Calahan
Calahan is an earth dam located in El Paso County, Colorado, built in 1963. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Calahan
The primary purpose of Calahan is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Woodmoor Water And Sanitation District No.1 (jessi (private). It impounds the Fountain River-tr near Pueblo.
The dam stands 25 feet tall and stretches 1,880 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 679 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, the structure is well into its service life at over 50 years 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 09/19/2018.
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Location
| State | Colorado |
| County | El Paso |
| Nearest City | Pueblo |
| River/Stream | Fountain River-tr |
| Coordinates | 38.63501, -104.65223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,880 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 679 acre-ft |
| Max Storage | 679 acre-ft |
| Normal Storage | 374 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,708 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WOODMOOR WATER AND SANITATION DISTRICT NO.1 (JESSI |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 09/19/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00405 |
| Federal ID | CO00405 |
| More Info | State Dam Safety Program |