Decker
Decker is an earth dam located in Weld County, Colorado, built in 1892. It carries a Low hazard potential classification and has a fair condition assessment.
About Decker
The primary purpose of Decker is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Junior Diehl (blaney, Doug) (private). It impounds the Spring Creek-os near Pierce.
The dam stands 14 feet tall and stretches 962 feet across, creates a reservoir covering 31 acres, and has a maximum storage capacity of 680 acre-feet. Completed in 1892, the structure is over a century 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 05/01/2009. That was over 16 years ago.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Pierce |
| River/Stream | Spring Creek-os |
| Coordinates | 40.86063, -104.88469 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 962 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 680 acre-ft |
| Max Storage | 680 acre-ft |
| Normal Storage | 367 acre-ft |
| Surface Area | 31 acres |
| Max Discharge | 9,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JUNIOR DIEHL (BLANEY, DOUG) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/01/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02300 |
| Federal ID | CO02300 |
| More Info | State Dam Safety Program |