County of Grayson | 5,019 | 0 | 0 |
| South Grayson Sud | County of Grayson | 4,314 | 0 | 0 |
| City Of Whitesboro | County of Grayson | 3,852 | 0 | 7 |
| City Of Van Alstyne | County of Grayson | 3,852 | 0 | 3 |
| Tanglewood On Texoma | County of Grayson | 3,681 | 0 | 31 |
| Luella Sud | County of Grayson | 3,375 | 0 | 0 |
| Kentuckytown Wsc | County of Grayson | 3,294 | 0 | 2 |
| City Of Howe | County of Grayson | 3,240 | 0 | 2 |
| Oak Ridge South Gale Wsc | County of Grayson | 2,745 | 0 | 24 |
| Starr Wsc | County of Grayson | 2,600 | 0 | 23 |
| Northwest Grayson County Wcid 1 | County of Grayson | 2,400 | 0 | 3 |
| Pink Hill Wsc | County of Grayson | 2,340 | 0 | 1 |
| City Of Pottsboro | County of Grayson | 2,200 | 0 | 4 |
| Rra Preston Shores Water System | County of Grayson | 2,112 | 0 | 69 |
| City Of Bells | County of Grayson | 1,941 | 0 | 8 |
| Grandpappy Point | County of Grayson | 1,800 | 0 | 0 |
| City Of Gunter | County of Grayson | 1,740 | 0 | 3 |
| Sherwood Shores | County of Grayson | 1,713 | 0 | 2 |
| Marilee Elmont | County of Grayson | 1,671 | 0 | 17 |
| City Of Dorchester | County of Grayson | 1,638 | 0 | 4 |
| City Of Collinsville | County of Grayson | 1,624 | 0 | 6 |
| City Of Whitewright | County of Grayson | 1,604 | 0 | 3 |
| Ridgecrest | County of Grayson | 1,494 | 0 | 56 |
| City Of Tom Bean | County of Grayson | 1,045 | 0 | 5 |
| Mill Creek Meadows | County of Grayson | 930 | 0 | 0 |
| Tpwd Eisenhower State Park | County of Grayson | 850 | 0 | 0 |
| City Of Tioga | County of Grayson | 803 | 0 | 2 |
| City Of Southmayd Westview Subdivision | County of Grayson | 783 | 0 | 7 |
| Texins Lake Texoma Club | County of Grayson | 744 | 0 | 5 |
| Solms Water Supply Corporation | County of Grayson | 650 | 0 | 0 |
| Cambridge Shores | County of Grayson | 633 | 0 | 0 |
| Mountain Valley School | County of Grayson | 630 | 0 | 0 |
| City Of Sadler | County of Grayson | 582 | 0 | 2 |
| Texas Tourist Bureau-denison | County of Grayson | 500 | 0 | 0 |
| City Of Southmayd | County of Grayson | 498 | 0 | 7 |
| Simmons Shores | County of Grayson | 474 | 0 | 0 |
| City Of Knollwood | County of Grayson | 433 | 0 | 29 |
| Highport Marina | County of Grayson | 424 | 0 | 12 |
| J-m Manufacturing Company Inc | County of Grayson | 400 | 0 | 0 |
| Mhc Lake Texoma Campgrounds | County of Grayson | 350 | 0 | 0 |
| Rocky Point Estates | County of Grayson | 333 | 0 | 18 |
| Paw Paw Creek Resort | County of Grayson | 324 | 0 | 0 |
| Western Acres | County of Grayson | 309 | 0 | 0 |
| Gainesville Boat Club | County of Grayson | 306 | 0 | 5 |
| Big Mineral Camp Resort | County of Grayson | 300 | 0 | 2 |
| Thompson Heights Water System | County of Grayson | 300 | 0 | 34 |
| High Country Estates | County of Grayson | 291 | 0 | 73 |
| Sheppard Afb Recreational Annex | County of Grayson | 261 | 0 | 1 |
| Georgetown Baptist Church | County of Grayson | 260 | 0 | 16 |
| Northern Hills Water Service | County of Grayson | 255 | 0 | 30 |
| Little Ponderosa | County of Grayson | 250 | 0 | 0 |
| Preston Club Utility | County of Grayson | 246 | 0 | 91 |
| Carefree Estates | County of Grayson | 240 | 0 | 0 |
| Canyon Lake Mobile Home Estate | County of Grayson | 240 | 0 | 0 |
| Gordonville | County of Grayson | 225 | 0 | 0 |
| Sherwood Shores-south | County of Grayson | 210 | 0 | 0 |
| Camp Grayson - Bsa | County of Grayson | 208 | 0 | 0 |
| Russwood On The Lake | County of Grayson | 186 | 0 | 0 |
| Texoma Marina And Resort | County of Grayson | 180 | 0 | 89 |
| Walnut Creek Resort | County of Grayson | 175 | 0 | 0 |
| Flowing Wells Resort | County of Grayson | 174 | 0 | 13 |
| Grayson Hilltop Estates Wsc | County of Grayson | 168 | 0 | 0 |
| Aloha Gardens | County of Grayson | 150 | 0 | 0 |
| Cedar Bayou | County of Grayson | 150 | 0 | 0 |
| Rock Creek Resort | County of Grayson | 138 | 0 | 7 |
| Texoma Estates Wsc | County of Grayson | 127 | 0 | 2 |
| Rock Creek Camp | County of Grayson | 125 | 0 | 0 |
| Servtex Plant | County of Grayson | 125 | 0 | 0 |
| Patsys Cafe | County of Grayson | 120 | 0 | 0 |
| Whitemound Water Supply Corp | County of Grayson | 120 | 0 | 0 |
| Park Lane Estates Water System | County of Grayson | 120 | 0 | 0 |
| Lake Texoma Vfw Post 7873 | County of Grayson | 114 | 0 | 0 |
| Howard & Son Water Co | County of Grayson | 110 | 0 | 0 |
| Camp Rocky Point | County of Grayson | 100 | 0 | 0 |
| Camp Rio Roxo | County of Grayson | 100 | 0 | 0 |
| Uscoe-potters Ck. Pk. | County of Grayson | 100 | 0 | 0 |
| Mountain Breeze | County of Grayson | 100 | 0 | 0 |
| Friendship Acres Wsc | County of Grayson | 94 | 0 | 0 |
| 3-d Mobile Home And Rv Park | County of Grayson | 90 | 0 | 0 |
| Country Club Estates Mhp | County of Grayson | 90 | 0 | 0 |
| Cypress Lake Gardens Poa-west | County of Grayson | 66 | 0 | 0 |
| Heritage Estates | County of Grayson | 57 | 0 | 0 |
| Shady Vale | County of Grayson | 50 | 0 | 0 |
| Uscoe - Walnut Creek Resort | County of Grayson | 50 | 0 | 0 |
| Uscoe - Flowing Wells | County of Grayson | 50 | 0 | 0 |
| Tanglewood On Texoma-pro Shop | County of Grayson | 50 | 0 | 0 |
| Laguna Park In The Woods | County of Grayson | 50 | 0 | 0 |
| Abbott's Canoe Rentals | County of Grayson | 50 | 0 | 0 |
| Sunshine Farms Rv Park | County of Grayson | 46 | 0 | 0 |
| American Legion Mia Post 231 | County of Grayson | 45 | 0 | 0 |
| Cypress Lake Gardens-rebecca C | County of Grayson | 40 | 0 | 0 |
| Timber View Estates | County of Grayson | 40 | 0 | 0 |
| Munson Point Property Owners Association | County of Grayson | 39 | 0 | 0 |
| Deep Acres Estates | County of Grayson | 38 | 0 | 0 |
| Triple Peak Ranch Estates No 2 | County of Grayson | 36 | 0 | 0 |
| Scenic River Properties | County of Grayson | 36 | 0 | 0 |
| Rippling Rapids No 2 | County of Grayson | 30 | 0 | 0 |
| Devils Backbone Club | County of Grayson | 26 | 0 | 0 |
| Uscoe-cranes Mill Marina | County of Grayson | 26 | 0 | 0 |
| Canyon Creek Estates | County of Grayson | 25 | 0 | 0 |
| General Store | County of Grayson | 25 | 0 | 0 |
| Sharpes Pecan Estate Mhp | County of Grayson | 25 | 0 | 0 |
| Hagerman National Wildlife Refuge | County of Grayson | 25 | 0 | 0 |
| Uscoe - Highpoint Resort | County of Grayson | 25 | 0 | 0 |
| Moorwood-canyon W. S. | County of Grayson | 25 | 0 | 0 |
| Pioneer Park Mobile Home Park | County of Grayson | 20 | 0 | 0 |
| Jonas Subdivision | County of Grayson | 15 | 0 | 0 |
| Cypress Lake Garden Poa-east | County of Grayson | 12 | 0 | 0 |
| Lakewood-glenmare | County of Grayson | 10 | 0 | 0 |
| Cypress Lake Gardens-windmill | County of Grayson | 10 | 0 | 0 |
| Cypress Lake Gardens-murphy We | County of Grayson | 7 | 0 | 0 |
| Francis Water System | County of Grayson | 7 | 0 | 0 |
| Cypress Lake Gardens-rampump | County of Grayson | 6 | 0 | 0 |
| Cypress Lake Gardens-river Hou | County of Grayson | 5 | 0 | 0 |
| Sandusky Outpost | County of Grayson | 5 | 0 | 0 |
| Cypress Lake Gardens-la Fontai | County of Grayson | 3 | 0 | 0 |
| Greater Texoma Utility Authority | County of Grayson | 0 | 0 | 0 |
| Kyker Lane Community Water System | County of Grayson | 0 | 0 | 0 |
| Carriage House Estates | County of Grayson | 0 | 0 | 0 |
| Mobile Hauling Water System | County of Grayson | 0 | 0 | 0 |
| Marlene Cannon Restaurant | County of Grayson | 0 | 0 | 0 |
| Holiday On Texoma Motel | County of Grayson | 0 | 0 | 0 |