← Back to search

KCC §25-3.2

What cannot go into the public sewer

Read the official text at ecode360.com ↗

This rule lists things you cannot put into the public sewer, like hot liquids, grease, flammable materials, unshredded garbage, and dangerous chemicals. It also bans anything that could damage the sewer system, harm people, or break environmental laws. The list is long and specific, so check it before dumping anything.

everyone

The ordinance, as written (Kauaʻi County) — Unacceptable Wastes

A copy, taken August 22, 2026. The version published by Kauaʻi County is the one that governs, and it may have changed since. Check it before relying on anything here.

Except as provided in other Sections of this Chapter, no person shall, directly or indirectly, discharge or cause to be discharged into a public sewer any of the following:Any liquid or vapor having a temperature higher than one hundred fifty (150) degrees Fahrenheit.Any water or waste which may contain more than one hundred (100) parts per million, by weight, of fat, oil, or grease.Any gasoline, benzene, naptha, fuel oil, or other flammable or explosive liquid, solid, or gas.Any residential garbage that has not been properly shredded. Garbage from commercial food establishments is prohibited.Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works.Any water or wastes having pH lower than 5.5 or higher than 9.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works.Any water or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animal, or create any hazard in the receiving waters.Any noxious or malodorous gas or explosive liquids or substance capable of endangering public property and safety, or creating a public nuisance.Water or wastes containing suspended solids of such character or quantity that unusual attention or expense is required to handle such materials at a wastewater treatment plant.Any unusual volume of flow or concentration of wastes constituting slug discharges as defined herein.Radioactive wastes or isotopes of such half-life or concentration that may exceed limits established by the County Engineer in compliance with applicable State or Federal regulations.Water added for the purpose of diluting wastes which would otherwise exceed applicable maximum concentration limitations.Unreasonably large amounts of dissolved solids.Water or wastes with concentrations exceeding National Categorical Pretreatment Standards promulgated by the U.S. Environmental Protection Agency in accordance with Sections 307(b) and (c) of the Federal Water Pollution Control Act, as amended. Upon promulgation, National Categorical Pretreatment Standards, if more stringent than limitations imposed under this Section, shall immediately supersede the limitations imposed under this Section.Any substance which may cause a County wastewater treatment plants' discharge or any other products thereof, such as residues, sludge, or scum to be unsuitable for reclamation and reuse or to interfere with the reclamation process. In no case shall a substance discharged to a County wastewater treatment plant cause it to be in noncompliance with sludge use or disposal criteria, guidelines, or regulations developed under Section 405 of the Federal Water Pollution Control Act (P.L. 95-500) as amended; any criteria, guidelines, or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic Substances Control Act; or State criteria applicable to the sludge management method being used.Any substance which will cause a County wastewater treatment plant to violate its National Pollutant Discharge Elimination System Permit or State Water Quality Standards.Any water or wastes that are considered hazardous as defined by any State or Federal law or regulation, including, but not limited to, regulations established by the United States Environmental Protection Agency (EPA) and published in Title 40 of the Code of Federal Regulations (40 CFR).
Read the official text at ecode360.com ↗as published Jan 1, 2026our copy taken Aug 22, 2026

The County of Kauaʻi publishes this code through eCode360 and states that it is provided for information only and should not be considered the official version of the Code.

LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.