Zimmerman Lake
Zimmerman Lake is an earth dam located in Larimer County, Colorado, built in 1913. It carries a Low hazard potential classification.
About Zimmerman Lake
The primary purpose of Zimmerman Lake is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Colorado Parks And Wildlife (state). It impounds the Joe Wright Cr-tr near Fort Collins.
The dam stands 10 feet tall and stretches 600 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 238 acre-feet. Completed in 1913, 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. The most recent inspection on record was 07/11/2013. That was over 12 years ago.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | Joe Wright Cr-tr |
| Coordinates | 40.54167, -105.87057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 600 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 238 acre-ft |
| Max Storage | 238 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 20 acres |
| Max Discharge | 265 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | COLORADO PARKS AND WILDLIFE |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/11/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01991 |
| Federal ID | CO01991 |
| More Info | State Dam Safety Program |