2016-008 - Santa Ana Water Efficient Landscape Ordinance

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(average WUCOLS plan factor 0.3) for 100% of the plant area excluding edibles and areas using recycled water; (b) A minimum three inch (3") layer of mulch shall be applied on all exposed soil surfaces of planting areas except in turf areas, creeping or rooting groundcovers, or direct seeding applications where mulch is contraindicated. (4) Turf shall comply with all of the following: (a) Turf shall not exceed 25% of the landscape area in residential areas, and turf shall not be planted in non - residential areas (b) Turf shall not be planted on sloped areas which exceed a slope of 1 foot vertical elevation change for every 4 feet of horizontal length; (c) Turf is prohibited in parkways less than 10 feet wide, unless the parkway is adjacent to a parking strip and used to enter and exit vehicles. Any turf in parkways must be irrigated by sub - surface irrigation, or by other technology that creates no overspray or runoff. (5) Irrigation systems shall comply with the following: (a) Automatic irrigation controllers are required and must use evapotranspiration or soil moisture sensor data (b) hrigation controllers shall be of a type which does not lose programming data in the event the primary power source is interrupted. (c) Pressure regulators shall be installed on the irrigation system to ensure the dynamic pressure of the system is within the manufacturers recommended pressure range. (d) Manual shut -off valves (such as a gate valve, ball valve, or butterfly valve) shall be installed as close as possible to the point of connection of the water supply. (e) All irrigation emission devices must meet the requirements set in the ANSI standard, ASABE /ICC802 -2014. "Landscape irrigation Sprinkler and Emitter Standard." All Sprinkler heads installed in the landscape must document a distribution uniformity low quarter of 0.65 or higher using the protocol defined in ASABE/ICC 802- 2014. 22