§ 13.48.020. Location and construction requirements.  


Latest version.
  • A.

    All disposal fields shall be constructed such as to meet the following requirements:

    Minimum number of leaching lines ..... 2

    Maximum length of each line ..... 100 feet

    Minimum length of each line ..... 50 feet

    Minimum width of trench ..... 18 inches

    Minimum depth of trench ..... 30 inches

    Minimum spacing between lines:

     Six feet or two times trench depth, whichever is greater

    Minimum depth of earth cover over lines ..... 12 inches

    Minimum filter material under perforated pipe ..... 12 inches

    Minimum filter material over perforated pipe ..... 2 inches

    B.

    Trench bottom and all perforated piping are to be level.

    C.

    The administrative authority may alter the above specifications when satisfied that such alteration is necessary for the functioning of the proposed system, or will benefit the function of future systems.

(Ord. 1109 § 1 (part), 1996: prior code § 5592)