U.S. Water Systems with High F Levels

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

Oregon

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, Oregon would be OR0000000

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

Oregon Adams Umatilla 4100001 245 0.7
Oregon Adrian Malheur 4100002 170 0.7
Oregon Athena Umatilla 4100064 970 0.7
Oregon Boardman Morrow 4100130 1,500 0.7
Oregon Dufur Wasco 4100262 1,410 0.7
Oregon Heppner Morrow 4100369 1,505 0.7
Oregon Huntington Baker 4100393 525 0.7
Oregon Irrigon Morrow 4100403 885 0.7
Oregon Lakeview Lake 4100464 3,400 0.7
Oregon Ontario Malheur 4100587 9,720 0.7
Oregon Seneca Grant 4100807 260 0.7
Oregon Umatilla Umatilla 4100914 2,980 0.7
Oregon Hermiston Umatilla 4100372 10,070 0.8
Oregon Echo Umatilla 4100270 615 0.9
Oregon NYSSA Malheur 4100579 2,820 0.9
Oregon Chemowith Co-op Wasco 4100867 2,400 1.1
Oregon Jordan Valley Malheur 4100411 390 1.1
Oregon Fossil Wheeler 4100307 660 1.4
Oregon Stanfield Umatilla 4100843 1,660 1.7
Oregon Arlington Gilliam 4100046 680 2.4

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
Oregon 22.6% 22.6% 27.4% 22.7%
24.8%