Big Sandy Creek Watershed S-22
Big Sandy Creek Watershed S-22 is an earth dam located in Elbert County, Colorado, built in 1959. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Big Sandy Creek Watershed S-22
The primary purpose of Big Sandy Creek Watershed S-22 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Double El Scd, Board (devin Schinzel, Board Presid (local government). It impounds the Big Sandy Creek-tr near Matheson.
The dam stands 36 feet tall and stretches 831 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 303 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1959, the structure is well into its service life at over 50 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/15/2020.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Colorado |
| County | Elbert |
| Nearest City | Matheson |
| River/Stream | Big Sandy Creek-tr |
| Coordinates | 39.15750, -103.99001 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 31 ft |
| Dam Length | 831 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 303 acre-ft |
| Max Storage | 303 acre-ft |
| Normal Storage | 176 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,640 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOUBLE EL SCD, BOARD (DEVIN SCHINZEL, BOARD PRESID |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00732 |
| Federal ID | CO00732 |
| More Info | State Dam Safety Program |