Collier Mills Dam
Collier Mills Dam is an earth dam located in Ocean County, New Jersey, built in 1942. It carries a Low hazard potential classification and has a poor condition assessment.
About Collier Mills Dam
The primary purpose of Collier Mills 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 Bordens Mill Branch.
The dam stands 9 feet tall and stretches 960 feet across, creates a reservoir covering 34 acres, has a storage capacity of 115 acre-feet, and collects water from a drainage area of 2 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/30/2006. That was over 19 years ago.
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Location
| State | New Jersey |
| County | Ocean |
| River/Stream | Bordens Mill Branch |
| Coordinates | 40.06802, -74.44800 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 960 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Division of Fish & Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/30/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00248 |
| Federal ID | NJ00248 |
| More Info | State Dam Safety Program |