Opinion: Boulder’s water supply and climate change
From observing the recent city council discussions on water, I thought it would be useful to go over some of the basics. Boulder’s water comes from three sources: North Boulder Creek (the “Watershed” below Arapahoe Glacier), Middle Boulder Creek (flows into Barker Reservoir near Nederland), and the Colorado-Big Thompson project (from the Colorado River, includes Windy Gap reservoir). North Boulder Creek drains the east side of Arapahoe Peak; the water is stored in multiple small lakes/reservoirs within the Watershed. The water flows into the Betasso Pipeline, starting on the west side of the Peak-to-Peak Highway near Caribou Ranch, then to the Betasso Treatment Plant near Sugarloaf. Barker Reservoir water is piped to Koessler Lake, west of Green Mountain, and then down a pipeline to Boulder Canyon and up to the Betasso plant. Some of this water runs down to the hydro plant in Boulder Canyon. The C-BT water flows from the Colorado River headwa...