Small Municipal Separate Storm Sewer System (MS-4) Program

According to the Hawai’i Department of Education (HIDOE), the Small Municipal Separate Storm Sewer System Program, also known as MS-4, is the program designed to raise awareness and improve our water resource management and maintenance as the most urban-dense populated island in the island chain, O’ahu.

This page lists a document of PDF resources on responsible water management and minimizing pollution in to our sewer systems.

Policy Information
04.1ab – Consolidated Campus Water Pollution Prevention Program
04.2b1 – Small Municipal Separate Storm Sewer System, MS4 Program
04.2b2 – About the City and County of Honolulu Drain System
04.2b3 – Protecting Water Quality from Urban Runoff, EPA
04.2c1 – Car Washing Guidelines
04.2c4 – Home and Garden
04.2c5 – Auto Maintenance

Report
Storm Drainage Asset Maintenance Report
03.2b Campus Drainage Cleanup Event Guidelines
03.3a ILLICIT DISCHARGE DETECTION AND STORM WATER BMP GUIDELINES
03.2c STORM DRAIN STENCILING EVENT GUIDELINES
NPDES SMALL MS4