Permits
Industrial Wastewater Discharge Permit/Application
Commercial projects that require a building permit and have a sewer connection will need to be evaluated for the issuance of an Industrial Wastewater Discharge Permit (IWDP). Complete and return the IWDP application below to the Department of Planning and Permitting, Wastewater Branch, 650 South King Street, 1st floor. The information provided will assist in determining if an IWDP is needed. If required, the form will then be used as an application for the IWDP. Please contact us at Regulatory Control for more information.
- IWDP Building Permit Application (PDF) [Updated June/2023] – BUILDING PERMIT APPLICANTS ONLY
- IWDP Building Permit Application (PDF) [Updated June/2023][Updated May/2023]
- IWDP_Food_Survey_Establishment_Survey-Application [Updated May/2023]
NOTES:
- Please refer to CHAPTER 2 RULES, if you are installing, replacing or connecting to a GREASE REMOVAL DEVICE (GRD) also known as a GREASE INTERCEPTOR (GI).
- Please refer to the CHAPTER 3 RULES for local limits applicable to industrial discharges in the Sand Island Wastewater Treatment Plant and the Honouliuli Wastewater Treatment Plant tributaries.
Liquid Wastehaulers Industrial Discharge Program
This application is for businesses that haul and dispose of liquid waste into the City sewer system. Please contact ENV’s Regulatory Control Branch for more information. *Please verify that the hauler you select also is permitted by the City and County of Honolulu if they intend to discharge at one of the authorized city discharge sites.
- Liquid Waste Hauler Industrial Wastewater Discharge Permit Application (PDF) [Sept/2024]”
- Grease Wastehauler Industrial Wastewater Permit Application (PDF) [Feb/2003]
- Liquid Waste Collecting Companies Permitted by City & County of Honolulu [Types I & III]
- Registered Grease Haulers by City & County of Honolulu (Type II)
- Permitted LWH Discharge Sties for Domestic Waste Haulers [Sept/2024]
- Permitted LWH Discharge Sites for Specialized Waste Hauler [Sept/2024]
- Domestic Waste Hauler Type 1 Manifest
- Domestic Waste Hauler Type 1 Monthly Activity Report
- Domestic Waste Hauler Type 1 Monthly Activity Report Additional Attachment
Video Training for the Honouliuli WWTP Septage Handling Facility
Significant Industrial User Wastewater Discharge Permit/ Application
Wastewater discharge from a Significant Industrial User (SIU) and a Categorical Industrial User (CIU) can have a major impact on the City’s collection system. Industrial users that fall into these categories are required to submit a Significant Industrial User Wastewater Discharge Permit Survey/Application.
An SIU is subject to National Categorical Pretreatment Standards under Title 40 CFR (Code of Federal Regulations). An SIU, as defined by the Environmental Protection Agency (EPA) contributes an average of 25,000 gallons or more per day of processed wastewater, 5% or more of the organic or hydraulic capacity of the Public Owned Treatment Works (POTW), and have a reasonable potential to adversely affect the operation of the wastewater collection system, treatment plant, or violate any pretreatment requirement.
A Categorical Industrial User (CIU) is identified as any industry that falls under the categories listed in 40 CRF Chapter I and Subchapter N. These categories are also listed in the SIUWDP Attachment A.
Temporary Industrial Wastewater Discharge Permit/Application
This application is for businesses that need to discharge temporarily into the sewer system. This includes chlorinated water, gray water, cooling tower water or any other polluted water that cannot be disposed of through the storm drain, landscaping or watering.
- Temporary IWDP Application (PDF) [Updated June/2018] Submit on letter-sized document
- Temporary IWDP Permit (PDF) [Updated April/2023) Submit on legal-sized document
NOTE: BOTH THE APPLICATION AND PERMIT MUST BE SUBMITTED TOGETHER.