Mill Picayune Watershed Site M-24-7

Mill Picayune Watershed Site M-24-7 is an earth dam located in Shelby County, Iowa, built in 1972. It carries a Low hazard potential classification.

About Mill Picayune Watershed Site M-24-7

The primary purpose of Mill Picayune Watershed Site M-24-7 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 Shelby County Swcd (local government). It impounds the Tr-mill Creek near Manteno.

The dam stands 35 feet tall and stretches 725 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 382 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1972, 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 11/12/1986. That was over 39 years ago.

At 35 feet, this dam is taller than 82% of dams nationwide.

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

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyShelby
Nearest CityManteno
River/StreamTr-mill Creek
Coordinates41.85770, -95.45000

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length725 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage382 acre-ft
Max Storage382 acre-ft
Normal Storage111 acre-ft
Surface Area13 acres
Drainage Area2 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerShelby County SWCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/12/1986
Emergency Action PlanNot Required

Identifiers

NID IDIA00986
Federal IDIA00986
More InfoState Dam Safety Program

Nearby Dams