| Magnolia-Pruden Creek | Des Peres, LA | 324 | 0 | - |
| Tulane University Primate Center | Covington, LA | 320 | 22 | - |
| Oak Meadows Subdivision Water System | Lake Charles, LA | 318 | 35 | - |
| Eros Water System | Eros, LA | 318 | 389 | - |
| Lucky Waterworks | Bienville, LA | 315 | 184 | - |
| Magnolia-Carencro Village | Des Peres, LA | 315 | 40 | - |
| Magnolia-Coach House Manor | Des Peres, LA | 315 | 38 | - |
| Hillside Mobile Home Park | Shreveport, LA | 309 | 44 | - |
| Stonegate Manufactured Home Community | Shreveport, LA | 309 | 11 | - |
| Magnolia-Utility Service of Lake Charles | Des Peres, LA | 306 | 106 | - |
| Magnolia Water Utilites - Cherrywood | Des Peres, LA | 306 | 14 | - |
| J E S T C | Zachary, LA | 300 | 153 | - |
| Lpwdn Guillot Village | Lafayette, LA | 300 | 2 | - |
| River Pines Plantation Utilities | Des Peres, LA | 300 | 70 | - |
| Eagle Lake Mobile Home Park | Brooklyn, LA | 300 | 61 | - |
| The Longhorn Truck Stop and Restaurant | Vinton, LA | 300 | 4 | - |
| Cash Magic-Vinton Water System | Lafayette, LA | 300 | 8 | - |
| Lake Charles Harbor Terminal District WS | Lake Charles, LA | 300 | 0 | - |
| Eco-Services Operations Br Plant | Baton Rouge, LA | 300 | 7 | - |
| Pno Alabo Street Wharf | New Orleans, LA | 300 | 12 | - |
| Big Cajun II Power Plant | Ventress, LA | 300 | 11 | - |
| Land-O-Pines Campground | Covington, LA | 300 | 23 | - |
| Dollar General Lacombe | Goodlettsville, LA | 300 | 0 | - |
| Bo S Steakhouse | Franklinton, LA | 300 | 54 | - |
| Dixie Inn Water System | Minden, LA | 297 | 13 | - |
| Fluker Chapel Water Works | Hammond, LA | 296 | 128 | - |
| St Marys Water System | Plain Dealing, LA | 294 | 228 | - |
| Magnolia-Brigas Estates | Des Peres, LA | 294 | 128 | - |
| Huntington Mobile Home Park Water System | Shreveport, LA | 291 | 15 | - |
| Montpelier Water Supply | Montpelier, LA | 290 | 24 | - |
| Sugarcane Townes Water System | Iowa, LA | 288 | 6 | - |
| Enon Elementary School | Franklinton, LA | 288 | 25 | - |
| Palmetto Water Works Inc | Doyline, LA | 285 | 66 | - |
| Magnolia-Belleville Subdivision | Des Peres, LA | 282 | 102 | - |
| Quintana Marina | Lydia, LA | 280 | 28 | - |
| Village of Norwood Water System | Norwood, LA | 279 | 46 | - |
| Magnolia-Southfield Square | Des Peres, LA | 279 | 33 | - |
| Osprey Lakes RV Park Water System | Lake Charles, LA | 279 | 12 | - |
| Abita Springs RV Resort | Abita Springs, LA | 279 | 7 | - |
| Hood Container of la, LLC | St. Francisville, LA | 275 | 14 | - |
| Magnolia-Rigolets Estates | Des Peres, LA | 273 | 207 | - |
| St Landry Wwd 3 Port Barre Area A | Port Barre, LA | 270 | 40 | - |
| Horse Shoe Road Water System | Doyline, LA | 270 | 348 | - |
| Forest Glen SD | Loranger, LA | 270 | 150 | - |
| Lake Castle School | Madisonville, LA | 270 | 17 | - |
| Magnolia-Autumn Haven | Des Peres, LA | 267 | 5 | - |
| Bayou Lacombe Middle School | Covington, LA | 266 | 12 | - |
| Chases RV Park Water System | New Iberia, LA | 261 | 13 | - |
| Magnolia-I59 MHP | Des Peres, LA | 255 | 24 | - |
| Magnolia-Grande Stakes | Des Peres, LA | 252 | 32 | - |