Highland #1
Highland #1 is an earth dam located in Weld County, Colorado, built in 1879. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Highland #1
The primary purpose of Highland #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Highland Ditch Company (wade Gonzales) (private). It impounds the St. Vrain Creek near Platteville.
The dam stands 17 feet tall and stretches 2,350 feet across, creates a reservoir covering 105 acres, and has a maximum storage capacity of 1,382 acre-feet. Completed in 1879, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/16/2022.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Platteville |
| River/Stream | St. Vrain Creek |
| Coordinates | 40.21664, -104.98896 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 2,350 ft |
| Year Completed | 1879 (147 years old) |
Storage & Hydraulics
| NID Storage | 1,382 acre-ft |
| Max Storage | 1,382 acre-ft |
| Normal Storage | 1,001 acre-ft |
| Surface Area | 105 acres |
| Max Discharge | 500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HIGHLAND DITCH COMPANY (WADE GONZALES) |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/16/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01210 |
| Federal ID | CO01210 |
| More Info | State Dam Safety Program |