Loukonen Brothers is an earth dam located in Boulder County, Colorado, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall and 607 ft long, taller than 90% 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 Loukonen Brothers
The primary purpose of Loukonen Brothers is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lvgc, LLC (mitch Galnick) (private). It impounds the Dry Creek-tr near Boulder.
The dam stands 45 feet tall and stretches 607 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1961, the structure is well into its service life at over 50 years 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 05/19/2018.
At 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Boulder |
| River/Stream | Dry Creek-tr |
| Coordinates | 40.08980, -105.25844 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 35 ft |
| Dam Length | 607 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,395 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lvgc, LLC (mitch Galnick) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/19/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00180 |
| Federal ID | CO00180 |
| More Info | State Dam Safety Program |