Lake Isabelle
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Colorado |
| County | Boulder |
| Nearest City | LONGMONT |
| River/Stream | S F ST VRAIN CREEK |
| Coordinates | 40.07001, -105.61556 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 738 acre-ft |
| Max Storage | 738 acre-ft |
| Normal Storage | 594 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,262 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEFT HAND DITCH COMPANY (TERRY PLUMMER) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/24/1990 |
| Emergency Action Plan | Not Required |