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Honolulu County, HI Trash & Recycling: Illegal Dumping (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Prohibited
dumping refuse in public places
Fine
up to $2,500 per violation
Vehicle use
also banned, § 42-1.10(b)
Citation target
registered vehicle owner
Who can cite
any city inspector

Summary

Throwing, dropping or dumping refuse or bulky waste on any street, alley, highway or public place anywhere on Oahu is banned, with fines up to $2,500 per violation under ROH §§ 42-1.10 and 42-5.1(f).

These county ordinances apply to unincorporated areas of Honolulu County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

No person shall throw, drop, place, dump, or deposit refuse, to include bulky wastes, on a street, roadside, alley, highway, or public place except as provided in this chapter. No person shall operate or use a vehicle in committing a violation of subsection (a). ... Any person violating § 42-1.10 shall be subject to a civil fine not exceeding $2,500 for each violation; provided that any person violating both §§ 42-1.4(d) and 42-1.10 shall be subject only to the civil fine set forth in subsection (a).

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-10: Supplement 10, 12-2025 Ordinance No. 25-40 through Ordinance No. 25-56).

Full Breakdown

No person may throw, drop, place, dump or deposit refuse, including bulky wastes, on a street, roadside, alley, highway or public place, and no one may operate or use a vehicle to commit that violation. An inspector can issue a written citation on witnessing a violation, on a citizen report, or on probable cause; if a vehicle is involved, the citation goes to the registered owner, identified by license plate.

Violations & Fines

Each violation of § 42-1.10 draws a civil fine up to $2,500 under § 42-5.1(f); if the same act also violates § 42-1.4(d), only the lower base fine in § 42-5.1(a) applies instead.

Frequently Asked Questions

What's the maximum fine for illegal dumping on Oahu?
Up to $2,500 per violation under ROH § 42-5.1(f) for violating the dumping ban in § 42-1.10.
Can I be cited if someone dumps trash from my car?
Yes, § 42-5.3(a)(4) lets an inspector cite the vehicle's registered owner, identified from the license plate, unless the plates were reported stolen first.

Sources & Official References

Other rules in Honolulu County

All Honolulu County rules

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