WW - Wastewater Discharge License


All significant industrial (non-domestic) users who discharge wastewater that is processed at the County of Maui's Wastewater Treatment facilities are required to obtain a Wastewater Discharge License. There are six types of discharges defined in the  Maui County Code, Chapter 14.21A.105.

How to Apply

Wastewater Discharge License Applications are available online, via the Maui County's MAPPS Customer portal. Renewal reminders are automatically emailed to establishments forty-five days prior to the current permit's expiration. All establishments must pass a pre-treatment inspection prior to issuance or renewal of a permit.

A user with an expiring Wastewater Discharge License shall apply for the Wastewater Discharge License renewal in MAPPS, through CSS, in accordance with Maui County Code Chapter 14.21A.100, at least forty-five days prior to the expiration of the existing Wastewater Discharge License.

Approving Agencies

The Department of Environmental Management Wastewater Reclamation Division is authorized to process all Wastewater Hauler applications and issue resulting licenses.

Processing Time

Licenses are normally completed within a week provided all required information is included in the application.

Duration of Approval

A Wastewater Discharge License is valid for a two-year period. The license indicates an expiration date and is non-transferable. A Wastewater Discharge License expires at eleven fifty-nine p.m. on the specified date.


Fees are set forth in the annual County budget. The current fees are as follows:

  • Initial application fee for first time permit is $10 for food service establishments
  • A $120 fee is applicable for new license issuance
  • License renewals require a $120 fee

All fees are non-refundable and non-transferable. Checks are made payable to "County of Maui, Director of Finance".

Set of Plans Required

Approved plans of the facility are required to be on file with the Wastewater Reclamation Division. Plan requirements for a commercial kitchen are listed in the handout titled "Submittal Requirements for Commercial Kitchens". Contact Wastewater Reclamation Division with any questions or requirements for other facility types.