Schwartz Estate Pond Dam 6
Schwartz Estate Pond Dam 6 is an earth dam located in Rockland County, New York. It carries a Significant hazard potential classification and has a poor condition assessment.
About Schwartz Estate Pond Dam 6
The primary purpose of Schwartz Estate Pond Dam 6 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 Village Of Montebello (local government). It impounds the Mahwah River near Spring Valley.
The dam stands 17 feet tall and stretches 216 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 24 acre-feet.
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 05/07/2025.
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Location
| State | New York |
| County | Rockland |
| Nearest City | Spring Valley |
| River/Stream | Mahwah River |
| Coordinates | 41.12444, -74.11222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 216 ft |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 972 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Village of Montebello |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/07/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY14948 |
| Federal ID | NY14948 |
| More Info | State Dam Safety Program |