Crawford Creek Subwatershed Site 13g-1 Reservoir Report

Last Updated: December 5, 2025

Crawford Creek Subwatershed Site 13g-1 is a local government-owned earth dam located in Tama, Iowa, with a primary purpose of fire protection, stock, or small fish pond.


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Summary

Completed in 1974 by USDA NRCS, this dam has a height of 31 feet and a length of 500 feet, providing a storage capacity of 73 acre-feet. Situated on the TR-MAPLE RIVER, this dam serves multiple purposes including flood risk reduction, making it a crucial infrastructure for water resource management in the area.

With a low hazard potential and a moderate risk assessment score, Crawford Creek Subwatershed Site 13g-1 is a key feature in the region's water infrastructure. While it is currently in "Not Rated" condition assessment status, the dam is regulated, permitted, inspected, and enforced by the Iowa DNR. The dam's location in Danbury, Iowa, underscores its importance in ensuring water security and resilience in the face of changing climate patterns, making it a site of interest for water resource and climate enthusiasts alike.

Year Completed

1974

Dam Length

500

Dam Height

31

River Or Stream

TR-MAPLE RIVER

Primary Dam Type

Earth

Surface Area

5.1

Drainage Area

0.34

Nid Storage

73

Hazard Potential

Low

Foundations

Soil

Nid Height

31
       
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.