Lake Arcadia Dam #2
Lake Arcadia Dam #2 is a concrete dam located in Passaic County, New Jersey, built in 1926. It carries a Significant hazard potential classification and has a poor condition assessment.
About Lake Arcadia Dam #2
The primary purpose of Lake Arcadia Dam #2 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Arcadia Association (private). It impounds the Bear Swamp Brook near Apshawa.
The dam stands 18 feet tall and stretches 68 feet across, creates a reservoir covering 64 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.
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 07/13/2023.
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Location
| State | New Jersey |
| County | Passaic |
| Nearest City | Apshawa |
| River/Stream | Bear Swamp Brook |
| Coordinates | 41.03267, -74.35993 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 68 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 900 acre-ft |
| Surface Area | 64 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 142 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Arcadia Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00029 |
| Federal ID | NJ00029 |
| More Info | State Dam Safety Program |