(1) All sewage disposal and wastewater from homes, service buildings and community buildings shall be drained to a sewage collection system and discharged to a public sewage system. All sewer collection lines and side sewers shall be designed and installed in accordance with the Uniform Plumbing Code as adopted by the City.

(2) All sewer lines shall be located in trenches of sufficient depth to ensure that it is free from breakage from vehicular or other traffic and shall be separated from the park water supply system at a distance as provided by the Health Officer. Sewers shall be at a grade which will insure a velocity of two feet per second when flowing full. All sewer lines shall be constructed of materials approved by the Health Officer and/or Building Inspector, shall be adequately vented, and shall have watertight joints and appropriate cleanouts.

(3) Each home site shall be provided with a sewer riser pipe which is at least four inches in diameter. The sewer riser pipe shall be so located on each site that the connection to the home drain outlet will approximate a vertical position.

(4) The sewer connection shall have a minimum diameter of at least three inches, and a slope of any portion thereof shall be at least one-fourth inch per foot. The sewer connection shall consist of one pipeline only without any branch fittings. All joints shall be watertight.

(5) The sewer riser pipe shall be plugged when not attached to a home. Surface drainage shall be diverted away from the riser. The rim of the riser shall extend above ground elevation. [Ord. 3731 § 28, 2005; Ord. 3300 § 3, 1998; Ord. 3209 § 2, 1997; Ord. 1843 § 3, 1977; Code 1970 § 19.08.060.]