Poso Detention Dam
Poso Detention Dam is a gravity dam located in Conejos County, Colorado, built in 1963. It carries a Low hazard potential classification.
About Poso Detention Dam
The primary purpose of Poso Detention Dam 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 Doi Blm (federal). It impounds the Tributary To Conejos River.
The dam stands 36 feet tall and stretches 1,171 feet across, creates a reservoir covering 307 acres, and has a maximum storage capacity of 263 acre-feet. Completed in 1963, 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. The most recent inspection on record was 06/03/2014. That was over 11 years ago.
At 36 feet, this dam is taller than 83% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Conejos |
| Nearest City | None |
| River/Stream | Tributary To Conejos River |
| Coordinates | 37.12006, -106.11525 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 36 ft |
| Dam Length | 1,171 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 263 acre-ft |
| Max Storage | 263 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 307 acres |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/03/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01265 |
| Federal ID | CO01265 |
| More Info | State Dam Safety Program |