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Water Quality Improvement Projects (TMDLs)

WRIA 22: Lower Chehalis

The following table lists overview information and links to specific water quality improvement projects (including total maximum daily loads, or TMDLs) for this water resource inventory area (WRIA). Please use links (where available) for more information on a project.

For general information about water quality improvement projects in the Chehalis River basin please visit www.ecy.wa.gov/programs/wq/tmdl/ChehalisIndex.html.

 

Counties


Waterbody Name Pollutant(s) Status** TMDL Lead
Grays Harbor Dioxin
Fecal Coliform
Approved Brett Raunig
360-690-4660
Humptulips River Temperature Approved Brett Raunig
360-690-4660
Simpson Timberlands Temperature Approved Brett Raunig
360-690-4660
Wildcat Creek Ammonia-N
BOD (5-Day)
Chlorine
Fecal Coliform
Approved Brett Raunig
360-690-4660

** Status will be listed as one of the following: Approved by EPA, Under Development or Implementation

For more information about WRIA 22:

* The Department of Ecology and other state resource agencies frequently use a system of 62 "Water Resource Inventory Areas" or "WRIAs" to refer to the state's major watershed basins.

 

Last updated October 2016