Coal And Crane Creek Structure 2 Reservoir Report
Last Updated: December 20, 2025
Coal and Crane Creek Structure 2, located in LaGrange, Illinois, is a privately owned earth dam constructed in 1972 by the USDA NRCS.
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Summary
This structure, designed by the Natural Resources Conservation Service, stands at a height of 38 feet and spans a length of 485 feet. It serves the primary purpose of water resource management and falls under state regulations from the Illinois Department of Natural Resources.
With a storage capacity of 320 acre-feet and a normal storage level of 123 acre-feet, Coal and Crane Creek Structure 2 plays a crucial role in controlling the flow of the Trib Coal Creek. The dam features an uncontrolled spillway and outlet gates, and has a low hazard potential according to risk assessments. Despite its moderate risk level, the condition assessment is currently unavailable, and the last inspection was conducted in September 2020, with a frequency of every 5 years.
Overall, Coal and Crane Creek Structure 2 is an essential infrastructure for water management in Schuyler County, Illinois, and is subject to state jurisdiction, inspection, and enforcement. With its strategic location and design, this dam contributes to the protection of surrounding areas from potential flooding and ensures the sustainable utilization of water resources in the region. For water resource and climate enthusiasts, this structure represents a significant piece of the puzzle in maintaining the balance between human development and environmental conservation.
Year Completed |
1972 |
Dam Length |
485 |
Dam Height |
38 |
River Or Stream |
TRIB COAL CREEK |
Primary Dam Type |
Earth |
Nid Storage |
320 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
38 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
La Moine River At Ripley
|
14cfs |
Sangamon River Near Oakford
|
421cfs |
Illinois River At Valley City
|
4980cfs |
La Moine River At Colmar
|
17cfs |
Spoon River At Seville
|
168cfs |
Sangamon River At Petersburg
|
209cfs |
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.
Coal And Crane Creek Structure 2