Catonsville Community Park Regional Swm Pond Dam (ba-359)
Catonsville Community Park Regional Swm Pond Dam (ba-359) is an earth dam located in Baltimore County, Maryland, built in 1985. It carries a High hazard potential classification and has a fair condition assessment.
About Catonsville Community Park Regional Swm Pond Dam (ba-359)
The primary purpose of Catonsville Community Park Regional Swm Pond Dam (ba-359) is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Baltimore County Deps (local government). It impounds the Patapsco River-tr near Catonsville.
The dam stands 21 feet tall and stretches 380 feet across, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1985, the structure is 41 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 03/29/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Maryland dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Maryland |
| County | Baltimore |
| Nearest City | Catonsville |
| River/Stream | Patapsco River-tr |
| Coordinates | 39.27828, -76.75056 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 380 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Baltimore County DEPS |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 03/29/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00588 |
| Federal ID | MD00588 |
| More Info | State Dam Safety Program |