Grimm Dam
Grimm Dam is an earth dam located in Louisa County, Iowa, built in 1987. It carries a Low hazard potential classification.
About Grimm Dam
The primary purpose of Grimm Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Mark Grimm (private). It impounds the Tr- Iowa River near Wapello.
The dam stands 38 feet tall and stretches 260 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1987, the structure is 39 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 38 feet, this dam is taller than 85% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Louisa |
| Nearest City | Wapello |
| River/Stream | Tr- Iowa River |
| Coordinates | 41.24250, -91.31600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 260 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mark Grimm |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02439 |
| Federal ID | IA02439 |
| More Info | State Dam Safety Program |