Twelve Mile Creek Watershed Site M-1

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateIowa
CountyUnion
Nearest CityAFTON
River/StreamTWELVE MILE CREEK
Coordinates41.05300, -94.25690

Physical Characteristics

Dam TypeEarth
NID Height66 ft
Dam Height66 ft
Dam Length2,100 ft
Year Completed1983 (43 years old)

Storage & Hydraulics

NID Storage27,200 acre-ft
Max Storage27,200 acre-ft
Normal Storage10,200 acre-ft
Surface Area633 acres
Drainage Area23 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCreston Waterworks
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/15/2023
Emergency Action PlanYes

Identifiers

NID IDIA02194
Federal IDIA02194
More InfoState Dam Safety Program

Nearby Dams

Twelve Mile Creek Watershed Site D-62-1 0.5 mi Significant Beattie Dam 1.5 mi Low Twelve Mile Creek Watershed Site 58 1.6 mi Low Twelvemile Watershed Site D-60 1.6 mi Low Beattle Dam 1.6 mi Low Brown Dam 1.6 mi Low Twelve Mile Creek Watershed Site 62-5 1.8 mi Low Twelve Mile Creek Watershed Site 62-4 1.8 mi Low Twelve Mile Creek Watershed Site 67 2.4 mi Low Double Time Farms Dam 2.4 mi Low