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The NISP/Glade Project

For nearly a century and half, the Cache la Poudre River has been dammed and diverted. Nearly 90% of its water is trapped behind dams or diverted out of the river for agricultural, municipal, and industrial uses. At various locations along its course and at the junction with the South Platte River, the Poudre is often dry or a dribble of its former self. Even if flowing, the river can be foul smelling in certain reaches because of poorly diluted municipal and other wastes, so much so that it is unpleasant to be around and you certainly wouldn’t want your dog to swim in it. There is even getting to be a problem with one heavy metal, selenium, and certain bacteria.

A small amount of the river’s water is unallocated. It runs freely and manages to peak every three of four years. The periodic peaking flows are essential for ensuring ecosystem health and preserving water quality.

Three large new dams have been proposed to impound this last remaining unallocated water in the river. The most potentially damaging of these is the proposed Glade Reservoir, part of the Northern Integrated Supply Project, or NISP. The NISP project was selected using a highly biased process that essentially ensured the selection of a huge -- and hugely damaging -- proposal.

The irony is that new dams may not actually be needed in our region. Northern Colorado communities, industry, and agriculture can meet their needs for water for drought protection and growth by conserving existing water resources, utilizing them at maximum efficiency, and working in close partnership with agriculture to share the wealth of water we are already using on farms.

Some Facts about the Proposed Glade Reservoir
The project is predicted to cost well over $426 million with huge debt load and huge annual operating costs. Total costs, including all incurred debt, would approach one billion dollars. Some subscribing communities like the town of Erie would be taking on approximately $15,000 in debt per family to finance the water if this project were built.
At 177,000 acre-feet, the proposed Glade Reservoir would be about 20% larger than Horsetooth Reservoir when full. Yet, the reservoir could only deliver up to 40,000 acre-feet per year on average. About 7-10% of the reservoir's water would evaporate every year and it would rarely be full.
Glade Reservoir would be built between the ridges of the hogback directly north of Ted’s Place, on Highway 287. About six miles of new highway would have to be constructed east of the hogback, to reroute the section of Highway 287 that would be flooded by the dam.
Glade Reservoir would receive most of its water during the wettest years, approximately one year out of four. Peaking flows would be taken from the river via massive and polluting pumps at a refurbished diversion dam across the main stem of the Poudre just upstream from the mouth of the Poudre Canyon. However, water could and would be diverted at most any time during all years.
During peaking flows, pumps would siphon off between 700 and 1,200 cubic feet per second (cfs) off the river, depending on the size of the pumps that get installed. This could be 15-40% of the river’s flow at the mouth of Poudre canyon, depending on the year and timing of the flow.
Glade Reservoir’s water level would rise and fall several dozen feet in any given year. An unsightly mosquito-breeding bathtub ring would mar a lovely foothills setting in this yo-yo rise and fall.
In addition to the direct impacts of Glade Reservoir on the Poudre, it would:
    • likely increase water and sewer utility costs to residents of Fort Collins, Greeley and Windsor,
    • fuel rapid regional population growth,
    • ultimately lead to the depletion of our working farms and ranches, and economy,
    • greatly harm our local river-dependent economy, and
    • fuel rapid, unsustainable regional population growth.
Though the Northern Colorado Water Conservancy District has consistently maintained that the effects of the NISP project are benign and that they can mitigate any minor impacts, the weight of informed opinion is sharply opposite. The Cities of Greeley and Fort Collins, the U.S. Environmental Protection Agency, the Colorado Water Quality Control Division, many distinguished scientists from Colorado State University, and of course, the SaveThePoudre Coalition, have all pointed to severe and unmitigatable impacts that would occur if NISP/Glade Reservoir were to be built. Please see SaveThePoudre's DEIS comments for more information on impacts.
You can download a flyer with this information and more from the Sierra Club, or a copy of the handouts for our PowerPoint presentation, The Dam Truth (1.4 MB).