Coeur d'Alene Lake | Region 10 | US EPA

Jump to main content.


Coeur d'Alene Lake


scenic mountains, tree and river photo from the Coeur d'Alene River Basin.
Coeur d'Alene Lake encompasses 49.8 square miles at its normal full-pool elevation (2,128 feet above sea level), with a maximum water depth of 209 feet. Its principal tributaries are the St. Joe's River and the Coeur d'Alene River. It flows out to form the Spokane River. Coeur d'Alene Lake is a natural lake but it's elevation is controlled by the Post Falls Dam. A large volume of metal-contaminated sediment has been deposited on the Lake bottom.

The 2008 Draft Lake Management Plan is available for viewing at the Idaho DEQ website.
Coeur d'Alene Tribe's Lake Management Department
Coeur d'Alene Lake Management Plan Alternative Dispute Resolution Assessment Report (About PDF) - Prepared by the U.S. Institute for Environmental Conflict Resolution.

The Coeur d'Alene Basin (OU 3) Record of Decision does not include cleanup actions for the Coeur d'Alene Lake. State, tribal, federal, and local governments are currently in the process of implementing a Lake Management Plan outside of the Superfund process using separate legal authorities.

Partial Deletion Flowchart (1 p 11 KB .pdf) - June 2005
Frequently Asked Questions Factsheet (1 p )- June 14, 2005
Lake Management Plan Comment Letter (6 p 94 KB .pdf) - March 25, 2003


Local Navigation


Jump to main content.