Chapter 13.20 CESSPOOLS AND SEPTIC TANK CONSTRUCTION This chapter is included in your selections. Sections: 13.20.010 Cesspool or septic tanks required. 13.20.020 Approval of plans. 13.20.030 Conformity required. 13.20.040 Unlawful to drain cesspool or septic tank into drainage ditch. 13.20.050 Violations—Penalties.