Steele Brothers #2 is an earth dam located in Boulder County, Colorado, built in 1900. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 490 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 Steele Brothers #2
The primary purpose of Steele Brothers #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Boulder County Parks and Open Space (alexander, Ro (local government). It impounds the Dry Creek near Longmont.
The dam stands 13 feet tall and stretches 490 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1900, 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 10/15/2020.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Longmont |
| River/Stream | Dry Creek |
| Coordinates | 40.13745, -105.21258 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 490 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Boulder County Parks and Open Space (alexander, Ro |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/15/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01215 |
| Federal ID | CO01215 |
| More Info | State Dam Safety Program |