Sedimentation Pond No. 1 Dam

Sedimentation Pond No. 1 Dam is an earth dam located in Clermont County, Ohio, built in 2000. It carries a Significant hazard potential classification and has a poor condition assessment.

About Sedimentation Pond No. 1 Dam

The primary purpose of Sedimentation Pond No. 1 Dam is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Dynegy Zimmer, Llc (public utility). It impounds the Tributary To Little Indian Creek near Moscow.

The dam stands 28 feet tall and stretches 260 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 98 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/18/2023.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateOhio
CountyClermont
Nearest CityMoscow
River/StreamTributary To Little Indian Creek
Coordinates38.85667, -84.17167

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length260 ft
Year Completed2000 (26 years old)

Storage & Hydraulics

NID Storage98 acre-ft
Max Storage98 acre-ft
Normal Storage35 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge910 cfs

Ownership & Safety

PurposeDebris Control
OwnerDynegy Zimmer, LLC
Owner TypePublic Utility
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection05/18/2023
Emergency Action PlanNo

Identifiers

NID IDOH03015
Federal IDOH03015
More InfoState Dam Safety Program

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