WW - Discharge License - Industrial User


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 (6) types of dischargers defined in the Maui County Code, Chapter 14.21A.105.  Four (4) fall into the Industrial User Category.

How to Apply

Go to the Maui County’s MAPPS Customer portal to apply for your license. Note that the MAPPS system calls it a Business License.  Choose the appropriate Industrial User Wastewater Discharge License dependent on your industrial class type and follow the prompts.  The Wastewater Reclamation Division will review your application. 

Renewal reminders are automatically sent to establishments three months prior to the current license's expiration. Note that all establishments must pass a pre-treatment inspection prior to issuance or renewal of a license. 

A user with an expiring Wastewater Discharge permit shall apply for Wastewater Discharge license reissuance by submitting a complete permit application, in accordance with Maui County Code Chapter 14.21A.100, at least ninety days prior to the expiration of the existing Wastewater Discharge permit. 

Approving Agencies

The Department of Environmental Management Wastewater Reclamation Division is authorized to review and process all Wastewater Discharge applications and issue resulting permits.

Processing Time

Permits 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 license 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. Payments can be made electronically on the MAPPS Customer Portal once they are assessed. 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. Contact Wastewater Reclamation Division if you have any questions for your facility type. 


  1. Wastewater Reclamation Division

    Physical Address
    2200 Main St.
    One Main Plaza Bldg, Suite 610
    Wailuku, HI 96793

  2. Any questions can be directed to:
    Mr. Scott Rollins, P.E. 
    Email: Scott Rollins, P.E.
    Phone: (808) 270-7417