1504.4 Groundwater Level. Adequate groundwater separation shall be demonstrated to the

satisfaction of the Enforcing Agency per the requirements below. Adequate demonstration of the requirements can be shown through documented seasonal high groundwater levels within the area or if there is no evidence of groundwater in a test hole of the required depth.

Clothes washer system or simple system: The deepest irrigation or disposal point of the proposed graywater system shall not extend within five vertical feet (1,524 mm) of groundwater.

Complex system: The deepest irrigation or disposal point of the proposed graywater system shall not extend within 10 vertical feet (3,048 mm) of groundwater. (Ord. 3248-25, 10/21/2025)