Chapter 17.20 CONNECTION TO PUBLIC SEWER SYSTEM This chapter is included in your selections. Sections: 17.20.010 Mandatory Connections and Abandonment of Old on-Site Sewer Systems. 17.20.020 Connection Standards and Costs. 17.20.030 Connection Payment. 17.20.040 Private Self-Contained Sewage Disposal Systems. 17.20.050 Persons Authorized to Accomplish Connections. 17.20.060 Penalty.