Organizations

• Pacific Northwest Clean Water Association (PNCWA)
• Water Environment Federation (WEF)​​
• OESAC Courses  http://www.oesac.com/deqcourses.htm

Regulatory Agencies

• Oregon Department of Environmental Quality (ORDEQ)
  
• U.S. Environmental Protection Agency (EPA)
• U.S. EPA - Region 10
• Oregon Water Resources