Lower Big Creek
Lower Big Creek is an earth dam located in Jackson County, Colorado, built in 1978. It carries a Low hazard potential classification.
About Lower Big Creek
The primary purpose of Lower Big Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Silver Spur Operating Company, Llc (private). It impounds the South Trib Big Cr near Cowdrey.
The dam stands 11 feet tall and stretches 550 feet across, creates a reservoir covering 600 acres, has a maximum storage capacity of 3,834 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1978, the structure is 48 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/26/2016.
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Location
| State | Colorado |
| County | Jackson |
| Nearest City | Cowdrey |
| River/Stream | South Trib Big Cr |
| Coordinates | 40.93545, -106.61101 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 10 ft |
| Dam Length | 550 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 3,834 acre-ft |
| Max Storage | 3,834 acre-ft |
| Normal Storage | 1,434 acre-ft |
| Surface Area | 600 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 3,690 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SILVER SPUR OPERATING COMPANY, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/26/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02077 |
| Federal ID | CO02077 |
| More Info | State Dam Safety Program |