Griffith Dam
Griffith Dam is an earth dam located in Morris County, New Jersey. It carries a Low hazard potential classification.
About Griffith Dam
The primary purpose of Griffith Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hawk Hill, Inc. (private). It impounds the Rockaway River-tr.
The dam stands 9 feet tall and stretches 390 feet across, creates a reservoir covering 2 acres, has a storage capacity of 54 acre-feet, and collects water from a drainage area of 0 square miles.
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 07/12/2001. That was over 24 years ago.
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Location
| State | New Jersey |
| County | Morris |
| River/Stream | Rockaway River-tr |
| Coordinates | 40.92082, -74.41767 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 390 ft |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hawk Hill, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 07/12/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00752 |
| Federal ID | NJ00752 |
| More Info | State Dam Safety Program |