Collins Park Wtp Sludge Lagoon A Reservoir Report

Last Updated: January 12, 2026

Collins Park Wtp Sludge Lagoon A is a vital water resource structure located in Harbor View, Ohio, specifically designed for tailings purposes.


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Summary

Constructed in 1954, this Earth-type dam stands at a height of 12 feet with a length of 4800 feet, providing a storage capacity of 200 acre-feet. The dam, regulated by the Department of Natural Resources, plays a crucial role in managing water resources in Lucas County, Ohio.

Despite its significant hazard potential, the dam is currently assessed to be in fair condition, with the last inspection conducted in October 2019. The dam's emergency action plan was last revised in January 2015, reflecting a commitment to ensuring public safety in case of any unforeseen events. With a drainage area of 0.02 square miles and a normal storage capacity of 190.3 acre-feet, Collins Park Wtp Sludge Lagoon A serves as a key structure in the water management system of the region.

Climate and water resource enthusiasts will be intrigued by the technical specifications of Collins Park Wtp Sludge Lagoon A, including its surface area of 15 acres and maximum discharge capacity of 35 cubic feet per second. The dam's location along Otter Creek - Offstream and its close association with local government ownership underscore its critical role in water resource management. As efforts continue to maintain and monitor this essential structure, its impact on the surrounding environment and community resilience remains a key focus for stakeholders and regulators alike.

Year Completed

1954

Dam Length

4800

Dam Height

12

River Or Stream

OTTER CREEK - OFFSTREAM

Primary Dam Type

Earth

Surface Area

15

Drainage Area

0.02

Nid Storage

200

Hazard Potential

Significant

Nid Height

12
       
Seasonal Comparison

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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.