Aowa Creek 12-3 Reservoir Report

Last Updated: December 13, 2025

Aowa Creek 12-3 is a local government-owned earth dam located in Dixon, Nebraska, designed by the USDA NRCS and regulated by the NE DNR.


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Summary

Completed in 1985, this dam serves multiple purposes, including flood risk reduction, on the TR-SILVER CREEK river or stream. With a height of 28 feet and a length of 523 feet, it provides a storage capacity of 70 acre-feet, with a normal storage level of 20 acre-feet.

Despite its low hazard potential and satisfactory condition assessment, Aowa Creek 12-3 is subject to regular inspections every 5 years to ensure its structural integrity and functionality. The dam's design consists of stone core and soil foundation, with a hydraulic height of 26 feet and a structural height of 43 feet. The surrounding area covers 4 acres, with a drainage area of 0.8 square miles and a maximum discharge capacity of 100 cubic feet per second.

Water resource and climate enthusiasts will appreciate Aowa Creek 12-3 for its contribution to flood risk reduction and water management in the region. With its strategic location and design specifications, this dam plays a crucial role in protecting the local community and ecosystem from potential water-related hazards. Its presence highlights the importance of sustainable infrastructure for maintaining water resources in a changing climate.

Year Completed

1985

Dam Length

523

Dam Height

28

River Or Stream

TR-SILVER CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

26

Drainage Area

0.8

Nid Storage

70

Structural Height

43

Hazard Potential

Low

Foundations

Soil

Nid Height

43
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.