Upper Big Blue River Structure No. 19 Reservoir Report
Last Updated: December 19, 2025
Upper Big Blue River Structure No.
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Summary
19, located in Henry County, Indiana, is a vital piece of infrastructure designed by USDA NRCS to manage flood risk along the Moon Brook river. Completed in 1995, this earth dam stands at a height of 33.4 feet and has a storage capacity of 246 acre-feet, providing essential flood protection to the surrounding area. Despite its high hazard potential, the structure is deemed to be in satisfactory condition, ensuring its continued effectiveness in mitigating flood risks.
Managed by the local government and regulated by the Indiana Department of Natural Resources, Upper Big Blue River Structure No. 19 plays a crucial role in protecting the community from potential water-related disasters. The dam's uncontrolled spillway and rock and soil foundations contribute to its robustness in handling excess water flow during periods of heavy rainfall. With a moderate risk assessment rating of 3, ongoing inspections and maintenance ensure that the structure remains resilient and capable of fulfilling its primary purpose of flood risk reduction.
This structure not only serves as a testament to effective water resource management but also highlights the importance of proactive measures in safeguarding communities from climate-related challenges. With its strategic location and design features, Upper Big Blue River Structure No. 19 stands as a symbol of resilience and preparedness in the face of increasingly unpredictable weather patterns, making it a key asset for water resource and climate enthusiasts alike.
Year Completed |
1995 |
Dam Length |
600 |
Dam Height |
33.4 |
River Or Stream |
MOON BROOK |
Primary Dam Type |
Earth |
Surface Area |
14.3 |
Hydraulic Height |
33.4 |
Drainage Area |
1.38 |
Nid Storage |
246 |
Structural Height |
33.4 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
33 |
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.
Upper Big Blue River Structure No. 19