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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Location
| State | Ohio |
| County | Clermont |
| Nearest City | Moscow |
| River/Stream | Tributary To Little Indian Creek |
| Coordinates | 38.85667, -84.17167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 260 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 910 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Dynegy Zimmer, LLC |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH03015 |
| Federal ID | OH03015 |
| More Info | State Dam Safety Program |