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Environmental Stewardship

Environmental stewardship: a core value

As a major water provider in the West, Denver Water views itself as having a special responsibility to the environment. It is a responsibility we take very seriously. We incorporate it into both our strategic thinking and daily operations.

We view ourselves as stewards of the environment. It is an ethic and value that runs deep in our organization. It is inherent in everything we do because our infrastructure is not just our pipes and reservoirs — it is also millions of acres of Colorado forests and thousands of miles of rivers and streams. 

Our environmental commitment also stems from the preciousness of the resource with which we work. Water is essential to making Colorado beautiful and to ensuring the quality of life we enjoy. Yet it is scarce in our state. And demands for it are intensifying.  

With that understanding, Denver Water’s highest responsibility remains to serve 1.3 million people today and a growing population in the future. We strive to do so while minimizing our environmental footprint and working collaboratively with our neighbors to protect and enhance supplies for agriculture, riparian habitat, stream health and many other needs.


  • Being an environmental steward

    It begins with our mission statement:

    Denver Water will be a responsible steward of the resources, assets and natural environments entrusted to us in order to provide a high-quality water supply, a resilient and reliable system, and excellent customer service.

    We put this into practice by working hard to strengthen the health of our rivers and streams, protect endangered species, protect our watersheds, and maximize water use efficiency.

  • Strengthening the health of Colorado's rivers and streams

    The Colorado River Cooperative Agreement, an unprecedented and historic agreement with the West Slope, heralds a new approach to water in the West. It is an approach based on cooperation and collaboration, one that will strengthen Colorado’s rivers and streams by:

    • Ensuring more water in the Fraser and Blue Rivers in dry years.
    • Funding multiple water improvement and stream restoration efforts.
    • Improving or changing stream channels to strengthen aquatic habitat.

    We work with mountain communities daily to proactively identify ways to operate our system so that flows are provided for rivers and streams. Our work in Grand County, for example — home to the headwaters of the Colorado River — protects and ensures flows for the upper reaches of the river. 

    On the South Platte, where much of our water originates, we are working with environmental interests, government agencies and recreational users to protect the important values of the river by managing stream flow to enhance trout fisheries and recreation, improving water quality, and protecting the canyons and river channels.

    Working cooperatively with the cities of Boulder and Lafayette, a 5,000-acre-foot environmental pool will be created as part of an enlarged Gross Reservoir for purposes of enhancing stream flow in South Boulder Creek during low flow periods. Approximately 17 miles of aquatic habitat in the creek from Gross Dam to the confluence with Boulder Creek will benefit from the water released from the environmental pool. The additional storage will be filled with water owned by Boulder and Lafayette and managed under an intergovernmental agreement between Denver Water and the cities.

    In the Fraser River, we worked with the Colorado Department of Transportation, Grand County, the U.S. Forest Service and others to modify our diversion structure to capture and recover road sand applied to U.S. Highway 40 that has been clogging the Fraser River.

  • Generating clean, renewable energy

    There are seven hydroelectric plants in Denver Water’s system; the oldest was built in 1959 and the newest in 2007. Those plants generated more than 87 million kilowatt hours of energy in 2012, more than enough to power all of Denver’s 22 pump stations, four treatment plants and other major facilities. Some of that electricity is used to power our facilities, but most of it is sold to Xcel Energy and Tri-State Generation and Transmission Association.

  • Protecting endangered species

    Denver Water is a leader in the Colorado River Recovery Program, which has become a national model for its collaborative conservation efforts to protect endangered species. The program is a coalition of states, government agencies, environmental organizations and water providers cooperating to restore and manage stream flows and habitat to help bring the humpback chub, Colorado pike minnow and other endangered fish species on the Colorado back from extinction.

    Denver Water also is a leader in the Platte River Recovery Implementation Program, in which we work with other water providers, neighboring states and the Department of Interior to restore and protect habitat land for the whooping crane and other endangered species.

  • Protecting our watersheds

    We are partners with the U.S. Forest Service, each investing $16.5 million to restore forest health on more than 38,000 acres of forest land. In watersheds in the Blue River and upstream of Denver Water reservoirs, forests will be thinned, fire breaks created, and damaged forests will be reforested. 

    We are working with multiple federal agencies and other Front Range water providers to identify and prioritize at-risk watersheds that will be the focus of protection measures.

    Denver Water is restoring fens and wetlands in Park County, collecting excess sediment in the Fraser River in Grand County, evaluating the health of cottonwood trees along the High Line Canal, and taking many more measures to ensure the health of watersheds.

  • Using water efficiently

    A key part our water supply strategy is being as efficient as possible with the supplies we have. By capturing reusable water and using it for water exchanges or in our recycling plant, we are developing up to 50,000 acre-feet of additional  supply that we would otherwise need to acquire from agriculture or other water basins in Colorado.

    Water conservation is another way of maximizing the efficiency of what we have.  After decades of commitment to water conservation, Denver Water is now recognized as a national leader among major national municipalities.

    Conservation is integral to our supply and demand strategies. We have worked hard to educate our customers through our award winning Use Only What You Need campaign and other efforts. Residents have responded robustly. Their success is succinctly summarized in one statistic: Since the early 1970s, the number of people we serve has increased by almost 50 percent while the amount of water they use has increased only 6 percent.

    The average number of gallons per capita that our customers consume is 85 gallons per day, one of the lowest in the western U.S. It is nearly 20 percent lower than use prior to the 2002 drought.

    Our efforts continue today as we explore further technical, policy and behavioral opportunities to become even more water efficient while maintaining the quality of life Denver area citizens have chosen for themselves.

  • Tracking our greenhouse gas footprint

    Denver Water participates with the The Climate Registry, a nonprofit collaboration among North American entities that sets consistent standards to calculate, verify and publicly report greenhouse gas emissions into a single registry. For the past five years, we have been tracking our greenhouse gas footprint so we can find ways to reduce its impact.