Petersen Dam (merle Petersen) is an earth dam located in Guthrie County, Iowa, built in 2009. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 641 ft long, taller than 65% 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 Petersen Dam (merle Petersen)
The primary purpose of Petersen Dam (merle Petersen) is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Merle Petersen (private). It impounds the Trib to Brushy Creek near Redfield.
The dam stands 29 feet tall and stretches 641 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2009, the structure is relatively new.
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 | Guthrie |
| Nearest City | Redfield |
| River/Stream | Trib to Brushy Creek |
| Coordinates | 41.69210, -94.45790 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 641 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Merle Petersen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03940 |
| Federal ID | IA03940 |
| More Info | State Dam Safety Program |