Lake Horicon Dam is an earth dam located in Ocean County, New Jersey, built in 1942. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 1,400 ft long. 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 Lake Horicon Dam
The primary purpose of Lake Horicon Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Borough of Lakehurst (local government). It impounds the Union Branch Toms River near Manchester.
The dam stands 7 feet tall and stretches 1,400 feet across, creates a reservoir covering 48 acres, has a storage capacity of 114 acre-feet, and collects water from a drainage area of 21 square miles. Completed in 1942, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 12/07/2001. That was over 24 years ago.
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Location
| State | New Jersey |
| County | Ocean |
| Nearest City | Manchester |
| River/Stream | Union Branch Toms River |
| Coordinates | 40.00967, -74.31857 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 1,420 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Borough of Lakehurst |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/07/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00185 |
| Federal ID | NJ00185 |
| More Info | State Dam Safety Program |