Glendola Reservoir Dam
Glendola Reservoir Dam is an earth dam located in Monmouth County, New Jersey, built in 1961. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Glendola Reservoir Dam
The primary purpose of Glendola Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by New Jersey-american Water Company (private). It impounds the Robins Swamp Brook near Remsen Mill.
The dam stands 65 feet tall and stretches 4,500 feet across, creates a reservoir covering 120 acres, has a maximum storage capacity of 4,330 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/01/2024.
At 65 feet, this dam is taller than 96% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Jersey dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Jersey |
| County | Monmouth |
| Nearest City | Remsen Mill |
| River/Stream | Robins Swamp Brook |
| Coordinates | 40.19492, -74.07910 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 4,500 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 4,330 acre-ft |
| Max Storage | 4,330 acre-ft |
| Normal Storage | 3,155 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 260 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | New Jersey-American Water Company |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/01/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00096 |
| Federal ID | NJ00096 |
| More Info | State Dam Safety Program |