We found 94 public water systems in Smith county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| City Of Tyler | Tyler | 110,525 | 151 | 20 |
| Southern Utilities | Tyler | 59,154 | 135 | 5 |
| Hereford Municipal Water System | Hereford | 15,370 | 78 | 16 |
| Lindale Rural Wsc | County of Smith | 12,621 | 0 | 4 |
| City Of Whitehouse | County of Smith | 7,660 | 0 | 6 |
| Walnut Grove Wsc | County of Smith | 7,560 | 30 | 56 |
| City Of Lindale | County of Smith | 6,276 | 0 | 1 |
| White Oak Water Co. | County of Smith | 6,258 | 0 | 0 |
| East Texas Water Co. | County of Smith | 5,493 | 0 | 0 |
| Dean Wsc | County of Smith | 4,761 | 0 | 4 |
| Jackson Wsc | County of Smith | 4,629 | 50 | 19 |
| Crystal Systems | County of Smith | 4,331 | 0 | 2 |
| City Of Bullard | County of Smith | 3,700 | 0 | 11 |
| Sand Flat Wsc | County of Smith | 3,465 | 0 | 14 |
| Lindale Rural Wsc Dc | County of Smith | 3,285 | 0 | 2 |
| East Texas Mud Of Smith County | County of Smith | 2,574 | 0 | 4 |
| The Villages Resort | County of Smith | 2,037 | 0 | 4 |
| WRIGHT CITY WSC 2 | County of Smith | 1,920 | 0 | 27 |
| Starrville-friendship Wsc | County of Smith | 1,893 | 0 | 10 |
| City Of Troup | County of Smith | 1,869 | 0 | 7 |
| Star Mountain Wsc | County of Smith | 1,764 | 0 | 3 |
| Emerald Bay Mud | County of Smith | 1,731 | 0 | 2 |
| Pine Ridge Wsc South | County of Smith | 1,395 | 0 | 3 |
| WRIGHT CITY WSC 1 | County of Smith | 1,242 | 0 | 28 |
| Lakeway Harbor Subdivision | County of Smith | 1,197 | 0 | 4 |
| Pine Cove Ranch Camp | County of Smith | 1,164 | 0 | 6 |
| Sky Ranch Retreat Center | County of Smith | 1,100 | 0 | 39 |
| City Of Arp | County of Smith | 938 | 0 | 24 |
| Starrville Wsc | County of Smith | 897 | 0 | 10 |
| Community Water Co Montgomery Garden | County of Smith | 870 | 0 | 4 |
| Pine Trail Shores | County of Smith | 753 | 0 | 0 |
| Mount Sylvan Water System | County of Smith | 744 | 0 | 14 |
| Carroll Wsc Well 4 | County of Smith | 648 | 0 | 0 |
| Tpwd Tyler State Park | County of Smith | 612 | 0 | 1 |
| City Of Winona | County of Smith | 611 | 0 | 99 |
| Teen Mania Ministries | County of Smith | 600 | 0 | 22 |
| Carroll Wsc Well 3 | County of Smith | 555 | 0 | 0 |
| Pine Ridge Wsc North | County of Smith | 507 | 0 | 0 |
| Enchanted Lakes Water System | County of Smith | 456 | 0 | 1 |
| John Soules Foods | County of Smith | 450 | 0 | 0 |
| East Lake Woods | County of Smith | 351 | 0 | 42 |
| Heights Water | County of Smith | 336 | 0 | 38 |
| Tyler Pipe Company | County of Smith | 335 | 0 | 6 |
| Carroll Water Supply Corp-no 2 | County of Smith | 330 | 0 | 0 |
| Stallion Lake Ranch | County of Smith | 327 | 0 | 2 |
| Pounds Field Airport | County of Smith | 300 | 0 | 0 |
| Pine Cove Towers Camp | County of Smith | 288 | 0 | 2 |
| Deaf Smith County Fwsd 1 | County of Deaf Smith | 250 | 0 | 29 |
| Southpark Mobile Home Estates | County of Smith | 249 | 0 | 4 |
| Mercy Ships Training Center | County of Smith | 246 | 0 | 11 |
| Garden Valley Resort | County of Smith | 201 | 0 | 2 |
| Pine Cove Conference Center | County of Smith | 200 | 0 | 6 |
| Discovery School | County of Smith | 186 | 0 | 0 |
| New Harmony Wsc | County of Smith | 186 | 0 | 0 |
| Walcott Isd | County of Deaf Smith | 160 | 0 | 16 |
| Rockin C Ranch | County of Smith | 140 | 0 | 0 |
| Fields Mobile Home Community | County of Smith | 138 | 0 | 0 |
| Spring Lake Mobile Home Park | County of Smith | 126 | 0 | 0 |
| Morriss Country Meat Market | County of Smith | 125 | 0 | 0 |
| Jackson Texaco Station | County of Smith | 125 | 0 | 0 |
| WWWW WATER SYSTEM | County of Smith | 117 | 0 | 0 |
| Tejas Industries East Plant | County of Deaf Smith | 116 | 0 | 0 |
| Lake O The Woods | County of Smith | 105 | 0 | 0 |
| Twin Oaks Ranch | County of Smith | 102 | 0 | 0 |
| Hamby Addition Water System | County of Deaf Smith | 80 | 0 | 0 |
| Whispering Pines Rv & Cabin Resort | County of Smith | 70 | 0 | 0 |
| Crestview Terrace Mhp-f. Dunca | County of Smith | 69 | 0 | 0 |
| Hereford Distribution | County of Deaf Smith | 69 | 0 | 0 |
| Lamplighter Mobile Home Park | County of Smith | 64 | 0 | 0 |
| Camp Tyler | County of Smith | 60 | 0 | 0 |
| Green Plains Hereford | County of Deaf Smith | 55 | 0 | 0 |
| The Reserve | County of Smith | 51 | 0 | 0 |
| Tejas Industries Distribution Center | County of Deaf Smith | 45 | 0 | 0 |
| Spring Creek Water Assn | County of Smith | 42 | 0 | 0 |
| Smith Tank & Equipment Co | County of Smith | 37 | 0 | 0 |
| Shady Grove Mobile Home Park | County of Smith | 36 | 0 | 0 |
| Big T Industrial Park | County of Smith | 34 | 0 | 0 |
| Mcdonald Farms & Campground | County of Smith | 30 | 0 | 0 |
| Garden Valley Water Co | County of Smith | 30 | 0 | 0 |
| Dodds Lake Mobile Home Resort | County of Smith | 27 | 0 | 0 |
| Exxon-hawkins Gas Plant | County of Smith | 26 | 0 | 0 |
| Hamrick Lake Water System | County of Smith | 25 | 0 | 0 |
| American Ecology & Environmental Service | County of Smith | 25 | 0 | 0 |
| Country Corners | County of Smith | 25 | 0 | 0 |
| Sierra Club | County of Smith | 25 | 0 | 0 |
| Scotts Bar B-q | County of Smith | 25 | 0 | 0 |
| YELLOW ROSE RV PARK | County of Smith | 25 | 0 | 0 |
| Frio Water Inc | County of Deaf Smith | 25 | 0 | 0 |
| Alexander Water & Utility Corp | County of Smith | 23 | 0 | 0 |
| YUCCA HILLS NORTH | County of Deaf Smith | 20 | 0 | 0 |
| Country Estates Mobile Home Park | County of Smith | 12 | 0 | 0 |
| Countryside Mobile Home Park | County of Deaf Smith | 2 | 0 | 0 |
| Coronado Water Company | County of Deaf Smith | 0 | 0 | 0 |
| Willow Branch Rv Park | County of Smith | 0 | 0 | 0 |