4800 West 92nd Avenue Westminster, CO 80031

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Standley Lake Regional Park


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Standley Lake Regional Park is a 2,321 acre park located in unincorporated Jefferson County.  The main entrance is located at 100th Avenue and Simms Street. Standley Lake is a multi-use recreation and water-storage facility, and is the water supply for Westminster, Northglenn, and Thornton. It is used for recreation, drinking water and irrigation. Popular recreation activities at the lake include, water skiing, paddle boarding, kayaking, fishing, picnics, walking, running, cycling and wildlife viewing.

The water rights for Standley Lake Reservoir are owned by FRICO (Farmers Reservoir and Irrigation Company), the City of Westminster, Northglenn, and Thornton. Standley Lake has been used as a recreation area since 1970.  There is an Intergovernmental Agreement (IGA), which governs the water use and is managed by the Standley Lake Operations Committee (SLOC).  The members of the SLOC committee are comprised of officials from the City of Westminster, the City of Northglenn, the City of Thornton, and FRICO.

Aquatic Nuisance Species Protection Program (ANS)

Standley Lake does not allow any type of watercraft including paddle boards, canoes, kayaks, inflatable rafts, or tubes to enter into the lake at any entrance point except the main park entrance located at 100th & Simms. Any and all watercraft must be sprayed in accordance with ANS regulations prior to launching. Failure to comply with this regulation will result in an automatic citation and a summons to court. Please call the Standley Lake Visitor's Center for more information at (303) 425-1097.

Below is information about the ongoing threat posed by aquatic nuisance species at Standley Lake, including the inspection, cleaning, and quarantine procedures for boating on the lake.

Aquatic Nuisance Species Protection Program FAQ




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