Fluoride Action Network

U.S. Water Systems with High F Levels

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

California

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, Arizona would be CA0000000

0.8 – 3.5 ppm

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

California Azusa na 1910007 30,581 0.8
California Boron Community SD na 1510002 2,500 0.8
California Redlands City WD na 3610037 69,300 0.8
California Tranquility na 1010030 1,000 0.8
California Annford na 1610003 32,500 0.9
California Antelope Valley WC na 1510036 719 0.9
California California City  na 1510032 4,500 0.9
California Harry V Slack DWS  na 3310023 805 0.9
California Bear Valley Groundwater Basin San Bernandino This come from California’s Water Bulletin 118 (updated 2004) 6.3 to 9.0
California Havasu Land TR PK-
Chemehuevi
San Bernandino 0600124 100 0.9
California Alpaugh  na 5410005 900 1.0
California Indian Wells Valley WD  na 1510017 36,338 1.1
California Arden WC  na 1510010 3,710 1.3
California Kernville Domestic WC  na 1510033 1,450 1.4
California LeMoore na 1610005 14,082 1.4
California Riverdale PUD Fresno 1010028 2,211 1.7
California Armona CSD na 1610001 3,130 1.8
California Lakeland WC na 1510049 500 3.5

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
California 63.7% 63.7% 27.1% 28.7% 15.7%

 

back to top