Goose Lake
Goose Lake is a timber crib dam located in Boulder County, Colorado, built in 1908. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Goose Lake
The primary purpose of Goose Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Boulder (clark, Kevin) (local government). It impounds the North Boulder Creek-tr near Boulder.
The dam stands 32 feet tall and stretches 425 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 1,170 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1908, the structure is over a century 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 07/16/2021.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Boulder |
| River/Stream | North Boulder Creek-tr |
| Coordinates | 40.02890, -105.60501 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 425 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 1,170 acre-ft |
| Max Storage | 1,170 acre-ft |
| Normal Storage | 940 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF BOULDER (CLARK, KEVIN) |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/16/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00224 |
| Federal ID | CO00224 |
| More Info | State Dam Safety Program |