Chapter 13.75 SEPTIC TANK WASTE DISPOSAL This chapter is included in your selections. Sections: 13.75.010 Unlawful dumping prohibited. 13.75.020 Wastewater treatment plant – Disposal site. 13.75.030 Septage requirements. 13.75.040 Application requirements. 13.75.050 Dumping rules, procedures and practices. 13.75.060 Billing procedure. 13.75.070 Unlawful dumping – Penalty.