Alexander is an earth dam located in Montrose County, Colorado, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 330 ft long, taller than 76% 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 Alexander
The primary purpose of Alexander is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gray, Todd (private). It impounds the Spring Creek-tr near Olathe.
The dam stands 33 feet tall and stretches 330 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 36 acre-feet. Completed in 1968, 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 04/19/2017.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Colorado |
| County | Montrose |
| Nearest City | Olathe |
| River/Stream | Spring Creek-tr |
| Coordinates | 38.45692, -107.95186 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 28 ft |
| Dam Length | 330 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 59 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Gray, Todd |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/19/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00563 |
| Federal ID | CO00563 |
| More Info | State Dam Safety Program |