Columbia Charges for disposal services ordinance (§ 13-192)
Chapter 13: Licenses, Permits and Miscellaneous Business Regulations · Article VII. Waste Haulers
In short: Haulers dumping acceptable liquid waste from within Columbia at the wastewater plant pay $0.049 per gallon for package-plant and stabilization pond sludge, $0.092 per gallon for septic, holding tank and portable toilet waste, plus $12.37 per load; waste from outside the city pays 1.5 times those rates, and an extra strength charge may apply.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
(a) There shall be an extra strength charge for any acceptable liquid waste discharged into the designated disposal facility, as provided by section 22-263(b)(2) of this Code.
(b) The following charges shall be imposed for acceptable liquid waste generated within the city limits of Columbia which is discharged at the Columbia Regional Wastewater Treatment Plant:
(1) Waste activated sludge from package wastewater treatment plants and stabilization pond sludge, per gallon .....$0.049
(2) Portable/chemical toilet, domestic holding tank, septic tank and other wastewater not described above in subsection (b)(1), per gallon .....$0.092
(3) Treatment service availability, per load .....$12.37
(c) Charges for acceptable liquid waste generated outside the city limits of Columbia which is discharged at the Columbia Regional Wastewater Treatment Plant will equal the rates listed above times 1.5.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 13-192
Text from Supplement 139 (September 3, 2026).
Last checked November 1, 2026. The city's official copy controls; this page is a reading copy, not legal advice.