Diamond is an earth dam located in Weld County, Colorado, built in 1940. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 650 ft long, taller than 55% of U.S. dams with a recorded height. 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 Diamond
The primary purpose of Diamond is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Aristocrat Angus (houston, Skylar) (private). It impounds the St. Vrain Creek-tr near La Salle.
The dam stands 26 feet tall and stretches 650 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 232 acre-feet, and collects water from a drainage area of 18 square miles. 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 06/17/2020.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Weld |
| Nearest City | La Salle |
| River/Stream | St. Vrain Creek-tr |
| Coordinates | 40.22895, -104.90870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 650 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 232 acre-ft |
| Max Storage | 232 acre-ft |
| Normal Storage | 133 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 207 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Aristocrat Angus (houston, Skylar) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/17/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02249 |
| Federal ID | CO02249 |
| More Info | State Dam Safety Program |