We found 165 public water systems that could serve the same population as Carter Lumber-knox County (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mount Vernon City Pws | Mount Vernon | 18,221 | 20 | 3 |
| Knox County Water And Wastewater Pws | County of Knox | 7,500 | 0 | 3 |
| Fredericktown Village | County of Knox | 2,493 | 0 | 6 |
| Gambier Village Pws | County of Knox | 2,391 | 0 | 10 |
| Mgr,kenyon College Water Suply | Gambier | 2,000 | 0 | 0 |
| Centerburg Village Pws | County of Knox | 1,776 | 0 | 65 |
| Danville Village Pws | County of Knox | 1,044 | 0 | 97 |
| Hot Rods Sunoco | County of Knox | 875 | 0 | 0 |
| East Knox Elementary School | County of Knox | 550 | 0 | 0 |
| Faith Baptist Church | Mount Vernon | 406 | 0 | 0 |
| Knox-new Hope School | Mount Vernon | 300 | 0 | 0 |
| Centerburg Church Christ | Centerburg | 285 | 0 | 0 |
| The 99er | County of Knox | 268 | 0 | 0 |
| Mohican Wilderness Camp | County of Knox | 250 | 0 | 20 |
| Odmrdd-mt Vernon Dev Ctr | Mount Vernon | 242 | 0 | 0 |
| Camp Mcpherson | County of Knox | 240 | 0 | 11 |
| Martinsburg Village Pws | County of Knox | 233 | 0 | 19 |
| Table Rock Golf Club | County of Knox | 224 | 0 | 13 |
| Catholic Youth Summer Camp Pws | County of Knox | 221 | 0 | 0 |
| Smithhisler Meats Inc Pws | County of Knox | 216 | 0 | 3 |
| Covenant Christian Church Of God Pws | County of Knox | 204 | 0 | 0 |
| New Life Community Church | County of Knox | 202 | 0 | 2 |
| Apostolic Church-mount Vernon Pws | County of Knox | 200 | 0 | 4 |
| Centerburg Conservation | Centerburg | 200 | 0 | 0 |
| Centerburg Park | County of Knox | 200 | 0 | 0 |
| Kokosing Dam Office | County of Knox | 200 | 0 | 0 |
| Central Church Of Christ | Mount Vernon | 180 | 0 | 0 |
| Mount Vernon Academy | County of Knox | 174 | 0 | 0 |
| Christ The King Community Church Pws | County of Knox | 173 | 0 | 1 |
| Westgate Mobile Home Community | County of Knox | 161 | 0 | 10 |
| Camp Mohaven | County of Knox | 150 | 0 | 14 |
| Palmyra Church Of Christ Pws | County of Knox | 150 | 0 | 2 |
| Lannings Foods | County of Knox | 148 | 0 | 0 |
| Mgr;the Ohio Eastern Star Home | County of Knox | 142 | 0 | 0 |
| Mt Vernon Church Of God | County of Knox | 125 | 0 | 19 |
| Chapel Hill Golf Course | County of Knox | 115 | 0 | 0 |
| Austin Bradley Tanning Co Pws | Mount Vernon | 115 | 0 | 0 |
| Rainbow Springs Family | County of Knox | 110 | 0 | 0 |
| Colonial Terrace Mhp | County of Knox | 110 | 0 | 0 |
| 84 Lumber Co Pws (0351) | County of Knox | 110 | 0 | 0 |
| WYANDOT GOLF COURSE | County of Knox | 106 | 0 | 0 |
| Santmyer Oil Co Dba Rowe Oil Pws | County of Knox | 104 | 0 | 0 |
| North Branch Kokosing Dam Camp Pws | County of Knox | 100 | 0 | 0 |
| Kokosing Valley Campground Pws | County of Knox | 100 | 0 | 0 |
| Mohican Reservation Camp | County of Knox | 100 | 0 | 0 |
| Spearman's Restaurant Pws | Howard | 100 | 0 | 0 |
| Mgr,columbia Gas Company | County of Knox | 100 | 0 | 0 |
| Knox County Fairgrounds | County of Knox | 100 | 0 | 0 |
| Messiah Church | County of Knox | 100 | 0 | 0 |
| Camp Marantha | County of Knox | 100 | 0 | 0 |
| Brandon Baptist Church | Mount Sterling | 100 | 0 | 0 |
| Mt.vernon Bible College,sys.#1 | County of Knox | 95 | 0 | 0 |
| Living Hope Conservative Mennonite Pws | County of Knox | 90 | 0 | 0 |
| Applevalley Clubhouse | County of Knox | 90 | 0 | 0 |
| Dry Maners Creek Mhp | County of Knox | 87 | 0 | 0 |
| Camp Maranatha | County of Knox | 80 | 0 | 0 |
| Whip-poor-will Hills Camp | County of Knox | 80 | 0 | 0 |
| Deer Hollow Golf Course, Llc | County of Knox | 79 | 0 | 0 |
| Irish Hills Golf Course | County of Knox | 75 | 0 | 0 |
| Knox County Service Center | County of Knox | 75 | 0 | 0 |
| United Producers, Inc. Pws | County of Knox | 75 | 0 | 0 |
| Uncle Johns Campsite | County of Knox | 75 | 0 | 0 |
| Container General Corp | County of Knox | 75 | 0 | 0 |
| Morning View Care Center | County of Knox | 73 | 0 | 0 |
| Grandview Mhp A Pws | County of Knox | 72 | 0 | 0 |
| Grandview Mhp-a | County of Knox | 72 | 0 | 0 |
| Northside Manor Nursing | Mount Vernon | 72 | 0 | 0 |
| Drexel J Thrash Training | County of Knox | 70 | 0 | 0 |
| Ecr Computers Pws | County of Knox | 70 | 0 | 0 |
| Tsc Store Pws | Mount Vernon | 68 | 0 | 0 |
| Kokosing Construction Co | Fredericktown | 65 | 0 | 0 |
| Mt Zion House Of Prayer Pws | County of Knox | 61 | 0 | 0 |
| Bladensburg Diner Pws | County of Knox | 60 | 0 | 0 |
| Apostolic Lthouse Church | Saint Louisville | 60 | 0 | 0 |
| Cuddy Farms Inc | County of Knox | 60 | 0 | 0 |
| Complete Care Animal Hospital Pws | County of Knox | 56 | 0 | 0 |
| Mt. Vernon Country Club, Ltd. Pws | County of Knox | 55 | 0 | 0 |
| Seventh Day Adventists | County of Knox | 55 | 0 | 0 |
| Supt,knox County Home | County of Knox | 53 | 0 | 0 |
| Hidden Hills Golf Course | County of Knox | 52 | 0 | 0 |
| Rustic Knolls Campground | County of Knox | 50 | 0 | 0 |
| Camp Mcpherson Lodge Pws | County of Knox | 50 | 0 | 0 |
| Hidden Holes Golf Club | County of Knox | 50 | 0 | 0 |
| The Cornucopia | County of Knox | 50 | 0 | 0 |
| The Kid's Garden Pws | Mount Vernon | 50 | 0 | 0 |
| Camp Millwood | County of Knox | 50 | 0 | 0 |
| Gods Rolling Acres | County of Knox | 50 | 0 | 0 |
| Knox County Airport | County of Knox | 50 | 0 | 0 |
| Rural Farm Distributor | County of Knox | 50 | 0 | 0 |
| Village True Value | County of Knox | 50 | 0 | 0 |
| Knox County Opportunity Ctr/health Dept | Mount Sterling | 50 | 0 | 0 |
| Cochrans Lit-le Lambs Learning Ctr Pws | County of Knox | 50 | 0 | 0 |
| Lucky Lady Bar | County of Knox | 49 | 0 | 0 |
| Apple Valley Golf Snackbar | County of Knox | 49 | 0 | 0 |
| Orchard Mobile Home Park | Mount Vernon | 48 | 0 | 0 |
| Grandview Mhp B | County of Knox | 47 | 0 | 0 |
| Caves Campgrounds | Danville | 46 | 0 | 0 |
| Grain & Garden Eatery | County of Knox | 46 | 0 | 0 |
| The Mohicans Pws | County of Knox | 45 | 0 | 0 |
| Joy Of Living Ministries Inc Pws | County of Knox | 43 | 0 | 0 |
| Mt.vernon Foods Inc. | Mount Vernon | 43 | 0 | 0 |
| Davis's Family Breeze Inn | County of Knox | 42 | 0 | 0 |
| Mid-ohio Pws | County of Knox | 42 | 0 | 0 |
| Mrl, Ii Ltd | County of Knox | 40 | 0 | 0 |
| Camp Cornish | Utica | 40 | 0 | 0 |
| Knox County Engineer-garage | Mount Vernon | 40 | 0 | 0 |
| Big Brothers/big Sisters | Mount Vernon | 40 | 0 | 0 |
| Divelbiss Corporation | County of Knox | 40 | 0 | 0 |
| First Church Of God-fredericktown Pws | County of Knox | 40 | 0 | 0 |
| Small's Sand & Gravel Inc Pws | Gambier | 40 | 0 | 0 |
| Concepts In Community Living Inc | Mount Vernon | 40 | 0 | 0 |
| Dutch's Place | Mount Vernon | 40 | 0 | 0 |
| Ag Forte, Llc | County of Knox | 38 | 0 | 0 |
| Brookside Motel | County of Knox | 38 | 0 | 0 |
| Conceptual Products Inc | County of Knox | 37 | 0 | 0 |
| Goetzman Chrysler Pws | County of Knox | 37 | 0 | 0 |
| Harcourt Motel | County of Knox | 35 | 0 | 0 |
| Mgr,professional Center Of Agr | County of Knox | 35 | 0 | 0 |
| Potemkin Industries Inc Pws | County of Knox | 34 | 0 | 0 |
| Movers And Shuckers, Llc Pws | County of Knox | 33 | 0 | 0 |
| Meadow Brook Amish School | Fredericktown | 33 | 0 | 0 |
| Wilhelm Estates Mhp | Mount Vernon | 31 | 0 | 0 |
| John Decosky Chevrolet | County of Knox | 30 | 0 | 0 |
| John Decosky Pontiac | County of Knox | 30 | 0 | 0 |
| Troyers Of Apple Valley Pws | County of Knox | 30 | 0 | 0 |
| Kenyon College Brown Family Environmenta | County of Knox | 30 | 0 | 0 |
| Route 13 Stop Pws | County of Knox | 30 | 0 | 0 |
| Knotty Pines Restaurant | County of Knox | 30 | 0 | 0 |
| Kokosing Construction | County of Knox | 30 | 0 | 0 |
| Leedys Park | County of Knox | 30 | 0 | 0 |
| Mcfarland Brothers Sales | County of Knox | 30 | 0 | 0 |
| Gunnoe Chevrolet | County of Knox | 30 | 0 | 0 |
| South Point Plaza Pws | Mount Vernon | 30 | 0 | 0 |
| Grapevine Diner | Mount Vernon | 30 | 0 | 0 |
| Odot Knox County Garage Pws | Jacksontown | 28 | 0 | 0 |
| B-j's Sports Pub Inc | Mount Vernon | 28 | 0 | 0 |
| Oglebay Norton Ind. Sands Inc. | Howard Twp | 28 | 0 | 0 |
| Ross Jeep Eagle Pws | Mount Vernon | 28 | 0 | 0 |
| Choo Choos Place Pws | County of Knox | 28 | 0 | 0 |
| Kopperts Korner School Pws | County of Knox | 27 | 0 | 0 |
| Mt.vernon Bible College,sys.#2 | County of Knox | 26 | 0 | 0 |
| Glen Hill Orchards - Ag Camp Pws | County of Knox | 25 | 0 | 0 |
| Shearer Equipment | County of Knox | 25 | 0 | 0 |
| Vino Where You Live Llc | County of Knox | 25 | 0 | 0 |
| Journey Church | County of Knox | 25 | 0 | 0 |
| Mgr,buckeye Culvert & Supply | County of Knox | 25 | 0 | 0 |
| Mgr,columbia Gas Company | County of Knox | 25 | 0 | 0 |
| Deliverance Today Taberna | County of Knox | 25 | 0 | 0 |
| Fredericktown Saddle Club | County of Knox | 25 | 0 | 0 |
| Jelloway Wesleyan Church | County of Knox | 25 | 0 | 0 |
| Locust Knob Amish School | Fredericktown | 25 | 0 | 0 |
| United Telephone Company | Mount Vernon | 25 | 0 | 0 |
| Wmvo Radio Station | County of Knox | 25 | 0 | 0 |
| Columbia Gas Of Ohio-mount Vernon Pws | County of Knox | 25 | 0 | 0 |
| Stone Country Spring Water | County of Knox | 25 | 0 | 0 |
| Danville Church Of Christ Pws | County of Knox | 25 | 0 | 0 |
| Mgr,careys Mobile Home Park | County of Knox | 25 | 0 | 0 |
| Mgr-wilhelm Mobile Home Est. | County of Knox | 25 | 0 | 0 |
| Mgr,wilmotte Mobile Home Park | County of Knox | 20 | 0 | 0 |
| Principal,westview School | County of Knox | 19 | 0 | 0 |
| Halfway Inn | County of Knox | 15 | 0 | 0 |
| Glen Hill Orchard Migrant Camp (old) Pws | Gambier | 12 | 0 | 0 |
| Koppert Corner Amish School | County of Knox | 10 | 0 | 0 |
| Prin,locust Grove Amish School | County of Knox | 10 | 0 | 0 |
| Prin,locust Knob Amish School | County of Knox | 10 | 0 | 0 |