Briscoe Lake is an earth dam located in Weld County, Colorado, built in 1904. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 2,397 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Briscoe Lake
The primary purpose of Briscoe Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Briscoe Lake Reservoir Ass'n (phil Pfannebecker) (private). It impounds the So Platte River-os near Hardin.
The dam stands 12 feet tall and stretches 2,397 feet across, creates a reservoir covering 44 acres, and has a maximum storage capacity of 300 acre-feet. Completed in 1904, 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 02/08/2016. That was over 10 years ago.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Hardin |
| River/Stream | So Platte River-os |
| Coordinates | 40.43668, -104.53723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 2,397 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 44 acres |
| Max Discharge | 1,440 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Briscoe Lake Reservoir Ass'n (phil Pfannebecker) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/08/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02265 |
| Federal ID | CO02265 |
| More Info | State Dam Safety Program |