Haw. Rev. Stat. § 128D-10: Knowing releases.

Any person who knowingly releases a hazardous substance into the environment in an amount above the reportable quantity established in the rules (other than a permitted release pursuant to and in accord with a federal, state, or county permit), shall be subject to prosecution for a class C felony or shall be punished by a civil penalty of not more than $100,000 per day of violation.