Knop Lake Dam is an earth dam located in Carroll County, Indiana, built in 1945. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 385 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 Knop Lake Dam
The primary purpose of Knop Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Indiana Department of Natural Resources (state). It impounds the Unnamed Tributary Wildcat Creek near Pyrmont.
The dam stands 30 feet tall and stretches 385 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 173 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, the structure is well-established, with more than 75 years of service.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/19/2016. That was over 10 years ago.
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Location
| State | Indiana |
| County | Carroll |
| Nearest City | Pyrmont |
| River/Stream | Unnamed Tributary Wildcat Creek |
| Coordinates | 40.45864, -86.66306 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 385 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 173 acre-ft |
| Max Storage | 173 acre-ft |
| Normal Storage | 113 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Indiana Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/19/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00280 |
| Federal ID | IN00280 |
| More Info | State Dam Safety Program |