Grass Valley
High HazardUnsatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Colorado |
| County | Garfield |
| Nearest City | SILT |
| River/Stream | HARVEY GAP |
| Coordinates | 39.60667, -107.66057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 61 ft |
| Dam Height | 61 ft |
| Dam Length | 800 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 6,111 acre-ft |
| Max Storage | 6,111 acre-ft |
| Normal Storage | 5,060 acre-ft |
| Surface Area | 320 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 542 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SILT WATER CONSERVANCY DISTRICT |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 04/06/2022 |
| Emergency Action Plan | Yes |