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HCC §21-9

What cannot be put into the public sewer

Read the official text at hawaiicounty.gov ↗

This section lists items that are not allowed to be dumped into the public sewer. It covers hot liquids, grease, flammable materials, unshredded garbage, solids that can clog pipes, corrosive or toxic wastes, and smelly or dangerous gases. The rules also include any other limits set by state or federal agencies.

everyone

The ordinance, as written (Hawaiʻi County) — Prohibited wastes

A copy, taken August 21, 2026. The version published by Hawaiʻi County is the one that governs, and it may have changed since. Check it before relying on anything here.

Except as hereinafter provided in this chapter, no person shall, directly or indirectly, discharge or cause to be discharged into a public sewer any of the following: (1) Any liquid or vapor having a temperature higher than one hundred fifty degrees Fahrenheit; (2) Any water or waste which may contain more than one hundred parts per million, by weight, of fat, oil or grease; (3) Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid or gas; (4) Any garbage that has not been properly shredded; (5) 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; (6) Any water or wastes having pH lower than 5.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works; (7) 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 animals, or create any hazard in the receiving waters; (8) Any noxious or malodorous gas or explosive liquids or substance capable of endangering public property and safety, or creating a public nuisance; or (9) Other restrictions as provided in accordance with regulations or requirements of the State department of health or the U. S. Environmental Protection Agency.
Read the official text at hawaiicounty.gov ↗as published Jul 16, 2026our copy taken Aug 21, 2026

Published by the County of Hawaiʻi Office of the County Clerk.

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