Perryville Water Supply
Perryville Water Supply is a gravity dam located in Cecil County, Maryland, built in 1900. It carries a Significant hazard potential classification and has a poor condition assessment.
About Perryville Water Supply
The primary purpose of Perryville Water Supply is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Town Of Perryville (local government). It impounds the Offstream-mill Creek.
The dam stands 15 feet tall and stretches 125 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 22 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1900, the structure is over a century 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/19/2023.
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Location
| State | Maryland |
| County | Cecil |
| River/Stream | Offstream-mill Creek |
| Coordinates | 39.58705, -76.05457 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 125 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 22 acre-ft |
| Max Storage | 22 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,320 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Town of Perryville |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/19/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00223 |
| Federal ID | MD00223 |
| More Info | State Dam Safety Program |