Haw. Rev. Stat. § 342P-23: Criminal penalties.

Any person who knowingly violates this chapter or any condition in a permit or variance issued under this chapter, shall be fined not less than $5,000 nor more than $50,000 per day for each violation or imprisoned for not more than three years, or both. If a conviction of a person is for a violation committed after a first conviction of the person under this section, the person shall be fined not more than $100,000 per day for each violation or imprisoned for not more than six years, or both.