Crystal
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Colorado |
| County | Boulder |
| Nearest City | LONGMONT |
| River/Stream | ST. VRAIN CREEK-OS |
| Coordinates | 40.24184, -105.13713 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 1,140 ft |
| Year Completed | 1881 (145 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 35 acres |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | HARVEY YOAKUM, |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/22/2017 |
| Emergency Action Plan | Not Required |