Signal #1
Signal #1 is an earth dam located in Adams County, Colorado, built in 1890. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Signal #1
The primary purpose of Signal #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Todd Creek Village Metro District (local government). It impounds the Big Dry Creek-tr near Fort Lupton.
The dam stands 22 feet tall and stretches 1,976 feet across, creates a reservoir covering 24 acres, and has a maximum storage capacity of 345 acre-feet. Completed in 1890, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 04/22/2020.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Fort Lupton |
| River/Stream | Big Dry Creek-tr |
| Coordinates | 39.99926, -104.89718 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,976 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 345 acre-ft |
| Max Storage | 345 acre-ft |
| Normal Storage | 260 acre-ft |
| Surface Area | 24 acres |
| Max Discharge | 110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | TODD CREEK VILLAGE METRO DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 04/22/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO02148 |
| Federal ID | CO02148 |
| More Info | State Dam Safety Program |