Hecla
Hecla is an earth dam located in Boulder County, Colorado, built in 1915. It carries a Low hazard potential classification and has a fair condition assessment.
About Hecla
The primary purpose of Hecla is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Louisville (kowar, Kurt) (local government). It impounds the Coal Creek-tr near Louisville.
The dam stands 12 feet tall and stretches 1,100 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 68 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 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 09/21/2013. That was over 12 years ago.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Louisville |
| River/Stream | Coal Creek-tr |
| Coordinates | 39.99028, -105.12140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF LOUISVILLE (KOWAR, KURT) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/21/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO03049 |
| Federal ID | CO03049 |
| More Info | State Dam Safety Program |