Berryman is an earth dam located in Davis County, Iowa. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 500 ft long, taller than 68% 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 Berryman
The primary purpose of Berryman is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Doug & Kent Berryman (private). It impounds the Tr-fox River near Mt. Sterling.
The dam stands 30 feet tall and stretches 500 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 106 acre-feet, and collects water from a drainage area of 0 square miles.
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.
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Location
| State | Iowa |
| County | Davis |
| Nearest City | Mt. Sterling |
| River/Stream | Tr-fox River |
| Coordinates | 40.72190, -92.36080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 500 ft |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Doug & Kent Berryman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04228 |
| Federal ID | IA04228 |
| More Info | State Dam Safety Program |