2015-07-09_PERMIT FILE - P2015016 (2)

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Public Services — Watershed Protection District Dispersal system means a system for the disposal of effluent after final treatment in an ISDS by a method which does not depend upon or utilize the treatment capability of the soil. Effluent means the liquid waste discharge from an ISDS. Excavating means any act by which ten (10) cubic yards or more of soil or rock is cut into, quarried, uncovered, removed, displaced or relocated, and includes the conditions resulting therefrom. Filling means the deposition of ten (10) cubic yards or more of material brought from another location by other than natural means. Foreseeable risk means the reasonable anticipation that harm or injury may result from an act or omission. Grading means the alteration of the natu- ral surface of any land by leveling, stripping, filling or excavating and involving ten (10) or 13-20a Supp. 4 13.50.040 more cubic yards of soil or other surface material; or the alteration of any natural or preexisting drainage pattern or channel through the alteration, movement or addition of surface materials; or the installation of any road or other surface utilized for the move- ment of vehicles. Individual sewer disposal system (ISDS) means an on-site sewage system of any size or flow designed to collect and treat, neutral- ize, stabilize and dispose of sewage that is not part of or connected to a permitted municipal sewage treatment works. Examples include, without limitation, conventional septic tanks and leach fields, absorption trenches and pits, constructed wetland treatment systems, evapotranspiration systems and mound sys- tems. Hydric soil means soil that, in its undrained condition, is saturated, flooded or ponded long enough during a growing season to develop an anaerobic condition that sup- ports the growth or regeneration of hydro- ponic vegetation.