WA Domestic Pump or Pump and Irrigation Certification Exam

WA Domestic Pump or Pump and Irrigation Washington’s domestic pump and irrigation certification recently tightened standards around groundwater testing and pressure tank compliance. Installers must now verify water quality before system sign-off—a shift that catches many experienced technicians unprepared. The updated exam reflects stricter liability requirements and expanded coverage of smart irrigation controllers, making this a pivotal credential for staying compliant in the state’s evolving water management landscape.