Pilot Rock Subwtrshd Sta 45+48 #2

Pilot Rock Subwtrshd Sta 45+48 #2 is an earth dam located in Cherokee County, Iowa, built in 1963. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection08/04/1978
Height33 ft
Built196363 years ago

Dam profile

NID height · 33 ft
33 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

33 ft tall and 470 ft long, taller than 76% 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 45+48 #2

The primary purpose of Pilot Rock Subwtrshd Sta 45+48 #2 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 33 feet tall and stretches 470 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 91 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 08/04/1978. That was over 48 years ago.

At 33 feet, this dam is taller than 76% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyCherokee
Nearest CityQuimby
River/StreamTr-little Sioux River
Coordinates42.67870, -95.53980

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length470 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage91 acre-ft
Max Storage91 acre-ft
Normal Storage34 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerCherokee County Swcd
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection08/04/1978
Emergency Action PlanNot Required

Identifiers

NID IDIA00191
Federal IDIA00191
More InfoState Dam Safety Program