Angel Lake is an earth dam located in Weld County, Colorado, built in 1899. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 2,000 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Angel Lake
The primary purpose of Angel Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Woods Lake Mutual Water & Irrig. Co. (booth, Gary) (private). It impounds the Cache La Poudre-tr near Greeley.
The dam stands 16 feet tall and stretches 2,000 feet across, creates a reservoir covering 50 acres, and has a maximum storage capacity of 721 acre-feet. Completed in 1899, 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 09/23/2021.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Greeley |
| River/Stream | Cache La Poudre-tr |
| Coordinates | 40.52354, -104.81778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1899 (127 years old) |
Storage & Hydraulics
| NID Storage | 721 acre-ft |
| Max Storage | 721 acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 50 acres |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Woods Lake Mutual Water & Irrig. Co. (booth, Gary) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/23/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01154 |
| Federal ID | CO01154 |
| More Info | State Dam Safety Program |