Held Watershed Site E-4

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateIowa
CountyPlymouth
Nearest CityHINTON
River/StreamTR-FLOYD RIVER
Coordinates42.64380, -96.29940

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height37 ft
Dam Length493 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage224 acre-ft
Max Storage224 acre-ft
Normal Storage65 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerPlymouth County SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection10/10/2024
Emergency Action PlanYes

Identifiers

NID IDIA01856
Federal IDIA01856
More InfoState Dam Safety Program

Nearby Dams

Held Watershed Site E-3 0.5 mi High Held Watershed Site D-1 1.0 mi Low Held Watershed Site D-7 1.0 mi Low Held Watershed Site D-4 1.4 mi Low Held Watershed Site B-1 2.0 mi Low Held Watershed Site B-5 2.4 mi Low Held Watershed Site B-3 2.4 mi Low Held Watershed Site B-6 2.6 mi Low Held Watershed Site B-2 2.6 mi Low Held Watershed Site A-2 3.3 mi Low