San Diego County Municipal Code § 404.10 Wildland-Urban Interface Area Requirements

The objective of this section is to increase the reliability of water supplies by reducing the exposure of vegetative fuels to electrically powered systems.

Defensible space shall be provided around water tank structures, water supply pumps and pump houses in accordance with Section 603.

Standby power shall be provided to pumps, controllers and related electrical equipment so that stationary water supply facilities within the wildland-urban interface area that are dependent on electrical power can provide the required water supply. The standby power system shall be in accordance with Section 2702 of the California Building Code, and Section 1203 of the California Fire Code. The standby power source shall be capable of providing power for not less than 2 hours.

Exceptions:

1. Where approved by the code official, a standby power supply is not required where the primary power service to the stationary water supply facility is underground.

2. A standby power supply is not required where the stationary water supply facility serves not more than one single-family dwelling.

(Added by Ord. No. 10977 (N.S.), effective 4-2-26)