Harper And Sons
Harper And Sons is an earth dam located in Routt County, Colorado, built in 1947. It carries a Low hazard potential classification and has a fair condition assessment.
About Harper And Sons
The primary purpose of Harper And Sons is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fisher, Alfred J. (private). It impounds the Egeria Creek near Toponas.
The dam stands 34 feet tall and stretches 536 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 330 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 06/26/2020.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Colorado |
| County | Routt |
| Nearest City | Toponas |
| River/Stream | Egeria Creek |
| Coordinates | 40.02167, -106.99890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 29 ft |
| Dam Length | 536 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 809 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FISHER, ALFRED J. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/26/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00924 |
| Federal ID | CO00924 |
| More Info | State Dam Safety Program |