US Army Corps of Engineers
Portland District

Water quality maintenance

Water quality maintenance is a measure of how well the ecosystem cleans contaminants, oxygen demanding substances, and suspended matter.

Processes that affect water quality maintenance:

  • Water storage
  • Primary production
  • Element cycling

Contact information

Ronald Thom, Ph.D
360-681-3657

Marine Research Operations, PNNL
1529 W. Sequim Bay Rd.
Sequim, WA 98382