Geist
Geist is an earth dam located in Larimer County, Colorado, built in 1925. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Geist
The primary purpose of Geist is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Grayhawk Knolls Home Owners Association (benson, R (private). It impounds the Dry Creek-tr near Fort Collins.
The dam stands 12 feet tall and stretches 495 feet across, creates a reservoir covering 23 acres, and has a maximum storage capacity of 115 acre-feet. Completed in 1925, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/06/2019.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | Dry Creek-tr |
| Coordinates | 40.72062, -105.08210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 495 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 23 acres |
| Max Discharge | 132 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GRAYHAWK KNOLLS HOME OWNERS ASSOCIATION (BENSON, R |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/06/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02255 |
| Federal ID | CO02255 |
| More Info | State Dam Safety Program |