Seven Reverse Y #1
Seven Reverse Y #1 is an earth dam located in Weld County, Colorado, built in 1965. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Seven Reverse Y #1
The primary purpose of Seven Reverse Y #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by James Konig (same) (private). It impounds the Willow Creek near Briggsdale.
The dam stands 29 feet tall and stretches 630 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 273 acre-feet, and collects water from a drainage area of 59 square miles. Completed in 1965, 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 05/07/2009. That was over 16 years ago.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Briggsdale |
| River/Stream | Willow Creek |
| Coordinates | 40.75599, -104.39488 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 20 ft |
| Dam Length | 630 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 273 acre-ft |
| Max Storage | 273 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 59 sq mi |
| Max Discharge | 10,690 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JAMES KONIG (SAME) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/07/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00063 |
| Federal ID | CO00063 |
| More Info | State Dam Safety Program |