Pilot Rock Subwtrshd Sta 30+40 #1-c is an earth dam located in Cherokee County, Iowa, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 259 ft long, taller than 84% 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 Pilot Rock Subwtrshd Sta 30+40 #1-c
The primary purpose of Pilot Rock Subwtrshd Sta 30+40 #1-c 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 Cherokee County Swcd (local government). It impounds the Tr-little Sioux River near Quimby.
The dam stands 38 feet tall and stretches 259 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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. The most recent inspection on record was 12/12/1960. That was over 65 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Iowa |
| County | Cherokee |
| Nearest City | Quimby |
| River/Stream | Tr-little Sioux River |
| Coordinates | 42.69100, -95.54290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 259 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Cherokee County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/12/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00198 |
| Federal ID | IA00198 |
| More Info | State Dam Safety Program |