Lake County’s commercial water customers are required to install a backflow preventer device at the service connection or at a location approved by the Utility Superintendent.
All backflow prevention assemblies for commercial applications shall be of the Reduced Pressure Type.
Additional backflow prevention devices are required on certain food/beverage equipment to protect customers and employees from cross-contamination.
Lake County Special Districts requires annual testing of all backflow prevention assemblies.
Lake County Special Districts will notify commercial customers annually by mail of this requirement.
Test results will be sent to the District by the certified technician.
All fire line connections are required to install at minimum a Double Detector Check Assembly (DDC), and annual tests on dedicated fire protection systems are required to be performed by a licensed contractor that meets state requirements for fire protection systems.
Help ensure the public drinking water supply remains safe.
Lake County Special Districts Administration
230 N. Main Street
Lakeport, CA 95453
(707) 263-0119, (707) 263-3836 fax