Welcome to the State of California 

Drinking Water & Radiation Laboratory Branch (DWRLB)

Environmental Management Branch (EMB)

DWRLB provides technical support and laboratory services to the State Water Resources Control Board (SWRCB) Division of Drinking Water (DDW), CDPH's Radiological Health Branch, Environmental Management Branch and, through interagency agreements, other State agencies

EMB promotes and maintains a physical, chemical, and biological environment that contributes positively to health, prevents illness, and assures protection of the public. EMB regulates medical waste generators, shellfish production and harvesting operations, and recreational health (swimming pools); provides sanitary surveillance of state institutions; oversees the Registered Environmental Health Specialist program; oversees radiological surveillance around federal facilities, the state's radon program, and the Medical Waste Management Program; and houses CDPH's Nuclear Emergency Response Program.


Please Note: On July 1, 2014, the Drinking Water Program (DWP) and the Environmental Laboratory Accreditation Program (ELAP) moved from CDPH to the State Water Resources Control Board (SWRCB). Find out more at http://www.waterboards.ca.gov/drinking_water/programs/index.shtml.


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Drinking Water and Radiation Laboratory Branch (DWRLB)
Last modified on: 9/8/2016 9:24 AM