Johnston
Colorado — Jefferson County — LILLEY GULCH
Location
| State | Colorado |
| County | Jefferson |
| River | LILLEY GULCH |
| Coordinates | 39.60307, -105.08411 |
Physical Characteristics
| NID Height | 17 ft |
| Dam Height | 11 ft |
| Dam Length | 1,530 ft |
| NID Storage | 1,134 acre-ft |
| Max Storage | 1,134 acre-ft |
| Surface Area | 82 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | March 23, 2022 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1974 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | FOOTHILLS PARK & RECREATION DISTRICT (INSLEY, COLI |
| Other Name | Johnston, Johnson |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.