Shell Rock Milldam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Butler |
| Nearest City | SHELL ROCK |
| River/Stream | SHELLROCK RIVER |
| Coordinates | 42.71190, -92.58210 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 221 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 229 acre-ft |
| Max Storage | 229 acre-ft |
| Normal Storage | 152 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 1,752 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Shell Rock River Imp Comp |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/22/1989 |
| Emergency Action Plan | Not Required |