Daniel K. Inouye International Airport Environmental Compliance Program


Plans relating to the HNL Small MS4 NPDES Permit HI S000005 will be posted here for public review and comment for at least 30 calendar days prior to implementation. Please send any comments or questions to AIR-EE via email ([email protected]) , phone (808-838-8002) or online

  • None at this time

Spills and Illicit Discharge Reporting

Please report any illicit discharges, illegal connections, or other environmental violations to Airport Environmental Health Specialists at (808) 838-8002 and/or Airport Emergency Services at (808) 836-6670.

National Pollutant Discharge Elimination System (NPDES) Permit

HNL SWMPP (Stormwater Management Program Plan)

The SWMPP has been developed to assist all those parties conducting operations on HNL with meeting the requirements detailed in the NPDES Permit.

The HNL SWMPP is available at the following location:

State Department of Transportation
Airports Division
400 Rodgers Boulevard, Suite 700
Honolulu, Hawaii 96819-1880
ATTN: HNL Environmental Program (AIR-EE)

Airport Maps

Extended Education and Outreach Program

Useful Links

Get Adobe Reader To view and print the Portable Document Files (pdf), you need a free copy of Adobe Acrobat Reader. This will take you to the Adobe web site, where step-by-step instructions are available.