Owner: Pine Brook Water District, 1903 Linden Drive, Boulder, Colorado, 80304
Dam Type Code: Gravity Concrete Dam Dam Height: 83 feet (to bottom of excavation) Dam Height from finished grade: 73 feet Crest Length: 606 feet (overall including parapet wall) Crest Length: 571 (not including parapet wall) Crest Length Visible: 550 feet Crest Width: 14.13 feet Reservoir Surface Area: 4.06 acres Normal Storage Capacity: 100.96 acre feet Maximum Storage Capacity: 137.36 acre feet (during flood) Drainage Basin Area: 300 acres Maximum Outlet Discharge Capacity: 49 cubic feet/second (cfs) Principal Spillway Capacity: 500 cubic feet/second (cfs) Emergency Spillway Capacity: 4,100 cubic fee/second (cfs) Next Downstream City or Town: City of Boulder Distance to Downstream Town: 1 Mile River or Stream: Two Mile Creek
- 32,425 cubic yards of material were excavated.
- 15,000 cubic yards of soil will be used to create the downstream embankment against the downstream face of the dam.
- 4,302 cubic yards of conventional concrete were poured for the upstream dam face, the spillway tower & the spillway outlet structure.
- 34,140 cubic yards of roller compacted concrete were used to construct the main body of the dam.
Reservoir Stats & Facts