Teller No. 2 is an earth dam located in Boulder County, Colorado, built in 1904. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 1,060 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 Teller No. 2
The primary purpose of Teller No. 2 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 Boulder/open Space (brautigam, Jane) (local government). It impounds the Dry Creek-os near Evans.
The dam stands 12 feet tall and stretches 1,060 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 180 acre-feet. Completed in 1904, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/25/2014. That was over 12 years ago.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Evans |
| River/Stream | Dry Creek-os |
| Coordinates | 40.02194, -105.15168 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,060 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 21 acres |
| Max Discharge | 2,350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | City of Boulder/open Space (brautigam, Jane) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/25/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02776 |
| Federal ID | CO02776 |
| More Info | State Dam Safety Program |