U.S. Water Systems with High F Levels
Database of drinking water systems with high levels of naturally occurring fluoride; searchable by state.
Iowa (1993)
Unless otherwise noted, the following information comes from the Fluoridation Census 1992 published by the Centers for Disease Control and Prevention, Division of Oral Health, in 1993.
• It is not known if the water systems listed below are all still active
• The state Water System ID is the same as EPA’s preceded with the state’s initial. For example, Iowa would be IA0000000
State |
Water Systems |
County |
EPA ID No. |
Population |
Natural Level of Fluoride (ppm) |
0.8 ppm |
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A Milligram per Liter (mg/L) is the same as Part Per Million (ppm) Not all water fluoride levels are included in the Fluoridation Census 1992 |
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| Iowa | Andrew | Jackson | 4903050 | 319 | 0.8 |
| Iowa | Anthon | Woodbury | 9704060 | 638 | 0.8 |
| Iowa | Coralville | Johnson | 5208071 | 10,447 | 0.8 |
| Iowa | Dumont | Butler | 1240081 | 705 | 0.8 |
| Iowa | Hillside Estate | Iowa | 4800901 | 62 | 0.8 |
| Iowa | Holiday Lake | Poweshiek | 7909001 | 350 | 0.8 |
| Iowa | Ionia | Chickasaw | 1946078 | 304 | 0.8 |
| Iowa | Kesseler’s Homeowners Assoc | Johnson | 5200802 | 43 | 0.8 |
| Iowa | Le Grand | Marshall | 6457070 | 854 | 0.8 |
| Iowa | Lenmar Subdiv | Black Hawk | 0717353 | 120 | 0.8 |
| Iowa | Manson | Carroll | 1457025 | 1,484 | 0.8 |
| Iowa | Oakland | Pottawaattamie | 7856084 | 1,496 | 0.8 |
| Iowa | Oelwein | Fayette | 3353088 | 6,493 | 0.8 |
| Iowa | Olds | Henry | 4465093 | 775 | 0.8 |
| Iowa | Orchard | Michell | 6668001 | 93 | 0.8 |
| Iowa | Parkersburg | Butler | 1281028 | 1,804 | 0.8 |
| Iowa | Ridgeway | Winneshiek | 9680985 | 295 | 0.8 |
| Iowa | Rodman | Palo Alto | 7428022 | 56 | 0.8 |
| Iowa | South Oaks Estates | Kossuth | 5500602 | 73 | 0.8 |
| Iowa | Squaw Valley Homeowners | Story | 8500301 | 119 | 0.8 |
| Iowa | Titonka | Kosuth | 5588026 | 612 | 0.8 |
| Iowa | Waverly | Bremer | 0990085 | 8,539 | 0.8 |
| Iowa | Webster City | Hamilton | 4063094 | 7,894 | 0.8 |
| Iowa | Williamsburg | Iowa | 4884023 | 2,174 | 0.8 |
0.9 ppm |
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| Iowa | Chester | Howard | 4509024 | 158 | 0.9 |
| Iowa | Fort Dodge | Webster | 9433050 | 25,894 | 0.9 |
| Iowa | Hospers | Sioux | 8439058 | 643 | 0.9 |
| Iowa | Jewell | Hamilton | 4027010 | 1,106 | 0.9 |
| Iowa | Kamrar | Hamilton | 4033013 | 203 | 0.9 |
| Iowa | Klemme | Hancock | 4155035 | 587 | 0.9 |
| Iowa | Moorland | Webster | 9461007 | 209 | 0.9 |
| Iowa | Oak Lake | Kossuth | 5500838 | 79 | 0.9 |
| Iowa | Shellsburg | Benton | 0670043 | 765 | 0.9 |
| Iowa | Washta | Cherokee | 1880073 | 284 | 0.9 |
| Iowa | Wheatland | Clinton | 2394017 | 723 | 0.9 |
1.0 ppm |
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| Iowa | Ackley | Franklin | 4201001 | 1,750 | 1.0 |
| Iowa | Clear Lake | Cerro Gordo | 1716076 | 8,183 | 1.0 |
| Iowa | Cleghorn | Cherokee | 1817045 | 275 | 1.0 |
| Iowa | Colesburg | Delaware | 2809055 | 439 | 1.0 |
| Iowa | Conroy | Iowa | 4808068 | 275 | 1.0 |
| Iowa | De Witt | Clinton | 2330036 | 4,514 | 1.0 |
| Iowa | Denver | Bremer | 0915030 | 1,600 | 1.0 |
| Iowa | Dietrick MHP | Grundy | 3800600 | 92 | 1.0 |
| Iowa | Ellsworth | Hamilton | 4009016 | 451 | 1.0 |
| Iowa | Fairbank | Buchanan | 1025031 | 1,018 | 1.0 |
| Iowa | Garden City Wtr Supply | Hardin | 4242001 | 125 | 1.0 |
| Iowa | Hubbard | Hardin | 4254061 | 814 | 1.0 |
| Iowa | Iowa City Regency MHP | Johnson | 5225673 | 700 | 1.0 |
| Iowa | Jolley | Calhoun | 1335001 | 60 | 1.0 |
| Iowa | Lamont | Buchanan | 1051051 | 471 | 1.0 |
| Iowa | Larchwood | Lyon | 6050059 | 739 | 1.0 |
| Iowa | Le Mars | Plymouth | 7540174 | 8,230 | 1.0 |
| Iowa | Nora Springs | Floyd | 3423069 | 1,505 | 1.0 |
| Iowa | Ottosen | Humboldt | 4652011 | 72 | 1.0 |
| Iowa | Paton | Greene | 3748030 | 255 | 1.0 |
| Iowa | Prairie View Acres MHP | Black Hawk | 0790601 | 60 | 1.0 |
| Iowa | Remsen | Plymouth | 7568079 | 1,513 | 1.0 |
| Iowa | Rimard | Calhoun | 1374086 | 71 | 1.0 |
| Iowa | Sergeant Bluff | Woodbury | 9774033 | 2,772 | 1.0 |
| Iowa | Traer | Tama | 8681030 | 1,552 | 1.0 |
| Iowa | Vincent | Benton | 0688053 | 5,103 | 1.0 |
| Iowa | Wellsburg | Grundy | 3890097 | 682 | 1.0 |
| Iowa | Wesley | Kossuth | 5592098 | 444 | 1.0 |
| Iowa | West Bend | Kossuth | 7470099 | 862 | 1.0 |
1.1 ppm |
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| Iowa | Cedar Valley Ranch | Benton | 0600901 | 50 | 1.1 |
| Iowa | Country Terrace MHP | Back Hawk | 0700675 | 160 | 1.1 |
| Iowa | Dysart | Tama | 8627095 | 1,230 | 1.1 |
| Iowa | Grand Junction | Greene | 3730098 | 808 | 1.1 |
| Iowa | Merrill | Plymouth | 7458072 | 729 | 1.1 |
| Iowa | Wellman | Washington | 9276096 | 1,085 | 1.1 |
1.2 ppm |
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| Iowa | Answorth | Washington | 9203007 | 506 | 1.2 |
| Iowa | Anamosa | Jones | 5307048 | 5,100 | 1.2 |
| Iowa | Brooklyn | Powesniek | 7909047 | 1,439 | 1.2 |
| Iowa | Bussey | Marion | 6309061 | 494 | 1.2 |
| Iowa | Cherokee RWS Mill Creek | Cherokee | 1800900 | 1,230 | 1.2 |
| Iowa | Clutier | Tama | 8616052 | 245 | 1.2 |
| Iowa | Garwin | Tama | 8637079 | 533 | 1.2 |
| Iowa | Granville | Sioux | 8429002 | 290 | 1.2 |
| Iowa | Hazelton | Buchanan | 1031044 | 750 | 1.2 |
| Iowa | Hopkinton | Delaware | 2835056 | 700 | 1.2 |
| Iowa | Marcus | Cherokee | 1838032 | 1,171 | 1.2 |
| Iowa | Maurice | Sioux | 8458057 | 243 | 1.2 |
| Iowa | North English | Iowa | 4858070 | 944 | 1.2 |
| Iowa | Rummells | Polk | 7774008 | 307 | 1.2 |
| Iowa | Somers | Calhoun | 1381073 | 161 | 1.2 |
| Iowa | State Center | Marshall | 6484093 | 1,248 | 1.2 |
| Iowa | West Des Moines | Polk | 7785007 | 31,702 | 1.2 |
| Iowa | Westfield | Plymouth | 7589008 | 160 | 1.2 |
1.3 ppm |
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| Iowa | Cerro Gordo Co Care | Cerro Gordo | 1700901 | 72 | 1.3 |
| Iowa | Crawfordsville | Washington | 9214085 | 266 | 1.3 |
| Iowa | Garrison | Benton | 0625078 | 320 | 1.3 |
| Iowa | Grinnell | Poweshiek | 7930008 | 8,902 | 1.3 |
| Iowa | Keota | Keokuk | 5440028 | 1,000 | 1.3 |
| Iowa | La Porte City | Black Hawk | 0743057 | 2,350 | 1.3 |
| Iowa | Lytton | Sac | 8133009 | 320 | 1.3 |
| Iowa | Rookwood Subdivision | Story | 8503002 | 28 | 1.3 |
1.4 ppm |
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| Iowa | Brighton | Washington | 9209043 | 684 | 1.4 |
| Iowa | Hedrick | Keokuk | 5432042 | 810 | 1.4 |
| Iowa | Iowa Medical Pen | Johnson | 5200938 | 500 | 1.4 |
| Iowa | Keystone | Benton | 0640030 | 568 | 1.4 |
| Iowa | Newhall | Benton | 0653050 | 854 | 1.4 |
| Iowa | Pershing Utilities | Marion | 6300800 | 485 | 1.4 |
| Iowa | Richland | Keokuk | 5470083 | 522 | 1.4 |
| Iowa | Rockwell City | Calhoun | 1376098 | 1,981 | 1.4 |
| Iowa | Sully | Jasper | 5076005 | 841 | 1.4 |
| Iowa | Van Horne | Benton | 0685045 | 695 | 1.4 |
| Iowa | Washington | Wasshington | 9271068 | 7,074 | 1.4 |
| Iowa | West Burlington | Des Moines | 2985002 | 3,457 | 1.4 |
| Iowa | What Cheer | Keokuk | 5493016 | 762 | 1.4 |
| Iowa | Williams | Hamilton | 4070022 | 368 | 1.4 |
| Iowa | Winfield | Henry | 4493028 | 1,051 | 1.4 |
1.5 – 1.9 ppm |
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| Iowa | Colo | Story | 8520061 | 771 | 1.5 |
| Iowa | Hilltop Homeowners Well Assn | Benton | 0603301 | 35 | 1.5 |
| Iowa | Knoxville | Marion | 6342036 | 8,143 | 1.5 |
| Iowa | Lacona (Knoxville) | Warren | 9138041 | 357 | 1.5 |
| Iowa | Marion Co RWD (Knoxville) | Marion | 6342711 | 3,300 | 1.5 |
| Iowa | Morning Sun | Louisa | 3857011 | 843 | 1.5 |
| Iowa | Mount Pleasant | Henry | 4453016 | 8,027 | 1.5 |
| Iowa | West Liberty | Muscatine | 7073010 | 2,935 | 1.5 |
| Iowa | Westwood (Mount Pleasant) | Henry | 44533318 | 104 | 1.5 |
| Iowa | Altoona | Polk | 7707030 | 7,191 | 1.6 |
| Iowa | Coats Subd | Webster | 9433348 | 150 | 1.6 |
| Iowa | Colwell | Floyd | 3409066 | 94 | 1.6 |
| Iowa | Holland | Grundy | 3839052 | 215 | 1.6 |
| Iowa | New London | Henry | 4458060 | 1,922 | 1.6 |
| Iowa | Pleasantville | Marion | 6377046 | 1,536 | 1.6 |
| Iowa | Reinbeck | Grundy | 3870073 | 1,605 | 1.6 |
| Iowa | Sqaw Valley So Subdiv | Story | 8503305 | 135 | 1.6 |
| Iowa | Story City | Story | 8584000 | 2,959 | 1.6 |
| Iowa | Blairstown | Benton | 0607013 | 672 | 1.7 |
| Iowa | Callender | Webster | 9417063 | 384 | 1.7 |
| Iowa | Country Meadows, Inc | Hamilton | 4000901 | 45 | 1.7 |
| Iowa | Dows | Wright | 9921050 | 850 | 1.7 |
| Iowa | Hartford | Warren | 9128035 | 768 | 1.7 |
| Iowa | Meservey | Cerro Gordo | 1754073 | 292 | 1.7 |
| Iowa | Norway | Benton | 0656081 | 583 | 1.7 |
| Iowa | Roland | Story | 8570001 | 1,035 | 1.7 |
| Iowa | Fort Atkinson | Winneshiek | 9641049 | 367 | 1.8 |
| Iowa | Grundy Center | Grundy | 3833013 | 2,492 | 1.8 |
| Iowa | Huxley | Story | 8538066 | 2,150 | 1.8 |
| Iowa | Lakewood Utilities | Webster | 9433324 | 200 | 1.8 |
| Iowa | Sheffield | Franklin | 3570037 | 1,174 | 1.8 |
| Iowa | Blairsburg | Hamilton | 4003012 | 269 | 1.9 |
| Iowa | Lehigh | Webster | 9453071 | 536 | 1.9 |
| Iowa | Worthington | Dubuque | 3189001 | 439 | 1.9 |
| Iowa | Lincoln | Tama | 8660002 | 173 | 1.9 |
2.0 – 2.9 ppm |
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| Iowa | Coulter | Franklin | 3525079 | 252 | 2.0 |
| Iowa | Farnhamville | Calhoun | 1320039 | 460 | 2.0 |
| Iowa | Harcourt | Webster | 9442027 | 306 | 2.0 |
| Iowa | Kalo | Webster | 9448099 | 32 | 2.0 |
| Iowa | Otho | Webster | 9464008 | 529 | 2.0 |
| Iowa | Prairie Ridge Homeowners | Story | 8503301 | 62 | 2.0 |
| Iowa | Salem | Henry | 4478023 | 453 | 2.0 |
| Iowa | Hillsboro (Salem) | Henry | 4425032 | 151 | 2.0 |
| Iowa | Swaledale | Cerro Gordo | 1778008 | 190 | 2.0 |
| Iowa | Arcadia | Carroll | 1403062 | 485 | 2.1 |
| Iowa | Odebolt | Sac | 8144087 | 1,158 | 2.1 |
| Iowa | Tandem-Oak Park Associates | Webster | 9433600 | 150 | 2.1 |
| Iowa | Thornton | Cerro Gordo | 1781019 | 431 | 2.1 |
| Iowa | Waucoma | Fayette | 3375001 | 277 | 2.1 |
| Iowa | Central Water Works | Webster | 9400801 | 28 | 2.2 |
| Iowa | Collins | Story | 8515060 | 455 | 2.2 |
| Iowa | Hansell | Franklin | 3549026 | 115 | 2.2 |
| Iowa | Indianola | Warren | 9133075 | 11,340 | 2.2 |
| Iowa | Melcher-Dallas Wtr Supply | Marion | 6300099 | 1,302 | 2.2 |
| Iowa | New Providence | Hardin | 4271062 | 240 | 2.2 |
| Iowa | Randall | Hamilton | 4039071 | 161 | 2.2 |
| Iowa | Timberlane Addition | Webster | 9433336 | 54 | 2.2 |
| Iowa | Duncombe | Webster | 9427082 | 488 | 2.3 |
| Iowa | Gowrie | Webster | 9436095 | 1,028 | 2.3 |
| Iowa | Milo | Warren | 9155083 | 864 | 2.3 |
| Iowa | Rockwell | Cerro Gordo | 1773097 | 1,008 | 2.3 |
| Iowa | Stanhope | Hamilton | 4045090 | 447 | 2.3 |
| Iowa | St Anthony | Marshall | 6482017 | 112 | 2.4 |
| Iowa | Beeds Lake Homeowners Assn | Franklin | 3500933 | 75 | 2.5 |
| Iowa | Dayton | Webster | 9425011 | 818 | 2.5 |
| Iowa | Lake Panorama Water Co | Guthrie | 3900301 | 1,300 | 2.5 |
| Iowa | Stout | Grundy | 3880001 | 192 | 2.5 |
| Iowa | Stratford | Webster | 4051002 | 715 | 2.5 |
| Iowa | Boxholm | Boone | 0825036 | 267 | 2.6 |
| Iowa | Elberon | Tama | 8631003 | 200 | 2.7 |
| Iowa | Denmark | Lee | 5617029 | 325 | 2.8 |
| Iowa | Deer Creek Homeowners Assn | Story | 8538301 | 80 | 2.9 |
| Iowa | Walnut | Pottawatamie | 7872062 | 857 | 2.9 |
3.0 – 7.0 ppm |
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| Iowa | Spring Grove MHP | Des Moines | 2900677 | 120 | 3.0 |
| Iowa | Murray | Clarke | 2032023 | 731 | 3.1 |
| Iowa | Russell | Lucas | 5939009 | 531 | 3.2 |
| Iowa | Gaul’s Water Commission | Des Moines | 2909357 | 25 | 3.3 |
| Iowa | Plantion Village | Des Moines | 2900600 | 150 | 3.3 |
| Iowa | Oak Manor MH Court | Wapello | 9000637 | 68 | 3.4 |
| Iowa | Donnellson | Lee | 5620046 | 940 | 3.5 |
| Iowa | Cedar Lake Etates | Greene | 3700901 | 33 | 3.6 |
| Iowa | Dallas Co Care | Dallas | 2500900 | 100 | 4.9 |
| Iowa | Longbranch Maintenance Inc | Guthrie | 3900300 | 800 | 5.0 |
| Iowa | Linden | Dallas | 2544083 | 201 | 5.3 |
| Iowa | Oakwood Park Water Supply | Polk | 7709398 | 125 | 7.0 |
| Iowa | White Oaks Homeowners | Polk | 7709302 | 31 | 7.0 |
Notes:
Please email Fluoride Action Network if you have information to share on levels of naturally occurring fluoride in U.S. drinking water or other bodies of water.
Percentage of State Population served by Public Water Systems that Receive Fluoridated Water |
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| State | 2014 | 2012 | 2006 | 2000 | 1992 |
| Iowa | 92.7% | 92.0% | 92.4% | 91.3% |
91.4% |