Tepper No. 1 is an earth dam located in Jefferson County, Colorado, built in 1912. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 960 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 Tepper No. 1
The primary purpose of Tepper No. 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Westminster (krugmire, Robert) (local government). It impounds the Little Dry Creek-os near Westminster.
The dam stands 22 feet tall and stretches 960 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 65 acre-feet. Completed in 1912, 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 07/09/1992. That was over 34 years ago.
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Location
| State | Colorado |
| County | Jefferson |
| Nearest City | Westminster |
| River/Stream | Little Dry Creek-os |
| Coordinates | 39.82918, -105.06307 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 14 ft |
| Dam Length | 960 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 2 acres |
| Max Discharge | 1,236 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Westminster (krugmire, Robert) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/09/1992 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00209 |
| Federal ID | CO00209 |
| More Info | State Dam Safety Program |