Mcdonough #1
Mcdonough #1 is an earth dam located in Saguache County, Colorado, built in 1950. It carries a Low hazard potential classification.
About Mcdonough #1
The primary purpose of Mcdonough #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Old Agency Ranch (sharpe, Robert) (private). It impounds the Los Pinos Creek near Gunnison.
The dam stands 66 feet tall and stretches 140 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 1,029 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 10/03/2018.
At 66 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Colorado |
| County | Saguache |
| Nearest City | Gunnison |
| River/Stream | Los Pinos Creek |
| Coordinates | 38.16026, -106.87711 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 66 ft |
| Dam Height | 63 ft |
| Dam Length | 140 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 1,029 acre-ft |
| Max Storage | 1,029 acre-ft |
| Normal Storage | 805 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 1,036 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | OLD AGENCY RANCH (SHARPE, ROBERT) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/03/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00795 |
| Federal ID | CO00795 |
| More Info | State Dam Safety Program |