D.O.E. Rocky Flats C-2, also known as Woman Creek No. 2, is a federally owned dam located in Westminster, Colorado. Operated by the Department of Energy (DOE), this dam serves as a vital water resource in Jefferson County, with a primary purpose classified as "Other." Completed in 1979, the Earth-type dam stands at a height of 32 feet and has a maximum storage capacity of 188 acre-feet. It spans a length of 1200 feet and has a spillway width of 250 feet for managing peak discharges of up to 19,100 cubic feet per second.

Situated on Woman Creek, D.O.E. Rocky Flats C-2 plays a crucial role in water management and flood control for the surrounding area. With state-regulated permitting, inspection, and enforcement processes in place, the dam is equipped to handle potential risks and emergencies with a low hazard potential. Despite its moderate risk assessment, the dam's condition assessment is currently not available, highlighting the need for ongoing monitoring and maintenance to ensure its continued effectiveness in safeguarding the local watershed.

Managed by the DOE for construction, funding, regulation, inspection, and operation, D.O.E. Rocky Flats C-2 represents a collaborative effort to balance water resource needs with environmental protection. With its strategic location and design features, this dam serves as a critical infrastructure asset in Colorado's water management system, demonstrating a commitment to sustainable water resource management amidst changing climate conditions and increasing demands for water security in the region.