Chain is a stone dam located in Northampton County, Pennsylvania. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 700 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Chain
The primary purpose of Chain is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Easton (state). It impounds the Lehigh River.
The dam stands 20 feet tall and stretches 700 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 1,197 acre-feet, and collects water from a drainage area of 1,360 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/12/2020.
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Location
| State | Pennsylvania |
| County | Northampton |
| River/Stream | Lehigh River |
| Coordinates | 40.65889, -75.24444 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 700 ft |
Storage & Hydraulics
| NID Storage | 1,197 acre-ft |
| Max Storage | 1,197 acre-ft |
| Normal Storage | 1,197 acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 1,360 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Easton |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/12/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA01744 |
| Federal ID | PA01744 |
| More Info | State Dam Safety Program |