Wahlert Dam is an earth dam located in Audubon County, Iowa, built in 2023. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 500 ft long, taller than 72% 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 Wahlert Dam
The primary purpose of Wahlert Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Tim Wahlert (private). It impounds the Unnamed Tributary to Blue Grass Creek near Audubon.
The dam stands 31 feet tall and stretches 500 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2023, 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 | Audubon |
| Nearest City | Audubon |
| River/Stream | Unnamed Tributary to Blue Grass Creek |
| Coordinates | 41.71350, -94.93760 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 500 ft |
| Year Completed | 2023 (3 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Tim Wahlert |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04342 |
| Federal ID | IA04342 |
| More Info | State Dam Safety Program |