Skyscraper
Skyscraper is a masonry dam located in Boulder County, Colorado, built in 1940. It carries a Low hazard potential classification and has a fair condition assessment.
About Skyscraper
The primary purpose of Skyscraper is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Boulder (clark, Kevin) (local government). It impounds the Jasper Creek-tr near Eldora.
The dam stands 24 feet tall and stretches 125 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 185 acre-feet. Completed in 1940, 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 08/31/2020.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Eldora |
| River/Stream | Jasper Creek-tr |
| Coordinates | 39.95554, -105.67066 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 24 ft |
| Dam Height | 22 ft |
| Dam Length | 125 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 146 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 550 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF BOULDER (CLARK, KEVIN) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/31/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00251 |
| Federal ID | CO00251 |
| More Info | State Dam Safety Program |