How do I safely get rid of sewage and liquid wastes?
(1) You must dispose of sewage and liquid waste into a public sewer system or approved on-site sewage disposal system (septic system) designed, constructed and maintained as required in chapters 246-272A and 173-240 WAC and local ordinances. (2) If you have an on-site sewage system, you must: (a) Have written verification that the system has been approved by the department of health or local health jurisdiction; and (b) Locate your drain field and venting to be sure that: (i) Playgrounds are not on and do not interfere with the access to or operation of the on-site sewage system including the drain field; and (ii) That drain field venting does not vent onto the playground.
