Pickle Jar Reservoir is a gravity dam located in Gilpin County, Colorado, built in 2001. It carries a Low hazard potential classification.
Dam profile
NID height · 54 ft54 ft tall and 186 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Pickle Jar Reservoir
The primary purpose of Pickle Jar Reservoir 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 Paradise Valley Estates (hanlon, Joe) (private). It impounds the Pickle Gulch near Black Hawk.
The dam stands 54 feet tall and stretches 186 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 31 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2001, the structure is relatively new.
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. The most recent inspection on record was 07/11/2022.
At 54 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Colorado |
| County | Gilpin |
| Nearest City | Black Hawk |
| River/Stream | Pickle Gulch |
| Coordinates | 39.82834, -105.52584 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 54 ft |
| Dam Height | 43 ft |
| Dam Length | 186 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 31 acre-ft |
| Max Storage | 31 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,245 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Paradise Valley Estates (hanlon, Joe) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02855 |
| Federal ID | CO02855 |
| More Info | State Dam Safety Program |