U.S. Water Systems with High F Levels

Database of drinking water systems with high levels of naturally occurring fluoride; searchable by state.

Montana

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, Montana would be MT0000000

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

0.1 – 0.9 ppm

Montana Clarice Paul Lake 3090021 68 0.1
Montana Pache Lake 3090036 283 0.1
Montana Schley Missoula 3090030 132 0.1
Montana St. Ignatius (South Side) Lake 3090031 615 0.1
Montana Turtle Lake Lake 3090032 258 0.1
Montana Woodcock Lake 3090033 140 0.1
Montana Evaro Missoula 3090025 86 0.2
Montana Mission Dam Lake 3090029 98 0.2
Montana Blackfoot Glacier 3090002 76 0.3
Montana Jenny Gray Blaine 3090042 27 0.3
Montana Dayton Lake 3090022 28 0.4
Montana Aldrich Springs Teton 0000968 92 0.7
Montana Fromberg Park 0000038 75 0.7
Montana Montana Aviation Research Valley 0000416 100 0.7
Montana — N, Valley Co WS Dist Valley 0003595 255 0.7
Montana Montana Silver Springs Granite 003509 25 0.7
Montana North Forestvale Homeowners Lewis & Clark 0001793 100 0.7
Montana Saddle Mounain Corp. Jefferson 0000057 163 0.7
Montana Wagon Wheel CT Lewis & Clark 0002915 25 0.7
Montana  Cascade Cascade 0000171 729 0.8
 Montana  Duck Creek TC Well #! Yellowstone 0001786 35 0.8
 Montana  Fort Peck Valley 0000218 325 0.8
 Montana  Four Corners MHP Gallatin 0000798 100 0.8
Montana  Glasgow Valley 0000415 3,572 0.8
 Montana  Glasgow Water Conditioning Valley 0003401 4,500 0.8
 Montana  Highland MHP Dawson 0000408 5 0.8
 Montana  Hilltop Estates Richland 0000389 125 0.8
 Montana  Jordon Garfield 0000257 494 0.8
 Montana  Lame Deer Rosebud 3090064 2,350 0.8
Montana  Loma Co. Water District Chouteau 0002669 400 0.8
Montana  Missouri Yellowstone Water Co. Richland 0002583 110 0.8
Montana  Nashua Valley 0000297 375 0.8
Montana  North Harlem Colony Blaine 0001771 36 0.8
Montana  Park Garden Estates Cascade 0000050 50 0.8
Montana  Yelowtail Dam MK Upper Big Horn 0002531 30 0.8
Montana  Bitterroot TC Hill 0003404 40 0.9
Montana  Clyde Park Park 0000178 282 0.9
Montana  Country Lanes TC Cascade 0000028 52 0.9
Montana  East Malta Colony Phillips 0001769 35 0.9
Montana  Hilbrook Nursing Home Jefferson 0000618  67 0.9
Montana  Miller Colony Teton 0001649 101 0.9
Montana  Muddy Cluster Big Horn 3090065 210 0.9
Montana  Outlook Co.WS Sheridan 0003312 81 0.9
Montana  Plevna Fallon 0000307 140 0.9
Montana  Ponerosa TP Ravalli 0002131 52 0.9
Montana  Vaughn Cascade Co WS Cascade 0000352 500 0.9
Montana  Warm Springs Hospital Deer Lodge 0000354 354 0.9
Montana  Wells Garden Estates Yellowstone 0002927 240 0.9

1.0 – 1.4 ppm

Montana  Birney Rosebud 3090062 112 1.0
Montana  Blue Sky Heights WU Jefferson 0000030 300 1.0
Montana  Broadview Yellowstone 0000167 133 1.0
Montana  Carter Chouteau 0000520 170 1.0
Montana  Dixon Old Agency Sanders 3090023 119 1.0
Montana  Ennis Madison 0000208 773 1.0
Montana  Morony Dam Mt. Power Cascade 0000744 33 1.0
Montana  Power-Teton Co WD Teton 0000311 150 1.0
Montana  Radas TC Cascade 0000049 25 1.0
Montana  Rivershore MHP Cascade 0000414 100 1.0
 Montana  Sun Praire Water District Cascade 0000571 314 1.0
Montana  Trailer Terrace Cascade 0000025 350 1.0
 Montana  Trident (Ideal Cement Co) Gallatin 0000346 40 1.0
 Montana  Birch Creek Colony Pondera 0001781 130 1.1
 Montana  Bitterroot Meadows Missoula 003146 100 1.1
 Montana  Great Falls  Cascade 0000525 55,097 1.1
 Montana  –Black Eagle  Cascade 0000157 1,400 1.1
 Montana  –Culligan Water Great Falls  Cascade 0002630 25 1.1
Montana  –M&K Water Service Cascade 0003551 100 1.1
 Montana
–Malmstrom AFB Cascade 0000515 5,938 1.1
 Montana  –Praire Water Co. Cascade 0003539  350 1.1
 Montana   Harlowton Wheatland 0000240 1,049 1.1
 Montana  Sand-Coulee WUA Cascade 0000325 300 1.1
 Montana  Spring Creek Colony Fergus 0000043 36 1.2
 Montana  Hillcrest TC Dawson 0000409 60 1.3
Montana  Ashland Housing Rosebud 3090061 136 1.4
Montana  Homestead Acres Cascade 0000526 300 1.4
Montana  Sunburst Mineral 0000338 437 1.4
Montana  Thiels West TP Hill 002685  25 1.4
Montana  White Cow Canyon Blaine 3090044  185 1.4
Montana  –Mays Blaine 3090100 164 1.4

1.5 – 7.3 ppm

Montana  Frontier TC  Park 0000038  75  1.5 
Montana Hot Springs  Sanders 3000251  411  1.5 
Montana  Rockport Colony  Teton 0001778  105  1.5 
Montana  Winifred  Fergus  0000363  150  1.5 
Montana  Duncan Colony  Wheatland  0000418  70  1.6 
Montana  Missouri Meadows TC   Cascade  0000053  100  1.6 
Montana  Milford Colony  Lewis & Clark  0001646  100  1.8 
Montana  Ingomar Water District   Rosebud 0003078  20  1.9 
Montana Opheim  Valley  0000301  145  1.9 
Montana Wibaux  Wibaux  0000361  628 1.9 
Montana  Windy Acres WU  Cascade  0002806  70  1.9 
Montana  Ayers Hutterite Colony Fergus  0000413 60  2.0 
Montana  Pine Hills School  Custer  0000292  250  2.0 
Montana  Winnett Petroleum  0000364  188  2.1 
Montana  Gore Hill Co Water Dist  Cascade  0000232  400  2.2 
Montana  Custer Co Nursing Home   Custer 0000140  160 2.3 
Montana Forest Park WUA  Jefferson  0000591 235  2.3 
Montana  Fairview  Richland  0000213  869  2.4 
Montana  Palisades Apts Custer  0000145  50 2.4 
Montana  Bridger Pines Assoc   Gallatin  0001787  40 2.5 
Montana  Coffee Creek  Fergus  0000179  85 2.5 
Montana  West Yellowstone WS   Gallatin  0003136  935 2.5 
Montana  Alta TC Custer  0000139  60 2.7
Montana  Bill’s Trailer Villa   Custer  0000551  20 2.7 
Montana  Hangman’s Tree WUA   Jefferson  0000128  130  3.1
Montana Ashland  Rosebud  0000458  300 3.2 
Montana Spring Grove TC   Dawson  0000412  90  3.4 
Montana  Spring Water Colony Wheatland  0000719 64  3.5 
Montana  St Labre Indian School   Rosebud  0000018  400 3.9 
Montana  Highland Park Util Assoc Dawson  000408  450  4.2 
Montana  Lambert  Richland  0000269  150  4.5 
Montana  Richey  Dawson  0000316  259  4.7 
Montana  Valley View Water District   Richland  0000514 100  5.0
Montana Circle  McCone 0000176 805 5.5 
Montana  Bompart TC  Jefferson  0002947  50  7.3 

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

State 2014 2012 2006 2000 1992
Montana 33.7% 32.0% 31.3% 22.2%
25.9%