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Division of Environmental Quality

Monitoring and Testing

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A full-service ENV laboratory of more than 35 chemists and technicians analyze:

  • Bacteria levels
  • Micro-mollusk populations (tiny seashell organisms)
  • 64 chemicals in the flesh of fish caught in the area
  • Abnormal growths in the livers of fish caught in the area
  • Nutrient levels (nitrogen, phosphorus)
  • Chlorophyll levels (which are related to algae growth)
  • Turbidity and temperature
  • Properties of the sand and sediment from the sea floor
 
Data from these tests help determine how the ocean environment is changing and whether treated effluent is affecting fish or fauna in Hawaiian waters. The work by ENV, the ongoing tests by EPA-certified labs on the mainland and independent studies by researchers at the University of Hawaii, all reflect that the City and County of Honolulu's wastewater facilities have little to no effect on the health and well-being of our island's ecosystem.
Last Reviewed: Tuesday, May 10, 2011