If any person files a complaint with the commission that any other person is wasting or polluting water, or is making a diversion, withdrawal, impoundment, consumptive use of waters or any other activity occurring within or outside of a water management area, not expressly exempted under this code, without a permit where one is required, the commission shall cause an investigation to be made, take appropriate action, and notify the complainant thereof. All complaints related to water quality shall be filed directly with the department of health.
Haw. Code R. § 13-167-82