Gehring Dam is an earth dam located in Linn County, Iowa, built in 2007. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 520 ft long, taller than 62% 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 Gehring Dam
The primary purpose of Gehring Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dr David Gehring (private). It impounds the Tr- Otter Creek near Cedar Rapids.
The dam stands 28 feet tall and stretches 520 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 259 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/21/2021.
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Location
| State | Iowa |
| County | Linn |
| Nearest City | Cedar Rapids |
| River/Stream | Tr- Otter Creek |
| Coordinates | 42.08250, -91.72360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 520 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 259 acre-ft |
| Max Storage | 259 acre-ft |
| Normal Storage | 144 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dr David Gehring |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/21/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03542 |
| Federal ID | IA03542 |
| More Info | State Dam Safety Program |