George Rist is an earth dam located in Larimer County, Colorado, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 17 ft17 ft tall and 1,000 ft long. 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 George Rist
The primary purpose of George Rist is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City of Loveland Parks & Recreation Dept. (jordon (local government). It impounds the Big Thompson River-tr near Loveland.
The dam stands 17 feet tall and stretches 1,000 feet across, creates a reservoir covering 44 acres, and has a maximum storage capacity of 561 acre-feet. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/02/2021.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Loveland |
| River/Stream | Big Thompson River-tr |
| Coordinates | 40.39319, -105.14337 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 561 acre-ft |
| Max Storage | 561 acre-ft |
| Normal Storage | 337 acre-ft |
| Surface Area | 44 acres |
| Max Discharge | 31 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | City of Loveland Parks & Recreation Dept. (jordon |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/02/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01192 |
| Federal ID | CO01192 |
| More Info | State Dam Safety Program |