Columbia Confidentiality of permit information ordinance (§ 22-219.1)
Chapter 22: Public Works and Improvements · Article VI. Sewers and Sewage Disposal
In short: Businesses applying for a pretreatment permit may claim reported information as confidential under federal rule 40 CFR 403.14, but they must prove the claim. Information not claimed confidential, and effluent data from monitoring and inspections, is public without restriction.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
(a) Information and data required by federal, state or local rule to be reported on the pretreatment applications may be claimed as confidential pursuant to federal rule 40 CFR 403.14 by the submitter. The burden of providing confidentiality pursuant to federal rules shall remain with the submitter.
(b) Information not claimed to be confidential and information obtained from monitoring programs and inspections which is effluent data shall be available to the public without restriction.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 22-219.1
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.