by Mr. Hudson Slay Environmental Planner, EPA at the Hawaii Water Quality Conference 2008

1. Everything You Never Wanted to
Know About
Cesspools and Onsite Wastewater
Hawaii Association of Conservation Districts
2008 Water Quality Conference
March 24-25, 2008
Hudson Slay
Hawaii Department of Health
Polluted Runoff Control Program

2. Overview
• Cesspools and other types of onsite
wastewater disposal systems
• Water quality impacts of these systems
• Existing mechanisms to address cesspools
and onsite wastewater issues
• Elements of DOH Strategy
• Next Steps

3. Terms/Acronymns
• Large Capacity Cesspool (LCC)
• Individual sewage disposal system (ISDS)
• Individual wastewater system (IWS)
• Onsite sewage disposal system (OSDS)
• Onsite wastewater treatment system (OWTS)
• Conventional system
• Alternative system
• Alternative/Innovative system (AI)