We found 259 public water systems that could serve the same population as Camp Francis Johnson (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Orange Park Grid | Middleburg | 109,991 | 69 | 4 |
| Pace/fleming Grid | Fleming Island | 36,327 | 24 | 5 |
| Orange Park South Grid | Orange Park | 17,399 | 0 | 0 |
| Spencer's Crossing/oakleaf Grid Wtp | Orange Park | 12,810 | 0 | 0 |
| Ridaught Landing Wtp/clay Util | Middleburg | 11,253 | 0 | 0 |
| Lake Asbury Wtp | Orange Park | 10,294 | 0 | 3 |
| Lucy Branch Water Plant | Orange Park | 9,957 | 0 | 0 |
| Orange Park Water Plant | Orange Park | 9,042 | 0 | 12 |
| Orange Park North | County of Clay | 7,500 | 0 | 0 |
| Green Cove Springs Wtp | Green Cove Springs | 6,500 | 0 | 6 |
| Keystone Postmaster Grid | Keystone Heights | 6,255 | 0 | 5 |
| Orange Park South | Orange Park | 5,995 | 0 | 0 |
| Lakeside Estates | County of Clay | 4,800 | 0 | 0 |
| Fleming Oaks Wtp | County of Clay | 4,270 | 0 | 0 |
| Greenwood Estates Wtp | County of Clay | 3,500 | 0 | 0 |
| Ravines Wtp | Middleburg | 3,353 | 0 | 3 |
| Kingsley Service Co. | County of Clay | 3,300 | 0 | 0 |
| Ridgecrest Wtp | Orange Park | 2,035 | 0 | 0 |
| Jack Wilkinson Schools | Middleburg | 1,822 | 0 | 1 |
| Middleburg High School | Middleburg | 1,651 | 0 | 0 |
| Ridgeview Junior High School | County of Clay | 1,500 | 0 | 0 |
| St. Johns Landing | Green Cove Springs | 1,172 | 0 | 11 |
| Jack Wilkinson Middle School | Middleburg | 1,122 | 0 | 0 |
| Russell Baptist Church | Green Cove Springs | 1,000 | 0 | 1 |
| St. Johns River Comm. College | County of Clay | 1,000 | 0 | 0 |
| Rideout Landing Subdivision | Doctors Inlet | 1,000 | 0 | 0 |
| Tynes Elementary School | Middleburg | 968 | 0 | 0 |
| Lake Asbury Elementary School | County of Clay | 903 | 0 | 0 |
| Camp Blanding Joint Training Site | Starke | 900 | 0 | 21 |
| Ridgeview Elementary School | County of Clay | 900 | 0 | 0 |
| Middleburg Elementary School | Middleburg | 831 | 0 | 0 |
| Dr.'s Inlet Elementary School | County of Clay | 700 | 0 | 0 |
| Postmasters Village | Keystone Heights | 658 | 0 | 0 |
| Clay Hill Elementary School | Jacksonville | 553 | 0 | 7 |
| Mcrae Elementary School Wtp | Keystone Heights | 529 | 0 | 3 |
| Reynold's Industrial Park | County of Clay | 500 | 0 | 0 |
| Grande Olde Plaza | Jacksonville | 500 | 0 | 0 |
| Penney Farms Retirement Community Wtp | Penney Farms | 450 | 0 | 8 |
| Kingsley Lake Baptist Church | Starke | 445 | 0 | 18 |
| Black Creek Hills Subdivision | Middleburg | 416 | 0 | 0 |
| Russell Baptist Church | County of Clay | 400 | 0 | 0 |
| Ridgewood Baptist Church | County of Clay | 375 | 0 | 0 |
| Briarwood Apts. Of Middleburg | Middleburg | 367 | 0 | 0 |
| Penney Farms Wtp | Penney Farms | 350 | 0 | 12 |
| Heritage Farms | County of Clay | 350 | 0 | 0 |
| Mcrae Landing | County of Clay | 325 | 0 | 0 |
| Asbury United Methodist Church | County of Clay | 300 | 0 | 0 |
| Gustafsons Dairy | County of Clay | 300 | 0 | 0 |
| Long Branch Baptist Church | County of Clay | 300 | 0 | 0 |
| Church Of God | County of Clay | 250 | 0 | 0 |
| First Baptist Church | County of Clay | 250 | 0 | 0 |
| Highland Baptist Church | County of Clay | 250 | 0 | 0 |
| Peter's Creek Wtp | Green Cove Springs | 231 | 0 | 0 |
| Camp Crystal Lake | Starke | 200 | 0 | 7 |
| Black Pond Baptist Church | County of Clay | 200 | 0 | 0 |
| Middleburg Assembly Of God | County of Clay | 200 | 0 | 0 |
| Trinity Youth Camp | County of Clay | 200 | 0 | 0 |
| Pier Station Wtp | Green Cove Springs | 193 | 0 | 5 |
| Evangel Temple Southwest | Middleburg | 180 | 0 | 4 |
| Lake Asbury Baptist Church | Green Cove Springs | 175 | 0 | 0 |
| Hideaway T/p | County of Clay | 170 | 0 | 0 |
| Kid's World Child Care Center, Inc. | Middleburg | 164 | 0 | 37 |
| Doctor's Inlet Civic Center | County of Clay | 150 | 0 | 0 |
| Keystone First Assembly Of God | County of Clay | 150 | 0 | 0 |
| Shiloh Baptist Church | County of Clay | 150 | 0 | 0 |
| Vfw Post | County of Clay | 150 | 0 | 0 |
| Wee Care Day Care | Middleburg | 142 | 0 | 0 |
| Faith Baptist Church | County of Clay | 130 | 0 | 0 |
| Fleming Island Baptist Church | County of Clay | 130 | 0 | 0 |
| Ridgewood Water Company, Inc. | Orange Park | 125 | 0 | 0 |
| South Middleburg Baptist Church Wtp | Middleburg | 120 | 0 | 0 |
| Orange Park Kindergarden | Orange Park | 110 | 0 | 0 |
| Tender Hearts Daycare | Middleburg | 110 | 0 | 0 |
| Family Of God Church | County of Clay | 107 | 0 | 0 |
| Florida Rock Company | County of Clay | 105 | 0 | 0 |
| Green Cove Springs Church Of Christ | Green Cove Springs | 100 | 0 | 0 |
| Long Branch Baptist Church | Maxville | 100 | 0 | 0 |
| Jungle Retreat Bar | Orangedale | 100 | 0 | 0 |
| Middleburg 21/218 Ctr/jiffy122 | Middleburg | 100 | 0 | 0 |
| Point Condominiums | County of Clay | 100 | 0 | 0 |
| Orange Park Gymnastics | County of Clay | 100 | 0 | 0 |
| Berean Baptist Church | County of Clay | 100 | 0 | 0 |
| Black Creek Baptist Church | County of Clay | 100 | 0 | 0 |
| Church Of The Brethren | County of Clay | 100 | 0 | 0 |
| Clay Hill Baptist Church | County of Clay | 100 | 0 | 0 |
| Clay Hill Neighborhood Center | County of Clay | 100 | 0 | 0 |
| Clay Mavericks | Middleburg | 100 | 0 | 0 |
| Congregational Holiness Church | Green Cove Sprg | 100 | 0 | 0 |
| Decoy Baptist Church | County of Clay | 100 | 0 | 0 |
| Oak Grove Baptist Church | County of Clay | 100 | 0 | 0 |
| Rio Vista T | Green Cove Sprg | 100 | 0 | 0 |
| Iluka Resources, Inc. | Green Cove Springs | 100 | 0 | 0 |
| Middleburg Bluff Apartments | Middleburg | 95 | 0 | 0 |
| Kingsley Trailer Court | Orange Park | 94 | 0 | 0 |
| In Loving Hands Daycare | Keystone Heights | 92 | 0 | 0 |
| Gilman Maxville | Jacksonville | 90 | 0 | 0 |
| Redd Team Mfgr. | Keystone Heights | 90 | 0 | 0 |
| Millican S/d | Lake Geneva | 90 | 0 | 0 |
| Mobro Marine, Inc. | Green Cove Springs | 80 | 0 | 0 |
| Gadara Baptist Church | Keystone Heights | 80 | 0 | 0 |
| St. Lukes Catholic Church | Middleburg | 80 | 0 | 0 |
| N. Fla. Christian Service Camp | Keystone Height | 80 | 0 | 0 |
| Kingdom Hall Green Cove Springs | Penney Farms | 75 | 0 | 0 |
| Aat Omega | Keystone Heights | 75 | 0 | 0 |
| Ollie's Day Care Center | County of Clay | 75 | 0 | 0 |
| Keystone Heights Church Of God | County of Clay | 75 | 0 | 0 |
| Grace Missionary Baptist Churc | County of Clay | 75 | 0 | 0 |
| Little Ruth Baptist Church | County of Clay | 75 | 0 | 0 |
| Peoria Baptist Church | County of Clay | 75 | 0 | 0 |
| Riverview Camper ; Mhp | County of Clay | 75 | 0 | 0 |
| Wright's Dairy | County of Clay | 75 | 0 | 0 |
| State Road Prison | County of Clay | 68 | 0 | 0 |
| Lake Geneva Mhp | Lake Geneva | 66 | 0 | 0 |
| Boundless Love Church | County of Clay | 65 | 0 | 0 |
| Florida Reptile Land | Lawtey | 65 | 0 | 0 |
| J-m Manufacturing Inc. | County of Clay | 65 | 0 | 0 |
| Palms Trailer Park | Palm Trailer Pa | 60 | 0 | 0 |
| Dixie Vim | County of Clay | 60 | 0 | 0 |
| Florida Rock And Tank Company | County of Clay | 53 | 0 | 0 |
| Calvary Baptist Church | Middleburg | 50 | 0 | 0 |
| Feed Lot | Middleburg | 50 | 0 | 0 |
| Bobby Joe's | County of Clay | 50 | 0 | 0 |
| First Assembly Of God | County of Clay | 50 | 0 | 0 |
| Hillandale Farms Of Fla Inc | Middleburg | 50 | 0 | 0 |
| Kingsley Lake Baptist Church | County of Clay | 50 | 0 | 0 |
| Lilas Bar | County of Clay | 50 | 0 | 0 |
| New Bethel Baptist Church | County of Clay | 50 | 0 | 0 |
| Cargill Hatchery | County of Clay | 50 | 0 | 0 |
| Pinebreeze Farms | Keystone Height | 50 | 0 | 0 |
| Smith Lake Grocery | County of Clay | 50 | 0 | 0 |
| Middleburg Headstart | Middleburg | 46 | 0 | 0 |
| Middleburg Church Of God | Middleburg | 45 | 0 | 0 |
| American Day Care | County of Clay | 45 | 0 | 0 |
| Kid's Kountry Inc Dcc | County of Clay | 45 | 0 | 0 |
| Freemans Mhp | Orange Park | 45 | 0 | 0 |
| Gadaro Baptist Church | County of Clay | 45 | 0 | 0 |
| Lake Hill Baptist Church | County of Clay | 45 | 0 | 0 |
| Oliver Plaza | Middleburg | 40 | 0 | 0 |
| Middleburg Presbyterian Church | Middleburg | 40 | 0 | 0 |
| Clay Baptist Temple | County of Clay | 40 | 0 | 0 |
| Hagan's T/p | Orange Park | 40 | 0 | 0 |
| Keystone Motel | Keystone Height | 40 | 0 | 0 |
| Middleburg Church Of God | Middleburg | 40 | 0 | 0 |
| Middleburg Civic Center | County of Clay | 40 | 0 | 0 |
| Orange Park Christian Church | County of Clay | 40 | 0 | 0 |
| White Elephant Tavern | County of Clay | 40 | 0 | 0 |
| Carpenter Shoe Company | County of Clay | 37 | 0 | 0 |
| Whitley Steel Co., Inc. | Maxville | 35 | 0 | 0 |
| Chemours - Trailridge Plant | Starke | 35 | 0 | 0 |
| Middleburg Assembly Of God | County of Clay | 35 | 0 | 0 |
| Palmetto Plaza | Orange Park | 35 | 0 | 0 |
| Lakeview Villa Mhp | Keystone Heights | 35 | 0 | 0 |
| Middleburg United Methodist | County of Clay | 35 | 0 | 0 |
| St Luke Baptist Church | County of Clay | 35 | 0 | 0 |
| Heritage Christian Academy | County of Clay | 33 | 0 | 0 |
| Orange Park Alliance Church | Orange Park | 32 | 0 | 0 |
| Florida Solite Company | Green Cove Sprg | 32 | 0 | 0 |
| Middleburg Christian Academy | County of Clay | 31 | 0 | 0 |
| Whiteys Fish Camp | Orange Park | 30 | 0 | 0 |
| National Training | Green Cove Springs | 30 | 0 | 0 |
| Green Cove Springs Church Of God | Green Cove Springs | 30 | 0 | 0 |
| Little People's Place | Orange Park | 30 | 0 | 0 |
| New Florida Inc | County of Clay | 28 | 0 | 0 |
| Kingsley Lake Fire Tower | County of Clay | 26 | 0 | 0 |
| North Fork Property | Middleburg | 25 | 0 | 0 |
| Camp Blanding Live Fire Shoot House | Starke | 25 | 0 | 0 |
| Blue Jay Bp | Middleburg | 25 | 0 | 0 |
| Black Creek Park | Green Cove Springs | 25 | 0 | 0 |
| Sheriff's Substation | Middleburg | 25 | 0 | 0 |
| Little Rain Park | Keystone Heights | 25 | 0 | 0 |
| Advance Auto Parts # 9307 | Keystone Heights | 25 | 0 | 0 |
| Beulah Missionary Baptist Church | Green Cove Springs | 25 | 0 | 0 |
| Dollar General - Middleburg | Middleburg | 25 | 0 | 0 |
| Twin Lakes Park | Keystone Heights | 25 | 0 | 0 |
| Lake Hill Baptist Church | Keystone Heights | 25 | 0 | 0 |
| Circle K #6286 | Middleburg | 25 | 0 | 0 |
| Circle K #6267 | Orange Park | 25 | 0 | 0 |
| Circle K #6065 | Middleburg | 25 | 0 | 0 |
| Circle K #6211 | Keystone Heights | 25 | 0 | 0 |
| Circle K #6290 | Middleburg | 25 | 0 | 0 |
| Circle K #6508 | Keystone Heights | 25 | 0 | 0 |
| Blanding Grocery | Middleburg | 25 | 0 | 0 |
| Aerie 4365 | Middleburg | 25 | 0 | 0 |
| Circle K # 1297 | Middleburg | 25 | 0 | 0 |
| Geneva Oil Bp, Inc. Wtp | Keystone Heights | 25 | 0 | 0 |
| Camp Chowenwaw | Green Cove Springs | 25 | 0 | 0 |
| Camp Echockotee | Orange Park | 25 | 0 | 0 |
| Clay County Fair Grounds | Green Cove Springs | 25 | 0 | 0 |
| Vfw Post #8255 | Middleburg | 25 | 0 | 0 |
| Doctor's Lake Marina | Orange Park | 25 | 0 | 0 |
| Clay Fire Station # 14 | Middleburg | 25 | 0 | 0 |
| Main Street Park | Middleburg | 25 | 0 | 0 |
| Tnt Lounge ; Liquor | Middleburg | 25 | 0 | 0 |
| Middleburg Bp | Middleburg | 25 | 0 | 0 |
| Advance Auto Parts # 9244 | Green Cove Springs | 25 | 0 | 0 |
| Advance Auto Parts # 9395 | Middleburg | 25 | 0 | 0 |
| Olde Point Plaza | Middleburg | 25 | 0 | 0 |
| Shifty's Hideaway | Keystone Heights | 25 | 0 | 0 |
| Hunter Douglas Park | Middleburg | 25 | 0 | 0 |
| Gristmill Center | Middleburg | 25 | 0 | 0 |
| Omega Park | Middleburg | 25 | 0 | 0 |
| Camp Immokalee | Keystone Heights | 25 | 0 | 0 |
| Middleburg Lds Meetinghouse | Middleburg | 25 | 0 | 0 |
| 1 Quickstop | Middleburg | 25 | 0 | 0 |
| Goldhead Branch State Park | Keystone Heights | 25 | 0 | 0 |
| John's Pit Stop | Green Cove Springs | 25 | 0 | 0 |
| Chevron-u.s. 17 & Kingsley Ave | Orange Park | 25 | 0 | 0 |
| Aunt Carolines Christian D.c. | Aunt Carolines | 25 | 0 | 0 |
| Middleburg Village Center | Middleburg | 25 | 0 | 0 |
| Clay/middleburg Library | Middleburg | 25 | 0 | 0 |
| Lil Champ #501 | County of Clay | 25 | 0 | 0 |
| Jiffy # 115 | County of Clay | 25 | 0 | 0 |
| Lil Champ #112 | Middleburg | 25 | 0 | 0 |
| Jiffy # 78 | County of Clay | 25 | 0 | 0 |
| Lil Champ #45 | Middleburg | 25 | 0 | 0 |
| Jiffy # 42 | County of Clay | 25 | 0 | 0 |
| Jiffy # 8 | County of Clay | 25 | 0 | 0 |
| Lil Champ # 1228 | County of Clay | 25 | 0 | 0 |
| Black Creek Plaza | Middleburg | 25 | 0 | 0 |
| Lil Champ # 1172 | Middleburg | 25 | 0 | 0 |
| Lil Champ # 1168 | County of Clay | 25 | 0 | 0 |
| Meadowlands Medical Center | Orange Park | 25 | 0 | 0 |
| Gate Station #160 | County of Clay | 25 | 0 | 0 |
| Taylor Concrete And Supply | County of Clay | 25 | 0 | 0 |
| Buckaroo Campground | County of Clay | 25 | 0 | 0 |
| Stricklands One Stop | Starke | 25 | 0 | 0 |
| Store House Park | County of Clay | 25 | 0 | 0 |
| River Lane S/d | County of Clay | 25 | 0 | 0 |
| Jarrell's Country Store | County of Clay | 25 | 0 | 0 |
| Clay County Rental | County of Clay | 25 | 0 | 0 |
| Way Radio | County of Clay | 25 | 0 | 0 |
| Parkridge Office Complex | County of Clay | 25 | 0 | 0 |
| Gustafson's Dairy | County of Clay | 25 | 0 | 0 |
| Annabelle's Ltd & Christmas Sh | County of Clay | 25 | 0 | 0 |
| J ; R's Pizza | Middleburg | 25 | 0 | 0 |
| Triest Water System | County of Clay | 25 | 0 | 0 |
| Pete Dalton Office Building | County of Clay | 25 | 0 | 0 |
| Magnolia Urgent Care Center | Green Cove Springs | 25 | 0 | 0 |
| Flash Foods # 184 | Middleburg | 25 | 0 | 0 |
| White Elephant Bar | Keystone Heights | 25 | 0 | 0 |
| Thunderbolt Park | Orange Park | 25 | 0 | 0 |
| Smithlake Bar | County of Clay | 25 | 0 | 0 |
| Family Medical Center Of Middleburg | Middleburg | 25 | 0 | 0 |
| Trinity Fabricators, Inc. | Green Cove Springs | 25 | 0 | 0 |
| Pine Crest Manor | Middleburg | 25 | 0 | 0 |
| Ringers Tavern | Green Cove Springs | 25 | 0 | 0 |
| Middleburg Post Office | Middleburg | 25 | 0 | 0 |
| Wendy's Hamburgers Middleburg | Middleburg | 25 | 0 | 0 |
| Hd Wings Wtp | Middleburg | 25 | 0 | 0 |
| Bp Gas Station | Middleburg | 25 | 0 | 0 |
| Beulah Missionary Baptist Chur | County of Clay | 25 | 0 | 0 |
| Lake Asbury Learning Center | County of Clay | 25 | 0 | 0 |
| Lois's Shandwich Shop | Orange Park | 25 | 0 | 0 |
| Middleburg Headstart | Middleburg | 25 | 0 | 0 |
| Rays Coffee Shop | County of Clay | 25 | 0 | 0 |
| Strickland's Landing | Starke | 25 | 0 | 0 |
| Clay County Shrine Club | County of Clay | 25 | 0 | 0 |
| Townsend T/p | County of Clay | 20 | 0 | 0 |
| Kingsley Cove | Starke | 2 | 0 | 0 |