Mc Knight Dam is an earth dam located in Clarke County, Iowa, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 560 ft long. 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 Mc Knight Dam
The primary purpose of Mc Knight Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Dale Mcknight (private). It impounds the Tr-otter Creek near Red Rock Reservoir.
The dam stands 18 feet tall and stretches 560 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 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.
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Location
| State | Iowa |
| County | Clarke |
| Nearest City | Red Rock Reservoir |
| River/Stream | Tr-otter Creek |
| Coordinates | 41.13320, -93.65000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 560 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Dale Mcknight |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00212 |
| Federal ID | IA00212 |
| More Info | State Dam Safety Program |