Big Sandy Creek Watershed N-18
Big Sandy Creek Watershed N-18 is an earth dam located in Elbert County, Colorado, built in 1959. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Big Sandy Creek Watershed N-18
The primary purpose of Big Sandy Creek Watershed N-18 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 Simla.
The dam stands 26 feet tall and stretches 1,466 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 254 acre-feet, and collects water from a drainage area of 1 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 10/15/2020.
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Location
| State | Colorado |
| County | Elbert |
| Nearest City | Simla |
| River/Stream | Big Sandy Creek-tr |
| Coordinates | 39.16111, -104.10779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 22 ft |
| Dam Length | 1,466 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 254 acre-ft |
| Max Storage | 254 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,984 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 | Unsatisfactory |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00560 |
| Federal ID | CO00560 |
| More Info | State Dam Safety Program |