Westminster Lake is an earth dam located in Adams County, Colorado, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 3,290 ft long, taller than 78% 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 Westminster Lake
The primary purpose of Westminster 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 Westminster (krugmire, Robert) (local government). It impounds the Clear Creek-os near Westminster.
The dam stands 34 feet tall and stretches 3,290 feet across, creates a reservoir covering 58 acres, and has a maximum storage capacity of 1,196 acre-feet. Completed in 1995, the structure is 31 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 06/15/2022.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Westminster |
| River/Stream | Clear Creek-os |
| Coordinates | 39.80498, -105.03538 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 31 ft |
| Dam Length | 3,290 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 1,196 acre-ft |
| Max Storage | 1,196 acre-ft |
| Normal Storage | 955 acre-ft |
| Surface Area | 58 acres |
| Max Discharge | 1,250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Westminster (krugmire, Robert) |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO02784 |
| Federal ID | CO02784 |
| More Info | State Dam Safety Program |