Oakridge Lake Estates Dam is an earth dam located in Johnson County, Iowa, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 620 ft long, taller than 88% 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 Oakridge Lake Estates Dam
The primary purpose of Oakridge Lake Estates Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Continental Developers (private). It impounds the Tr-mcallister Creek near Coralville Reservoir.
The dam stands 42 feet tall and stretches 620 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 326 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Iowa |
| County | Johnson |
| Nearest City | Coralville Reservoir |
| River/Stream | Tr-mcallister Creek |
| Coordinates | 41.82910, -91.66150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 620 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Normal Storage | 233 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Continental Developers |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01595 |
| Federal ID | IA01595 |
| More Info | State Dam Safety Program |