Little Gem
Little Gem is an earth dam located in Weld County, Colorado, built in 1902. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Little Gem
The primary purpose of Little Gem is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kroes, Mark (private). It impounds the St Vrain Creek-tr near Gilcrest.
The dam stands 30 feet tall and stretches 1,350 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 175 acre-feet. Completed in 1902, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/28/2021.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Gilcrest |
| River/Stream | St Vrain Creek-tr |
| Coordinates | 40.26689, -104.94799 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 27 ft |
| Dam Length | 1,350 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 175 acre-ft |
| Max Storage | 175 acre-ft |
| Normal Storage | 134 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 967 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | KROES, MARK |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00859 |
| Federal ID | CO00859 |
| More Info | State Dam Safety Program |