Wykert #4
Wykert #4 is an earth dam located in Weld County, Colorado, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Wykert #4
The primary purpose of Wykert #4 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 Thorton-farm Operations (brian Foss) (local government). It impounds the Coal Bank Draw near Greeley.
The dam stands 12 feet tall and stretches 300 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 89 acre-feet, and collects water from a drainage area of 32 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 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 11/09/1999. That was over 26 years ago.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Greeley |
| River/Stream | Coal Bank Draw |
| Coordinates | 40.56334, -104.79723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 300 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF THORTON-FARM OPERATIONS (BRIAN FOSS) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/09/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02029 |
| Federal ID | CO02029 |
| More Info | State Dam Safety Program |