Airports

PUBLIC REVIEW AND COMMENT

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.

• Spill Reporting Form
• HNL Spill Reporting Fact Sheet
• Public Concerns and Inquiries

National Pollutant Discharge Elimination System (NPDES) Permit

• Honolulu International Airport–Small MS4 NPDES Permit
• HNL Small MS4 NPDES Permit Administrative Extension

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.

• Introduction
• Public Education and Outreach
• Illicit Discharge/Illegal Connections BMP Program
• Construction Site Runoff Control Program – Located under the Construction Site Runoff Control Program tab.
• Post Construction Stormwater Management – Located under the Construction Site Runoff Control Program tab.
• Pollution Prevention and Good House Keeping Program
  • Maintenance Baseyard SWPCP This version of the HNL Maintenance Baseyard SWPCP supersedes all other versions of the SWPCP within the HNL SWMPP.
• Industrial & Commercial Activities
  • Tenant Inspection and Enforcement Manual
  • Best Management Practice (BMP) Field Manual for Operations at State of Hawaii Airports
• Under the Industrial & Commercial Activities Discharge Management Program, all airport tenants conducting industrial activities at defined by the Code of Federal Regulations Title 40, Part 122 must obtain an NPDES permit coverage for their industrial activities and develop/implement a site-specific Stormwater Pollution Control Plan (SWPCP).
  • Tenant Guidance Information Packet (full packet)
  • Tenant Agreement for Compliance with State Airport Drainage System
• Hydrocarbon Removal and Remediation Program
• Annual Monitoring Plan (February 2020)

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

• Bodies of Water
• HNL Municipal Separate Storm Sewer System (MS4) Map. (Revised March 2019) ** Please note that the map may be periodically updated.

Extended Education and Outreach Program

• Fact Sheet: Illicit Discharges & Illegal Connections
• Landscaping Materials Guide
• Stormwater Activity Book
• Hazardous Waste Materials Guide
• Airports Stormwater Pollution Depiction
• PBMP Inspection & Maintenance Fact Sheet
• Janitorial Fact Sheet

Useful Links

• Department of Health – Clean Water Branch
• United States Environmental Protection Agency
• City & County of Honolulu Department of Environmental Services
• State of Hawaii Department of Transportation Stormwater Management

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.