U.S. Water Systems with High F Levels
Database of drinking water systems with high levels of naturally occurring fluoride; searchable by state.
Database of drinking water systems with high levels of naturally occurring fluoride; searchable by state.
The majority of the Information below comes from 2013 data from the Washington State Department of Health. The rest comes from the Fluoridation Census 1992, published in 1993 by the Centers for Disease Control & Prevention, Division of Oral Health.
• 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, Washington would be WA0000000
State |
Water Systems |
County |
EPA ID No. |
Population |
Natural Level of Fluoride (ppm) |
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 •• = Fluoride Data from Washington Department of Health (2013) |
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Washington | Maston | Yakima | 5349650 | 1,247 | 0.7 |
Washington | Ritzville | Adams | 5372700 | 1,725 | 0.7 |
Washington | Warden | Grant | 5392850 | 1,620 | 0.7 |
Washington | Clarkston | Asotin | 5393343 | 16,300 | 0.8 |
Washington | Moses Lake | Grant | 5356300 | 15,600 | 0.8 |
Washington | Electric City | Grant | 5322850 | 1,200 | 0.9 |
Washington (DOH data*) |
Castle Rock Municipal Water | Cowlitz | 11800 | 2,373 | 0.9 |
Washington (DOH data*) |
Landowners Water Association | Franklin | 08202 | 28 | 0.9 |
Washington (DOH data*) |
Lakeview Park Water Assn | Grant | 45350 | 1,041 | 0.9 |
Washington (DOH data*) |
Sierra Country Club | Island | 78975 | 506 | 0.9 |
Washington (DOH data*) |
Brewster, City of | Okanogan | 08300 | 2,199 | 0.9 |
Washington (DOH data*) |
Coulee Dam Water Dept | Okanogan | 15400 | 1,161 | 0.9 |
Washington (DOH data*) |
Colfax Water Department, City of | Whitman | 14000 | 2,841 | 0.9 |
Washington (DOH data*) |
Badger Mountain Irrigation Diustrict | Benton | 22617 | 1,810 | 0.96 |
Washington (DOH data*) |
Sun Harbor Water District No 3 | Walla Walla | 85129 | 187 | 0.96 |
Washington (DOH data*) |
Warden, City of | Grant | 92850 | 2,605 | 0.96 |
Washington (DOH data*) |
Selah, City of | Yakima | 77400 | 7,718 | 0.97 |
Washington (DOH data*) |
Mt Adams Country Club | Yakima | 56390 | 1 | 0.98 |
Washington (DOH data*) |
Sprague, City of | Lincoln | 83150 | 451 | 0.98 |
Washington (DOH data*) |
Suncrest Plat Water System | Okanogan | 85207 | 253 | 0.99 |
Washington | Davenport | Lincoln | 5318100 | 1,495 | 1.0 |
Washington | Martha Boardman | Stevens | 5311103 | 450 | 1.0 |
Washington | Nob Hill Water Association | Yakima | 5359700 | 14,823 | 1.0 |
Washington (DOH data*) |
Tekoa, City of | Whitman | 87300 | 827 | 1 |
Washington (DOH data*) |
Chuckanut Trails Water System | Whatcom | 01383 | 72 | 1 |
Washington (DOH data*) |
Clover Valley No 2 | Lewis | AB732 | 10 | 1 |
Washington (DOH data*) |
Rasor Farm Labor | Grant | AC249 | – | 1 |
Washington (DOH data*) |
Inchelium Water District | Ferry | 35550 | 472 | 1 |
Washington (DOH data*) |
T & S Systems | Benton | AA660 | 10 | 1 |
Washington (DOH data*) |
Horse Heaven Hills Assn | Benton | AA431 | 8 | 1 |
Washington (DOH data*) |
Clodfelter Heights 11 & 12 | Benton | AB448 | 6 | 1 |
Washington (DOH data*) |
Schoonover Hutterian Brethern | Adams | AB043 | 35 | 1 |
Washington (DOH data*) |
Tonasket Water System | Okanoga | 88700 | 1,010 | 1.01 |
Washington (DOH data*) |
Nob Hill Water Assoc | Yakima | 59700 | 27,610 | 1.02 |
Washington (DOH data*) |
Broetje Orchards | Walla Walla | 08690 | 37 | 1.02 |
Washington (DOH data*) |
Country Mobile Estates | Yakima | 15514 | 180 | 1.03 |
Washington (DOH data*) |
Rosehip Water System | Kittitas | AA824 | 24 | 1.03 |
Washington (DOH data*) |
Sunset Domestic Water Assn | Franklin | 86100 | 45 | 1.03 |
Washington (DOH data*) |
Ritzville Water Department | Adams | 72700 | 1,725 | 1.05 |
Washington (DOH data*) |
Yak Co – Gala Estates Water System | Yakima | 23280 | 119 | 1.07 |
Washington (DOH data*) |
Iron Staw | Okanogan | AA464 | 6 | 1.07 |
Washington (DOH data*) |
Cave B Winery | Grant | AB184 | 0 | 1.07 |
Washington (DOH data*) |
KID – Lorayne J | Benton | 53220 | 307 | 1.08 |
Washington (DOH data*) |
Short Platt No. 2265 | Chelan | 02049 | 7 | 1.09 |
Washington (DOH data*) |
Selkirk Water | Spokane | AA184 | 15 | 1.1 |
Washington (DOH data*) |
Spring Canyon Campground | LIncoln | NP810 | 0 | 1.1 |
Washington (DOH data*) |
Keller Ferry Marina | Lincoln | NP469 | 0 | 1.1 |
Washington (DOH data*) |
Clark Addition Water System | Franklin | AB809 | 189 | 1.1 |
Washington (DOH data*) |
Pondilla Estates Community Assn | Island | 68430 | 50 | 1.1 |
Washington (DOH data*) |
Mathison Thomas Orchards – Stayman | Chelan | 07263 | 17 | 1.1 |
Washington (DOH data*) |
Klipsun Vineyards | Benton | AB729 | 3 | 1.1 |
Washington (DOH data*) |
PUD No 1 of Aostin County | Aostin | 93343 | 19,800 | 1.1 |
Washington (DOH data*) |
Longview Water Department | Cowlitz | 48100 | 40,878 | 1.11 |
Washington (DOH data*) |
Basin City Water-Sewer District | Franklin | 04461 | 560 | 1.13 |
Washington (DOH data*) |
Westhaver Frank Water Xompany | Snohomish | 57353 | 12 | 1.4 |
Washington (DOH data*) |
River Ridge Estates | Franklin | 38792 | 70 | 1.4 |
Washington (DOH data*) |
Gold Digger Apples (Keman) | Okanogan | 07360 | 5 | 1.6 |
Washington (DOH data*) |
County Christian Center | Franklin | AC625 | – | 1.6 |
Washington (DOH data*) |
Morning Sun Estates Water System | Chelan | 00641 | 7 | 1.6 |
Washington (DOH data*) |
D & E Custom Meats | Franklin | AA434 | 5 | 1.8 |
Washington (DOH data*) |
Summerset West Water Assn | Adams | 85080 | 240 | 1.8 |
Washington (DOH data*) |
Ranch No 8 | Yakima | AC133 | – | 1.19 |
Washington (DOH data*) |
Spee-Bi-Dah | Snohomish | 82950 | 15 | 1.19 |
Washington (DOH data*) |
Fields Point – Chelan Road | Chelan | FS250 | 0 | 1.19 |
Washington (DOH data*) |
Grandview, City of | Yakima | 28970 | 9,150 | 1.2 |
Washington (DOH data*) |
Forestview Senior Community LLC | Grays Harbor | 05811 | 92 | 1.2 |
Washington (DOH data*) |
Skyline Water System Inc | Grant | 80210 | 239 | 1.2 |
Washington (DOH data*) |
Eldorado Stone | Grant | AB699 | – | 1.2 |
Washington (DOH data*) |
Echo Glen Water System | Grant | 27510 | 105 | 1.21 |
Washington (DOH data*) |
Kendrick Station | Kittitas | AC290 | 1 | 1.28 |
Washington (DOH data*) |
North Sunset Point Water Users Assn | San Juan | 61400 | 16 | 1.3 |
Washington (DOH data*) |
Skate Creek Terrace | Lewis | 79650 | 12 | 1.3 |
Washington (DOH data*) |
Goose Ridge West | Benton | 08396 | 4 | 1.3 |
Washington (DOH data*) |
Swantown Water District | Island | 96042 | 206 | 1.3 |
Washington (DOH data*) |
Deschutes Village | Thurston | 19035 | 135 | 1.31 |
Washington (DOH data*) |
Crescent Farm | Spokane | AC472 | 3 | 1.31 |
Washington (DOH data*) |
Garza Water Assoc | Adams | AA298 | 14 | 1.31 |
Washington (DOH data*) |
Summit View Water System | Benton | 03303 | 195 | 1.32 |
Washington (DOH data*) |
Maryhill Winery | Klickitat | AB411 | 2 | 1.34 |
Washington (DOH data*) |
Kid – Elliot Lake | Benton | 23340 | 117 | 1.34 |
Washington (DOH data*) |
Basic American Foods | Grant | 01983 | 0 | 1.38 |
Washington (DOH data*) |
Munn D Water System | Benton | 34425 | 17 | 1.38 |
Washington (DOH data*) |
Chris Wood Short Platt | Okanogan | AB371 | 1 | 1.39 |
Washington (DOH data*) |
Red s Water District | Stevens | 08268 | 20 | 1.4 |
Washington (DOH data*) |
Little Mashel Water System | Pierce | 01240 | 22 | 1.4 |
Washington (DOH data*) |
Ocean City Campground | Grays Harbor | 63017 | 0 | 1.4 |
Washington (DOH data*) |
RM Well | Yakima | AC580 | 10 | 1.4 |
Washington (DOH data*) |
New Horizons | Yakima | 51151 | 45 | 1.42 |
Washington (DOH data*) |
Portteus Winery | Yakima | AB728 | 3 | 1.47 |
Washington (DOH data*) |
Congdon Orchards Inc | Yakima | 14540 | 25 | 1.47 |
Washington (DOH data*) |
White Bluff Water Assoc | Franklin | 96100 | 105 | 1.47 |
Washington (DOH data*) |
Deer Meadows No 1 | Chelan | AA840 | 0 | 1.47 |
Washington (DOH data*) |
ConAgra Foods Lamb Weston – Farm | Benton | 63913 | 37 | 1.5 |
Washington |
Moxee City | Yakima | 5357300 | 857 | 1.5 |
Washington (DOH data*) |
Deer Meadows No 2 | Chelan | AA841 | 2 | 1.51 |
Washington (DOH data*) |
Bruce Water System | Adams | 09540 | 0 | 1.51 |
Washington (DOH data*) |
Industrial Development Complex | Benton | 92023 | 0 | 1.54 |
Washington (DOH data*) |
Connell, City of | Franklin | 14600 | 3,190 | 1.56 |
Washington (DOH data*) |
Kepps Acres Assoc | Franklin | 17189 | 48 | 1.57 |
Washington (DOH data*) |
Ferry/Stevens Fire Co Fire Dist No 3/8 | Ferry | AC449 | – | 1.57 |
Washington (DOH data*) |
Zirkle – Pasco Ranch 1 | Franklin | AB945 | – | 1.58 |
Washington | Lind | Adams | 5347350 | 547 | 1.6 |
Washington (DOH data*) |
Deep Creek Ranchettes | Spokane | 39003 | 141 | 1.6 |
Washington (DOH data*) |
Martin Creek Community Assn | Ferry | 51877 | 72 | 1.7 |
Washington (DOH data*) |
Plymouth Water District | Benton | 68045 | 222 | 1.7 |
Washington (DOH data*) |
Mabton, City of | Yakima | 48950 | 2,045 | 1.71 |
Washington (DOH data*) |
Soap Lake Water Dept | Grant | 81300 | 1,765 | 1.73 |
Washington (DOH data*) |
Forget Me Not Animal Shelter | Ferry | AC350 | – | 1.75 |
Washington (DOH data*) |
Zephyr Lodge | Spokane | 99730 | 4 | 1.76 |
Washington (DOH data*) |
Burbank Irrigation District 4 | Walla Walla | 09310 | 512 | 1.78 |
Washington (DOH data*) |
Vista Springs | Skamania | AB652 | 14 | 1.8 |
Washington (DOH data*) |
Blue Mountain Farms | Walla Walla | AB208 | – | 1.8 |
Washington (DOH data*) |
Radar Mobile Home Park | Adams | 70690 | 200 | 1.81 |
Washington (DOH data*) |
Custom Ag Services | Benton | 02431 | 0 | 1.81 |
Washington (DOH data*) |
Roche Harbor Water System Inc | San Juan | 73230 | 329 | 1.82 |
Washington (DOH data*) |
Pasco Heights Domestic Water Assn | Franklin | 66350 | 135 | 1.85 |
Washington (DOH data*) |
Parker Spring Water | Grant | 22881 | 255 | 1.86 |
Washington | Burbank Irrig Dist #4 | Walla Walla | 5309300 | 763 | 1.9 |
Washington | Odessa | Lincoln | 5363050 | 950 | 1.9 |
Washington (DOH data*) |
Columbia Colstor Inc | Benton | 00770 | 0 | 1.93 |
Washington (DOH data*) |
Snug Harbor Resort Water System |
San Juan | 01573 | 1 | 1.94 |
Washington (DOH data*) |
Lind, Town of | Adams | 47530 | 565 | 1.95 |
Washington | Paterson | Benton | 5366479 | 90 | 2.0 |
Washington (DOH data*) |
Riverwood | Skamania | AA918 | 10 | 2 |
Washington (DOH data*) |
Sunshine Day Care | Spokane | AA282 | 0 | 2.02 |
Washington (DOH data*) |
Moxee Water Department | Yakima | 57300 | 2,695 | 2.05 |
Washington (DOH data*) |
Roosevelt Water System | Klickitat | 74160 | 145 | 2.11 |
Washington (DOH data*) |
Paterson Heights Water Assn | Benton | 66479 | 65 | 2.14 |
Washington (DOH data*) |
Plymouth Campground | Benton | AB170 | – | 2.2 |
Washington (DOH data*) |
McComas | Benton | AB414 | 3 | 2.24 |
Washington (DOH data*) |
Kooskooskie Cabin Owners Assn | Walla Walla | 34751 | 40 | 2.27 |
Washington | Plymouth | Benton | 5368045 | 190 | 2.3 |
Washington (DOH data*) |
West Mesa Domestic Water Assn | Franklin | 94830 | 250 | 2.34 |
Washington (DOH data*) |
Columbia River Seed | Benton | AA389 | 1 | 2.34 |
Washington (DOH data*) |
Moses Lake, City of | Grant | 56300 | 22,930 | 2.41 |
Washington (DOH data*) |
Columbia Springs Estates | Lincoln | 04298 | 36 | 2.46 |
Washington (DOH data*) |
Finley Elementary School (New) | Benton | 02558 | 0 | 2.48 |
Washington (DOH data*) |
Yak Co – Terrace Heights | Yakima | 06029 | 3,903 | 2.5 |
Washington (DOH data*) |
Joseph Christy Vineyards | Benton | AC667 | – | 2.5 |
Washington (DOH data*) |
Chapel Hill Water System | San Juan | 07563 | 2 | 2.63 |
Washington | Othello WD | Adams | 5364850 | 4,636 | 2.7 |
Washington (DOH data*) |
Edward Lewis Water System | Walla Walla | AB706 | 2 | 2.7 |
Washington (DOH data*) |
North 16 Domestic Water Assn | Franklin | 61250 | 60 | 2.7 |
Washington (DOH data*) |
Arlenes Addition | Walla Walla | 02942 | 480 | 2.9 |
Washington (DOH data*) |
Ringold Domestic Water Corp | Franklin | 72500 | 100 | 2.9 |
Washington (DOH data*) |
Wallula Water District | Walla Walla | 92600 | 200 | 2.94 |
Washington (DOH data*) |
West 15 Domestic Water Assn | Franklin | 94650 | 140 | 2.99 |
Washington (DOH data*) |
Old Trout Inn Water System | San Juan | AA510 | 6 | 3.04 |
Washington (DOH data*) |
Stahl Hutterian Brethern | Adams | 07764 | 65 | 3.05 |
Washington (DOH data*) |
National Food Corp – Lind | Adams | 89361 | 1 | 3.07 |
Washington (DOH data*) |
Brays Landing Water Users | Douglas | 07289 | 48 | 3.11 |
Washington (DOH data*) |
Othello Water Department | Adams | 64850 | 6,495 | 3.27 |
Washington (DOH data*) |
States Inn and Ranch | San Juan | 01418 | 4 | 3.31 |
Washington (DOH data*) |
Simplot Feeders Ltd | Walla Walla | 00552 | 0 | 3.538 |
Washington (DOH data*) |
Westbourne Acres | Walla Walla | 95047 | 94 | 4.1 |
Washington (DOH data*) |
Frosty Pines | Kittitas | AC209 | 24 | 4.21 |
Washington (DOH data*) |
Dalles Water Association | Pierce | 06682 | 21 | 4.4 |
Washington (DOH data*) |
Chattaroy Springs West | Spokane | 12249 | 115 | 4.7 |
Washington (DOH data*) |
Dodd Road Industrial Park Water | Walla Walla | AB183 | 4 | 4.91 |
Washington (DOH data*) |
Tucannon Guard Station | Columbia | AC223 | 2 | 5 |
Washington (DOH data*) |
Harrison- Ray-Burbank Water System |
Walla Walla | 31477 | 656 | 5.2 |
Washington (DOH data*) |
Roaring Creek | Kittitas | 73126 | 0 | 9.32 |
Washington (DOH data*) |
Paterson Elementary School | Benton | 66475 | 2 | 9.39 |
Washington (DOH data*) |
Long Lake Operators Village | Lincoln | 24292 | 7 | 9.89 |
Washington (DOH data*) |
Ligo Water System | Benton | 07093 | 0 | 20.8 |
*This data is from the Washington state Department of Health, 2013 – see the original data.
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 |
Washington | 63.9% | 63.6% | 62.9% | 57.8% |
53.2% |