Assunpink #19 Dam is an earth dam located in Monmouth County, New Jersey. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 36 ft36 ft tall and 715 ft long, taller than 82% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Assunpink #19 Dam
The primary purpose of Assunpink #19 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Division of Fish & Wildlife (state). It impounds the Assunpink Creek.
The dam stands 36 feet tall and stretches 715 feet across, creates a reservoir covering 56 acres, has a storage capacity of 490 acre-feet, and collects water from a drainage area of 1 square miles.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/03/2024.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | New Jersey |
| County | Monmouth |
| River/Stream | Assunpink Creek |
| Coordinates | 40.20122, -74.48648 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 715 ft |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Normal Storage | 490 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 120 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Division of Fish & Wildlife |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00453 |
| Federal ID | NJ00453 |
| More Info | State Dam Safety Program |