Wadley #1
Wadley #1 is an earth dam located in Adams County, Colorado, built in 1895. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wadley #1
The primary purpose of Wadley #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wadley Farms Filing 3 (jansen David, Homestead Man (private). It impounds the Big Dry Creek-os near Fort Lupton.
The dam stands 14 feet tall and stretches 1,600 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 74 acre-feet. Completed in 1895, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/29/2021.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Fort Lupton |
| River/Stream | Big Dry Creek-os |
| Coordinates | 39.96007, -104.94240 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 264 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WADLEY FARMS FILING 3 (JANSEN DAVID, HOMESTEAD MAN |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/29/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO02151 |
| Federal ID | CO02151 |
| More Info | State Dam Safety Program |