Photo by K. Moran, 2014


The Lake Whatcom watershed is located in Whatcom County in the northwest corner of Washington State. The Watershed is a major source of drinking water for residents and also provides a place to live for a variety of animals, fish and humans alike. Lake Whatcom has also played an important role in the community's history of logging, mining, and lumber mills.

  watershed and lake facts  
Fish and Wildlife
Water Supply and Treatment
water quality
History of Lake Whatcom
Bathymetry Map of Lake Whatcom
Water Quality Monitoring Reports

Drinking Water Quality Reports
Lake Whatcom Water Quality Improvement Project (TMDL): Ecology Website