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Antero Reservoir 2012 operations

March 09, 2012 - Denver Water, in coordination with Colorado Parks and Wildlife and the Office of the State Engineer, lowered Antero Reservoir by 2 feet beginning the first week in May 2011. The maximum reservoir height of 16 feet, established in 2011, will continue to be in effect for  this year for further engineering evaluations of the dam. These continuing studies will determine the long-term plan for the facility.

Denver Water will keep the popular reservoir open to recreation, and Colorado Parks and Wildlife will continue to manage the fishery.

The drawdown is a safety precaution to reduce water pressure and seepage within the dam to ensure it doesn’t pose a safety risk to area visitors and residents. Antero Dam, built in 1909, has experienced excessive seepage since it was built and has been operating under reservoir storage restrictions by the state since the early 1900s to ensure public safety.

Antero Dam was completed in 1909 by Canfield and Shields of Greeley, and its purchase was finalized by Denver Water in 1924. The reservoir was named Antero, derived from the Spanish word “first,” because it was the first reservoir on the South Platte, nearest to the river’s headwaters.

Wildlife concerns and questions regarding fishing at Antero can be directed to Colorado Parks and Wildlife at 303-291-7227. For questions regarding Antero operations, contact Denver Water Recreation at 303-628-6526.


Denver Water proudly serves high-quality water and promotes its efficient use to 1.3 million people in the city of Denver and many surrounding suburbs. Established in 1918, the utility is a public agency funded by water rates, new tap fees and the sale of hydropower, not taxes. It is Colorado’s oldest and largest water utility. Follow us on Twitter.

For media inquiries, contact:
Stacy Chesney/Travis Thompson

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