C.a. Sherwin #1 is an earth dam located in Logan County, Colorado, built in 1915. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 800 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 C.a. Sherwin #1
The primary purpose of C.a. Sherwin #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Joe F. Cucarola (private). It impounds the Cedar Creek near Iliff.
The dam stands 12 feet tall and stretches 800 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 65 acre-feet. Completed in 1915, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized.
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Location
| State | Colorado |
| County | Logan |
| Nearest City | Iliff |
| River/Stream | Cedar Creek |
| Coordinates | 40.74000, -103.19390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 800 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 5,466 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Joe F. Cucarola |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01831 |
| Federal ID | CO01831 |
| More Info | State Dam Safety Program |