Johnston
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Colorado |
| County | Jefferson |
| Nearest City | LITTLETON |
| River/Stream | LILLEY GULCH |
| Coordinates | 39.60307, -105.08411 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 11 ft |
| Dam Length | 1,530 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 1,134 acre-ft |
| Max Storage | 1,134 acre-ft |
| Normal Storage | 547 acre-ft |
| Surface Area | 82 acres |
| Max Discharge | 3,650 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | FOOTHILLS PARK & RECREATION DISTRICT (INSLEY, COLI |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/23/2022 |
| Emergency Action Plan | Yes |