Stewart Dam Reservoir Report
Nearby: Marshalek Road Dam Larson Dam 1289
Last Updated: December 6, 2025
Stewart Dam, located in Lancaster, Nebraska, along the TR-ROCK CREEK river, stands as a crucial structure for flood risk reduction and other purposes.
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Summary
Built in 2002 by the local government, this earth dam reaches a height of 27 feet, with a hydraulic height of 26 feet and a structural height of 32 feet. With a storage capacity of 382 acre-feet and a normal storage of 67 acre-feet, Stewart Dam covers a surface area of 16 acres and serves a drainage area of 1.1 square miles.
Managed and regulated by the Nebraska Department of Natural Resources, Stewart Dam has a significant hazard potential but has been assessed to be in satisfactory condition as of May 2018. The dam undergoes inspections every three years to ensure its structural integrity and safety. In case of emergencies, an Emergency Action Plan (EAP) may be activated, although details regarding its preparation and guidelines compliance are not specified in the available data. Overall, Stewart Dam plays a vital role in managing water resources and mitigating flood risks in the region.
As part of the Kansas City District and under the jurisdiction of Congressional District 01, Nebraska, Stewart Dam is a key component of the local water infrastructure. It is designed with stone core types and a soil foundation, spanning a length of 1000 feet. The dam's maximum discharge capacity is recorded at 2226 cubic feet per second, highlighting its importance in regulating water flow and preventing potential flooding events in the area. With continuous monitoring and maintenance, Stewart Dam remains a critical asset for water resource management and climate resilience efforts in Lancaster, Nebraska.
Year Completed |
2002 |
Dam Length |
1000 |
Dam Height |
27 |
River Or Stream |
TR-ROCK CREEK |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
26 |
Drainage Area |
1.1 |
Nid Storage |
382 |
Structural Height |
32 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Stewart Dam
Wild Wood