Iowa Creek Dam

Iowa Creek Dam is an earth dam located in Lander County, Nevada. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.

About Iowa Creek Dam

The primary purpose of Iowa Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Silver Creek Ranch Inc (private). It impounds the Iowa Creek.

The dam stands 41 feet tall and stretches 1,025 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 437 acre-feet, and collects water from a drainage area of 24 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 08/10/2023.

At 41 feet, this dam is taller than 88% of dams nationwide.

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Significant HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StateNevada
CountyLander
Nearest CityNone
River/StreamIowa Creek
Coordinates39.82401, -117.03029

Physical Characteristics

Dam TypeEarth
NID Height41 ft
Dam Height39 ft
Dam Length1,025 ft

Storage & Hydraulics

NID Storage437 acre-ft
Max Storage437 acre-ft
Normal Storage100 acre-ft
Surface Area29 acres
Drainage Area24 sq mi
Max Discharge450 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerSILVER CREEK RANCH INC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentUnsatisfactory
Last Inspection08/10/2023
Emergency Action PlanYes

Identifiers

NID IDNV00057
Federal IDNV00057
More InfoState Dam Safety Program

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