To the members of the:
CITY COUNCIL Date~CA ✓ cc ~
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CMWD Board Memorandum
May 23, 2024
To:
From:
Via:
Re:
Carlsbad Municipal at r
Paz Gomez, Deputy Ci
Dave Padilla, Interim Gie
t Board of Directors
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Scott Chadwick, Exec ive ger
Fluoridation of Water (Districts -All}
Ccarlsbad
Municipal Water District
Memo ID# 2024035
This memorandum provides information related to the fluoride in the water for the Carlsbad Municipal Water District (CMWD) in response to a recent customer inquiry.
Background
The CMWD purchases 100% of its treated drinking water from the San Diego County Water Authority (SDCWA). This drinking water is treated by the Metropolitan Water District of Southern California (MWD) at its Skinner Treatment Plant in Riverside County and by the SDCWA.
The water then flows to the SDCWA's Twin Oaks treatment plant in San Diego County where it is blended with desalinated water from the Carlsbad Desalination Plant before it enters the CMWD potable water distribution system.
Discussion
Fluoride is a naturally occurring mineral found in surface water, as well as groundwater, at levels that range from 0.1 to 0.4 parts per million. Fluoride levels in treated water that the CMWD purchases from the SDCWA have been adjusted by the MWD and the SDCWA to the optimal range for dental health of 0.7 to 0.8 parts per million in accordance with recommendations from the California Department of Public Health and the U.S. Centers for Disease Control and Prevention.
The CMWD does not add fluoride and has no control over the addition of fluoride to the treated water that it purchases. All agencies that take treated water from the SDCWA receive optimized fluoride. The CMWD's drinking water meets or surpasses all state and federal requirements.
California Assembly Bill 733, signed into law by Governor Pete Wilson in 1995, authorized the California Department of Health Services to adopt regulations that require water suppliers with 10,000 or more service connections or customers to fluoridate the water in their public water systems. The California Fluoridation Regulations adopted by the California Department of Health Carlsbad Municipal Water District
5950 El Camino Real I Carlsbad, CA 92008 I 442-339-2722 t
Board Memo -Fluoridation of Water (Districts -All)
May 23, 2024
Services were added to the California Code of Regulations (CCR -Title 22, Sections 64433 and 64434) in April 1998.
cc: Geoff Patnoe, Assistant Executive Manager
Cindie McMahon, General Counsel
Gary Barberio, Deputy City Manager, Community Services
Laura Rocha, Deputy City Manager, Administrative Services Gina Herrera, Assistant General Counsel
Kristina Ray, Communication & Engagement Director
Eric Sanders, Utilities Manager