Natural Levels of Fluoride in Drinking Water by State:
Massachusetts
Information from: Fluoridation Census 1992. Published 1993 by the Centers for Disease Control & Prevention, Division of Oral Health.
A Milligram per Liter (mg/L) is the same as Part Per Million (ppm)
• 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, Massachusetts would be MA0000000
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1.0 – 1-1 ppmA Milligram per Liter (mg/L) is the same as Part Per Million (ppm) |
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| Water Systems | County | EPA ID No. | Population | Natural Level of Fluoride (ppm) |
| Ware | Hampshire | 1309001 | 72 | 1.0 |
| Hardwick | Worcester | 2124003 | 25 | 1.1 |
| Royalston | Worcester | 2255000 | 25 | 1.1 |
Notes:
Not all water fluoride levels are included in the Fluoridation Census 1992
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.
Return to Overview: Natural Levels of Fluoride in US Drinking Water
