Pony Creek Watershed Site 7

Pony Creek Watershed Site 7 is an earth dam located in Mills County, Iowa, built in 1965. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection10/29/2007
Height30 ft
Built196561 years ago

Dam profile

NID height · 30 ft
30 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

30 ft tall and 628 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 Pony Creek Watershed Site 7

The primary purpose of Pony Creek Watershed Site 7 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 Mills County Swcd (local government). It impounds the Tr-pony Creek near Pacific Junction.

The dam stands 30 feet tall and stretches 628 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 55 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. The most recent inspection on record was 10/29/2007. That was over 18 years ago.

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Location

StateIowa
CountyMills
Nearest CityPacific Junction
River/StreamTr-pony Creek
Coordinates41.10560, -95.77530

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length628 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage55 acre-ft
Max Storage55 acre-ft
Normal Storage29 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerMills County Swcd
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection10/29/2007
Emergency Action PlanNot Required

Identifiers

NID IDIA00681
Federal IDIA00681
More InfoState Dam Safety Program