Shimek Forest Dam 4 is an earth dam located in Lee County, Iowa, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 340 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Shimek Forest Dam 4
The primary purpose of Shimek Forest Dam 4 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Iowa Department of Natural Resources (state). It impounds the Tr-des Moines River near Farmington.
The dam stands 33 feet tall and stretches 340 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Lee |
| Nearest City | Farmington |
| River/Stream | Tr-des Moines River |
| Coordinates | 40.63120, -91.70670 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 340 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02028 |
| Federal ID | IA02028 |
| More Info | State Dam Safety Program |