Boulder Reservoir

The Boulder Reservoir is a 700-acre, multi-use recreation and water-storage facility, owned and managed by the City of Boulder and operated as a water supply by the Northern Colorado Water Conservancy District. It is used for recreation, drinking water and irrigation. Popular recreation activities at the reservoir include boating, swimming, sun bathing, water skiing, fishing, picnicking, walking, running, cycling and wildlife viewing.

All watercraft, including motor- and human-powered inflatable and hard, are required to have a current City of Boulder, Boulder Reservoir watercraft permit. Watercraft includes stand up paddleboards, kayaks, canoes, inflatable rafts, power boats, sail boats, kite boards, windsurfers etc. No unpermitted craft are allowed to enter the facility.

• Boat Permit Information

Boulder Reservoir will get an upgrade to one of its access ramps and floating docks.

• Project Details + Timeline

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• Boulder Reservoir Feedback Form

Read more about algae and cyanobacteria blooms and what to look out for.

• Understanding Algae and Cyanobacteria Blooms