Gray is an earth dam located in Delta County, Colorado, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 890 ft long, taller than 87% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Gray
The primary purpose of Gray is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leroux Creek Water Users Association (private). It impounds the Leroux Creek-tr near Lazear.
The dam stands 41 feet tall and stretches 890 feet across, creates a reservoir covering 30 acres, and has a maximum storage capacity of 516 acre-feet. Completed in 1957, 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 08/17/2016. That was over 10 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Colorado |
| County | Delta |
| Nearest City | Lazear |
| River/Stream | Leroux Creek-tr |
| Coordinates | 38.99365, -107.70492 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 38 ft |
| Dam Length | 890 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 516 acre-ft |
| Max Storage | 516 acre-ft |
| Normal Storage | 366 acre-ft |
| Surface Area | 30 acres |
| Max Discharge | 660 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Leroux Creek Water Users Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/17/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00721 |
| Federal ID | CO00721 |
| More Info | State Dam Safety Program |