| Cowen Psd | Cowen | 57.18 |
| Town Of Kermit | Kermit | 38.02 |
| Huntington WWTP | Huntington | 9.72 |
| The Sanitary Board Of The City Of Charleston, West Virginia | Charleston | 8.65 |
| City Of Wheeling - Water Pollution Control Division | Wheeling | 6.48 |
| Fairmont Wastewater Treatment Plant | Fairmont | 5.65 |
| Parkersburg Utility Board | Parkersburg | 5.61 |
| Clarksburg Sanitary Bd | Clarksburg | 5.36 |
| South Charleston Wwtw | South Charleston | 4.93 |
| Logan City Of | Logan | 4.14 |
| Princeton, City Of | Princeton | 3.59 |
| Moorefield/hardy County Regional Wastewater | Moorefield | 2.99 |
| Hurricane City Of | Hurricane | 2.45 |
| Oceana Town Of | Lynco | 2.12 |
| Martinsburg City Of WWTP | Martinsburg | 2.03 |
| Malden Public Service District | Charleston | 1.94 |
| Bridgeport Wastewater Treatment Plant | Bridgeport | 1.65 |
| Oh/ Inw/ Bh/ NE 001-004 | Martinsburg | 1.62 |
| City Of St. Albans | Saint Albans | 1.49 |
| Rocky Fork Wastewater Plant | Cross Lanes | 1.45 |
| North Beckley Psd | Beckley | 1.22 |
| Keyser City Of | Keyser | 1.22 |
| Charles Town Utility Board | Charles Town | 1.19 |
| Weston City Of | Weston | 1.16 |
| City Of Ronceverte | Ronceverte | 1.13 |
| Grafton City Of | Grafton | 1.1 |
| Sanitary Board | Barboursville | 1.01 |
| Richwood City Of | Richwood | 0.99 |
| Shady Spring Psd | Beaver | 0.96 |
| Buckhannon Sewer Plant | Buckhannon | 0.94 |
| Green Valley-Glenwood Psd | Princeton | 0.91 |
| Salt Rock Sewer Psd | Ona | 0.84 |
| Pea Ridge Public Svc | Barboursville | 0.8 |
| Welch City Of | Welch | 0.75 |
| Oak Hill, City Of | Oak Hill | 0.74 |
| Kanawha Falls Psd | Deepwater | 0.73 |
| Ravencliff-Mcgraws-Saulsville Psd | Mcgraws | 0.72 |
| Crab Orchard/macarthur Psd | Macarthur | 0.71 |
| Kanawha Public Service District | Chelyan | 0.71 |
| Summersville, City Of | Summersville | 0.7 |
| Elk-Pinch Public Servic Distri | Elkview | 0.7 |
| Philippi City Of | Philippi | 0.66 |
| Lincoln Public Service District | Alum Creek | 0.64 |
| Warm Springs Psd | Berkeley Springs | 0.63 |
| Preston County Sewer Psd | Bruceton Mills | 0.59 |
| Kingwood City Of | Kingwood | 0.56 |
| City Of Glenville | Glenville | 0.55 |
| Frankfort Public Service District | Patterson Creek | 0.54 |
| Crab Creek WTP | Gallipolis Ferry | 0.5 |
| City Of Petersburg | Petersburg | 0.5 |
| Southern Jackson County Psd | Kenna | 0.49 |
| Rowlesburg,town Of | Rowlesburg | 0.46 |
| City Of Spencer | Spencer | 0.44 |
| Mineral Wells Psd | Mineral Wells | 0.41 |
| Flatwoods-Canoe Run Public Service District | Gassaway | 0.4 |
| Red Sulphur Psd | Peterstown | 0.39 |
| Buffalo Creek Psd | Amherstdale | 0.38 |
| Salem City Of | Salem | 0.38 |
| Greater Harrison Co. Psd | West Milford | 0.37 |
| Ripley WWTP | Ripley | 0.37 |
| White Oak Psd | Scarbro | 0.37 |
| Union-Williams Psd | Waverly | 0.36 |
| Romney WWTP | Romney | 0.36 |
| Bradley Psd | Bradley | 0.35 |
| Town Of Marmet | Marmet | 0.35 |
| Milton Water Plant | Milton | 0.35 |
| City Of Parsons | Parsons | 0.35 |
| Follansbee City Of | Follansbee | 0.34 |
| Montgomery, City Of | Montgomery | 0.34 |
| Town Of Ansted | Ansted | 0.34 |
| Shinnston City Of WWTP | Shinnston | 0.33 |
| Shepherdstown WWTP | Shepherdstown | 0.33 |
| Boone County Psd | Danville | 0.33 |
| Norton-Harding-Jimtown Psd | Norton | 0.32 |
| Matewan Town Of | Matewan | 0.32 |
| Belington City Of | Belington | 0.32 |
| Eleanor Town Of | Eleanor | 0.31 |
| Sissonville Psd | Sissonville | 0.3 |
| Paden City WWTP | Paden City | 0.3 |
| Town Of Masontown | Reedsville | 0.3 |
| Harrisville Town Of | Harrisville | 0.3 |
| Marlinton, Town Of | Marlinton | 0.3 |
| Chester City Of | Chester | 0.27 |
| Delbarton Town Of | Delbarton | 0.27 |
| City Of Pennsboro | Pennsboro | 0.27 |
| Point Pleasant Wastewater Treatment Plant | Point Pleasant | 0.27 |
| Town Of Chapmanville | Chapmanville | 0.26 |
| Wellsburg, City Of | Wellsburg | 0.26 |
| Logan County Psd | Peach Creek | 0.26 |
| Corporation Of Harpers Ferry | Harpers Ferry | 0.25 |
| Bluefield, Sanitary Board Of | Bluefield | 0.25 |
| Craigsville Psd | Craigsville | 0.24 |
| Town Of West Union | West Union | 0.22 |
| Town Of Sophia | Sophia | 0.22 |
| Beverly Town Of | Beverly | 0.22 |
| Belle Town Of | Belle | 0.21 |
| Mannington City Of | Mannington | 0.2 |
| Claywood Park Psd-S. B. R. Pla | Parkersburg | 0.2 |
| Mcmechen City Of | Mcmechen | 0.19 |
| City Of Gary/warehouse Project | Gary | 0.18 |
| City Of Winfield | Winfield | 0.18 |
| Clarksburg Water Board | Clarksburg | 0.18 |
| Town Of Terra Alta | Terra Alta | 0.18 |
| Junior Town Of | Junior | 0.17 |
| Town Of Athens | Athens | 0.17 |
| City Of Williamstown | Williamstown | 0.17 |
| Pratt Town Of | Pratt | 0.16 |
| Center Psd | Pineville | 0.16 |
| Taylor County Psd WTP | Grafton | 0.16 |
| Pocahontas County Psd | Snowshoe | 0.16 |
| Putnam Psd - Hometown WWTP | Hometown | 0.16 |
| City Of Mount Hope | Mount Hope | 0.15 |
| New Haven Town Of | New Haven | 0.15 |
| City Of Mullens Sanitery Board | Mullens | 0.15 |
| Alderson WWTP | Alderson | 0.14 |
| Cameron, City Of | Cameron | 0.14 |
| Hinton Sanitary Board | Hinton | 0.14 |
| Franklin, Municipality Of-Treatment Plant | Franklin | 0.13 |
| Wayne, Town Of | Wayne | 0.13 |
| Town Of Newell | Newell | 0.12 |
| Glasgow Town Of | Glasgow | 0.11 |
| Farmington City Of | Farmington | 0.11 |
| Webster Springs Psd | Webster Springs | 0.11 |
| Harpers Ferry-Bolivar Psd | Harpers Ferry | 0.11 |
| Mason County Psd | Point Pleasant | 0.11 |
| St Mary'S City Of | Saint Marys | 0.1 |
| Buffalo Town Of | Buffalo | 0.1 |
| Middlebourne Town Of | Middlebourne | 0.1 |
| Woods Ii Subdivision | Martinsburg | 0.1 |
| Mason Town Of | Mason | 0.09 |
| Town Of Elizabeth | Elizabeth | 0.09 |
| Belmont Town Of | Belmont | 0.09 |
| Central Hampshire Psd-Booster Chlorination Treatment Plant | Romney | 0.09 |
| Worthington Town Of | Worthington | 0.09 |
| Hancock County Bus Garage | New Cumberland | 0.09 |
| War WWTP | War | 0.09 |
| Hamrick Psd | Hendricks | 0.08 |
| New Cumberland City Of | New Cumberland | 0.08 |
| Enlarged Hepzibah Psd | Hepzibah | 0.08 |
| Hancock County Psd | New Cumberland | 0.07 |
| Evans WWTP | Ripley, Wv | 0.07 |
| Paw Paw Town Of | Paw Paw | 0.07 |
| Flemington Town Of | Flemington | 0.07 |
| Central Boaz Public Service Di | Vienna | 0.07 |
| Poca Sewer Plant | Poca | 0.07 |
| Bethany Sanitation Board | Bethany | 0.06 |
| Bluewell Psd | Montcalm | 0.06 |
| Ravencliff-Mcgraws-Saulsville Psd | Glen Rogers | 0.06 |
| Union Town Of | Union | 0.06 |
| Wardensville Town Of | Wardensville | 0.06 |
| Town Of Fort Gay Wastewater Pond | Fort Gay | 0.06 |
| Shady Spring Psd | Ghent | 0.06 |
| Hamlin Psd | Hamlin | 0.05 |
| Burnsville Public Utility Board | Burnsville | 0.05 |
| Water Treatment Plant | Kenova | 0.05 |
| City Of Sistersville | Sistersville | 0.05 |
| Town Of Lumberport POTW | Lumberport | 0.05 |
| Putnam P S D-Peach Ridge Tank Booster Chlorination | Scott Depot | 0.05 |
| Mountwood Park WWTP | Waverly | 0.04 |
| Gilbert, Town Of | Gilbert | 0.04 |
| Page-Kincaid Psd | Kincaid | 0.04 |
| Clay Sanitation Plant | Clay | 0.04 |
| Cottageville Psd | Millwood | 0.04 |
| Canaan Valley Psd | Davis | 0.04 |
| Town Of Durbin | Durbin | 0.04 |
| Albright Sewer Dept. | Albright | 0.04 |
| Capon Bridge WWTP | Capon Bridge | 0.03 |
| West Hamlin Town Of | West Hamlin | 0.03 |
| Pine Grove Town Of | Pine Grove | 0.03 |
| Harvest Hills WWTP | Romney | 0.03 |
| Beech Bottom/franklin Manor | Beech Bottom | 0.03 |
| Town Of Meadow Bridge | Meadow Bridge | 0.03 |
| Thomas City Of | Thomas | 0.03 |
| Matoaka WWTP | Matoaka | 0.03 |
| Marshall County Sewerage District | Glen Dale | 0.02 |
| Hundred Operating Center | Hundred | 0.02 |
| Blacksville Sewage Department | Blacksville | 0.02 |
| Pax Town Of | Pax | 0.02 |
| Tyler County Psd-Treatment Plant | Friendly | 0.02 |
| Town Of Harman | Harman | 0.02 |
| Town Of Tunnelton | Tunnelton | 0.02 |
| Slab Fork Treatment Facilities | Slab Fork | 0.02 |
| Bramwell Psd | Bramwell | 0.02 |
| Alderson Water Plant | Alderson | 0.02 |
| Davis Town Of | Davis | 0.02 |
| Town Of Lumberport Water Plant | Lumberport | 0.01 |
| Rolling Acres Subdivision | Pt. Pleasant | 0.01 |
| Mt. Top Psd | Mount Storm | 0.01 |
| Northbrook WWTP | Falling Waters | 0.01 |
| Rupert Water Department | Rupert | 0.01 |
| Bradley Psd - Walhonde Subdivision #2 | Bradley | 0.01 |
| Rutherford Subdivision | Wayne | 0.01 |
| Stevenwood Subdivision | Surveyor | 0.01 |
| Town Of Wayne-Briarwood | Wayne | 0.01 |
| Wayne Middle School | Wayne | 0.01 |
| Hardy Cnty Psd-Baker WWTP | Baker | 0.01 |
| Meadow Creek Psd | Meadow Creek | 0.01 |
| Newburg WWTP | Newburg | 0.01 |
| Town Of Reedy | Reedy | 0.01 |
| Sandstone Sewage Facility | Sandstone | 0.01 |