Harry Denning Irrigation #3
Harry Denning Irrigation #3 is an earth dam located in Weld County, Colorado, built in 1962. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Harry Denning Irrigation #3
The primary purpose of Harry Denning Irrigation #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Chris Baily, (private). It impounds the Lost Creek-tr near Keenesburg.
The dam stands 27 feet tall and stretches 1,680 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1962, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/12/2021.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Keenesburg |
| River/Stream | Lost Creek-tr |
| Coordinates | 40.03919, -104.51147 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 14 ft |
| Dam Length | 1,680 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 310 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CHRIS BAILY, |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/12/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00013 |
| Federal ID | CO00013 |
| More Info | State Dam Safety Program |