
Our Work
In 2019, water samples are being collected and analyzed from 13 sites within the Big Thompson Watershed. Learn about our current USGS Cooperative Monitoring Program and read about our water quality reporting.

The Watershed
The Big Thompson Watershed includes 173 lakes, 974 river miles, and 530 perennial river miles, encompassing more than 900 square miles. Tour the Big Thompson Watershed or browse through our watershed maps.

News
Big Thompson Watershed Forum produces a newsletter that includes information on water quality and data, events and outreach, and other news related to the Big Thompson Watershed.