Columbia Discharge into storm sewers ordinance (§ 22-215.2)
Chapter 22: Public Works and Improvements · Article VI. Sewers and Sewage Disposal
In short: Stormwater and other unpolluted drainage must go into designated storm sewers or a natural outlet the director approves. Acceptable industrial cooling water or unpolluted process water may also go there with the director's approval, and an NPDES permit may be required.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
Stormwater and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers, or to a natural outlet approved by the director. Acceptable industrial cooling water or unpolluted process waters may be discharged upon approval by the director to a storm sewer or to a natural outlet. An NPDES permit may be required.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 22-215.2
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.