Mason City-lehigh Cement Milldam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Cerro Gordo |
| Nearest City | MASON CITY |
| River/Stream | CALMUS CREEK |
| Coordinates | 43.17780, -93.21550 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 71 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 26 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | LeHigh Portland Cement Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/28/1989 |
| Emergency Action Plan | Not Required |