| Tamu Main Campus WWTP | College Station | 2.5 |
| Southwest Water Reclamation Facility | League City | 2.46 |
| Williamsburg Regional | Katy | 2.44 |
| City Of Bonham WWTP | Bonham | 2.42 |
| Harris County Mud 26 WWTP | Houston | 2.4 |
| San Benito Waste Water Treatment Plant | San Benito | 2.39 |
| City Of Cedar Park WRF | Cedar Park | 2.38 |
| San Leon Mud-Plant - 443 24th Ave | San Leon | 2.36 |
| City Of El Campo WWTF | El Campo | 2.35 |
| Greenwood Forest WWTP | Houston | 2.34 |
| North Laredo WWTP | Laredo | 2.34 |
| Metro Central WWTP | Houston | 2.32 |
| Timber Lane Utility District WWTP | Houston | 2.31 |
| City Of Seabrook | City Of Seabrook | 2.31 |
| Renn Road Mud WWTP | Houston | 2.31 |
| Hutto South WWTP | Hutto | 2.3 |
| Copperfield Plant WWTP | Houston | 2.28 |
| Imperial Valley WWTP | Houston | 2.27 |
| Gonzales WWTP | Gonzales | 2.26 |
| City Of Bellaire | Bellaire | 2.25 |
| Mauriceville Mud WWTP | Mauriceville | 2.19 |
| Cedar Bayou WWTF | Huffman | 2.19 |
| Martinez Iv WWTP | San Antonio | 2.18 |
| Hondo WWTP | Hondo | 2.17 |
| Leon WWTP | Gatesville | 2.16 |
| City Of Rosenberg | Rosenberg | 2.16 |
| Pollard Creek WWTP | Mineral Wells | 2.15 |
| Stillhouse Branch WWTP | Gatesville | 2.14 |
| City Of Jasper Wastewater Treatment Plant | Jasper | 2.12 |
| New Caney Mud WWTP | New Caney | 2.11 |
| Gruene Road Water Reclamation Facility | New Braunfels | 2.11 |
| San Felipe WWTP | Del Rio | 2.08 |
| Robinson Creek WWTP | Huntsville | 2.08 |
| Cotton Bayou WWTP | Mont Belvieu | 2.07 |
| Pecan Branch WWTP | Georgetown | 2.06 |
| City Of Freeport Central WWTF | Freeport | 2.02 |
| City Of Donna WWTP | Donna | 2.01 |
| City Of Webster Central WWTF | Webster | 2 |
| West Orange WWTP | West Orange | 1.99 |
| Treschwig Regional Wastewater Treatment Plant | Spring | 1.97 |
| Bridgestone Facility | Spring | 1.95 |
| Silver Lake WWTF | Del Rio | 1.95 |
| Bacliff Mud Central WWTP | Bacliff | 1.94 |
| City Of Cotulla WWTP | Cotulla | 1.93 |
| City Of Silsbee South WWTP | Silsbee | 1.91 |
| City Of Manor-Plant - Gilbert Ln / Fm 969 | Manor | 1.91 |
| City Of Kingsville 3.0 Mgd Wastewater Treatment Plant | Kingsville | 1.9 |
| City Of Livingston | Livingston | 1.87 |
| Willowbrook WWTP | Houston | 1.85 |
| City Of Pearland- Longwood WWTP | Pearland | 1.84 |
| City Of Los Fresnos Wastewater Treatment Plant | Los Fresnos | 1.83 |
| Lake Forest Regional WWTP | Houston | 1.83 |
| Harris County Mud 82 WWTP | Spring | 1.82 |
| Plainview City Of POTW | Plainview | 1.81 |
| Weslaco South WWTP | Weslaco | 1.81 |
| Terrell Unit WWTP | Rosharon | 1.78 |
| Ft Bend County Wcid 2 | Stafford | 1.78 |
| Bammel Ud WWTP | Spring | 1.76 |
| Brazoria County Mud 3 WWTP | Pearland | 1.75 |
| Dilley WWTP | Dilley | 1.74 |
| Whitecap WWTP | Corpus Christi | 1.73 |
| City Of Liberty Wastewater Treatment Plant | Liberty | 1.73 |
| Peninsula Water Reclamation Plant | Lewisville | 1.71 |
| City Of Jacinto City | Jacinto City | 1.7 |
| City Of Cuero WWTP | Cuero | 1.7 |
| City Of Center - Mill Creek Water Treatment Plant | Center | 1.69 |
| City Of Magnolia-Plant 1 - 105 Elm St | Magnolia | 1.69 |
| Wharton WWTP 1 | Wharton | 1.68 |
| Copperas Cove Northeast WWTP | Copperas Cove | 1.67 |
| City Of Edna WWTF | Edna | 1.66 |
| City Of Tomball South WWTP | Tomball | 1.65 |
| Greenwood Ud - WWTP | Houston | 1.65 |
| Fort Bend County Mud 23 WWTP | Fresno | 1.65 |
| Trail Of The Lakes Mud WWTP | Houston | 1.64 |
| Fort Bend County Mud 30 WWTP | Houston | 1.64 |
| North Mustang Island WWTP | Port Aransas | 1.63 |
| Mexia WWTF | Mexia | 1.62 |
| Cinco Regional WWTP | Sugarland | 1.62 |
| Galveston County Wcid 12 WWTP | Kemah | 1.61 |
| Galveston County Wcid 8 | Santa Fe | 1.6 |
| City Of Navasota Old WWTP | Navasota | 1.6 |
| Canton WWTP | Canton | 1.59 |
| Town Of Woodsboro | Woodsboro | 1.57 |
| Grand Mission Mud 1 WWTP | Houston | 1.57 |
| City Of Fredericksburg Wastewater Treatment Plant | Fredericksburg | 1.57 |
| Winnie - Stowell WWTF | Winnie | 1.56 |
| Lockhart WWTP 2 | Lockhart | 1.56 |
| North Wastewater Treatment Plant | Tomball | 1.54 |
| Brushy West WWTP | Round Rock | 1.54 |
| Pecan Grove Mud WWTP | Sugar Land | 1.54 |
| Horace Whately WWTP | Atlanta | 1.54 |
| City Of Jarrell WWTF | Jarrell | 1.51 |
| Rockport Watewater Treatment Plant | Rockport | 1.51 |
| Isla Blanca WWTP | Port Isabel | 1.5 |
| City Of Buda WWTF | Buda | 1.48 |
| Ash Creek WWTP | Azle | 1.48 |
| Northside WWTP | Crockett | 1.47 |
| Mustang Bayou WWTF | Fresno | 1.47 |
| Harris County Mud 167 WWTP | Katy | 1.46 |
| City Of Borger Wastewater Treatment Facility | Borger | 1.46 |
| Tdcj Coffield Unit | Tennessee Colony | 1.46 |
| Spring Trails WWTF | Spring | 1.46 |
| City Of Roma 2 WWTP | Roma | 1.45 |
| City Of Bridge City | Bridge City | 1.45 |
| Southside Plant | Alice | 1.45 |
| City Of Kingsville 1 Mgd WWTF | Kingsville | 1.43 |
| City Of Brazoria | Brazoria | 1.42 |
| Fort Bend County Mud 146 WWTP | Richmond | 1.42 |
| City Of Rio Grande City WWTP | Rio Grande City | 1.42 |
| Harris County Mud 278 WWTP | Houston | 1.41 |
| City Of Sanger WWTP | Sanger | 1.4 |
| Kenedy WWTF | Kenedy | 1.39 |
| City Of Commerce-WWTP | Commerce | 1.39 |
| Southern Montgomery Co Mud WWTP | Spring | 1.39 |
| Mineola WWTP | Mineola | 1.37 |
| City Of Celina WWTP | Celina | 1.37 |
| Elgin WWTP | Elgin | 1.37 |
| Port Isabel Wastewater Treatment Plant | Port Isabel | 1.36 |
| Meadowhill Regional Mud WWTP | Spring | 1.36 |
| Rusk Wastewater Treatment Plant | Rusk | 1.35 |
| City Of White Oak-Swtp Plant | White Oak | 1.35 |
| Harris County Mud No.33 WWTP | Houston | 1.34 |
| Ft Bend Co Mud 58 WWTF | Katy | 1.34 |
| Sugar Land Greatwood WWTP | Sugar Land | 1.33 |
| Ft Bend Co Mud WWTP 2 | Sugar Land | 1.3 |
| Hutto WWTP | Hutto | 1.3 |
| Cnp Ud WWTP | Houston | 1.27 |
| Cameron WWTP | Cameron | 1.27 |
| Blue Ridge West Mud WWTP | Missouri City | 1.26 |
| Creedside Ranch WWTF | Fulshear | 1.25 |
| City Of Willis WWTP | Willis | 1.24 |
| City Of Pampa WWTP | Pampa | 1.24 |
| City Of Sour Lake WWTF | Sour Lake | 1.23 |
| City Of Waller WWTP | Waller | 1.23 |
| Athens West WWTP | Athens | 1.23 |
| City Of Raymondville WWTP | Raymondville | 1.23 |
| Northside WWTF | Lindale | 1.23 |
| Mayde Creek Mud | Houston | 1.23 |
| Harris Co Mud 387 WWTP | Spring | 1.22 |
| City Of Sweeny | Sweeny | 1.21 |
| Harris County Wcid 119 WWTP | Houston | 1.21 |
| Jefferson County Wcid 10 WWTF | Nederland | 1.2 |
| City Of Woodville South WWTP | Woodville | 1.2 |
| Harris County Mud 50 WWTP | Crosby | 1.19 |
| Harris County Mud 165 WWTP | Houston | 1.19 |
| Northampton Mud WWTP | Houston | 1.19 |
| City Of Hempstead WWTP | Hempstead | 1.18 |
| City Of Alamo WWTP | Alamo | 1.18 |
| Hunterwood Apartments WWTF | Houston | 1.17 |
| Squabble Creek WWTP | Rockwall County | 1.17 |
| City Of Palacios-Chlorinator | Palacios | 1.17 |
| Nassau Bay WWTP - Upper Bay | Nassau Bay | 1.16 |
| Harris County Mud 102 WWTP | Houston | 1.16 |
| City Of Huntsville | Huntsville | 1.15 |
| Rosita Valley WWTP | Eagle Pass | 1.15 |
| Atascosa River WWTF | Pleasanton | 1.14 |
| City Of New Boston WWTP | New Boston | 1.13 |
| Charterwood Mud WWTP | Houston | 1.13 |
| City Of Aledo WWTP | Aledo | 1.13 |
| Harris County Mud 189 WWTP | Houston | 1.13 |
| Gleannloch Farms WWTF | Spring | 1.13 |
| Wild Horse Ranch WWTP | Austin | 1.12 |
| City Of Gilmer | Gilmer | 1.12 |
| City Of Winnsboro WWTP | Winnsboro | 1.11 |
| City Of Lamesa WWTP | Lamesa | 1.11 |
| Blackhawk Creek WWTP | Whitehouse | 1.11 |
| Aransas Pass WWTP | Aransas Pass | 1.11 |
| San Augustine WWTF | San Augustine | 1.11 |
| Trophy Club Mud 1 | Trophy Club | 1.1 |
| Harris Co Mud 71 WWTP | Katy | 1.1 |
| Terramar WWTP | Galveston | 1.1 |
| Sparks Branch WWTF | Pittsburg | 1.1 |
| City Of Decatur-Swtp - 800 Water Plant Rd | Decatur | 1.1 |
| Meadows Place WWTP | Stafford | 1.1 |
| Harris County Mud 344 WWTP | Houston | 1.08 |
| Rayford Road Mud WWTP | Houston | 1.08 |
| City Of Hearne WWTP 2 | Hearne | 1.07 |
| Winchester Country Regional WWTP | Houston | 1.07 |
| Harris County Mud 70 | Houston | 1.06 |
| Tdcj Ferguson Unit | Midway | 1.06 |
| Grand Lakes Mud 4 | Houston | 1.06 |
| River Plantation Mud WWTF | Conroe | 1.05 |
| City Of Snyder | Snyder | 1.05 |
| NW Harris County Mud 5 Plant 2 | Cypress | 1.05 |
| Harris County Mud 150 WWTP | Houston | 1.05 |
| Langham Creek Utility District-Plant 1 - 17650 Glenmorris Dr | Houston | 1.04 |
| Cypress Hill Mud 1 WWTP | Houston | 1.04 |
| City Of Pearsall WWTP | Pearsall | 1.04 |
| City Of Gladewater WWTF | Gladewater | 1.04 |
| Dunlap WWTF | Seguin | 1.04 |
| City Of La Feria WWTP 2 | La Feria | 1.04 |
| Thompsons Creek WWTP | Bryan | 1.03 |
| Robstown WWTF | Robstown | 1.03 |
| Reid Road Mud 1 WWTP | Houston | 1.03 |
| Northwest Water Reclamation Plant | Lubbock | 1.03 |
| East Cedar Creek Fwsd North WWTP | Mabank | 1.02 |
| Woodforest Interim 1wwtp | Montgomery | 1.02 |
| Park Ten Mud | Houston | 1.01 |
| City Of Dalhart WWTP | Dalhart | 1.01 |
| City Of Vernon WWTF | Vernon | 1.01 |