Mosquito Creek Watershed Site 13-1 Reservoir Report
Last Updated: December 14, 2025
Mosquito Creek Watershed Site 13-1, located in Persia, Iowa, is a key site managed by local government for fire protection, stock, and small fish pond purposes.
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Summary
This earth dam, designed by USDA NRCS and completed in 1968, stands at a height of 36 feet and spans 662 feet with a storage capacity of 105 acre-feet. The dam plays a crucial role in flood risk reduction and recreational activities in the area.
Managed by the Iowa DNR, this dam is regulated, inspected, and enforced by state authorities to ensure its structural integrity and safety. With a low hazard potential and moderate risk assessment, the site has not been rated for its condition but continues to serve its primary purposes effectively. Despite being uncontrolled, the spillway and surrounding features contribute to the overall functionality and efficiency of the dam, making it a vital component of the Mosquito Creek watershed ecosystem.
Water resource and climate enthusiasts will find Mosquito Creek Watershed Site 13-1 to be a fascinating example of sustainable water management practices in Iowa. With a focus on conservation and recreational uses, this site showcases the importance of effective dam design and maintenance in mitigating flood risks and supporting local ecosystems. As a part of the Rock Island District, this dam serves as a testament to the collaborative efforts of government agencies and stakeholders in preserving and enhancing water resources for future generations.
Year Completed |
1968 |
Dam Length |
662 |
Dam Height |
36 |
River Or Stream |
TR-MOSQUITO CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Drainage Area |
0.42 |
Nid Storage |
105 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
36 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Boyer River At Logan
|
417cfs |
West Nishnabotna River At Hancock
|
154cfs |
Soldier River At Pisgah
|
112cfs |
Missouri River At Omaha
|
17500cfs |
East Nishnabotna River Near Atlantic
|
143cfs |
Big Papillion Cr
|
38cfs |
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.
Mosquito Creek Watershed Site 13-1