Pawtucket Upper
Pawtucket Upper is a concrete dam located in Providence County, Rhode Island, built in 1800. It carries a Low hazard potential classification and has a poor condition assessment.
About Pawtucket Upper
Pawtucket Upper is a dam in Providence, Rhode Island. The dam is owned by Narragansett Electric Company (private). It impounds the Blackstone River near Pawtucket.
The dam stands 15 feet tall and stretches 200 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 474 square miles. Completed in 1800, the structure is one of the older dams in the region, with over a century and a half 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.
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Location
| State | Rhode Island |
| County | Providence |
| Nearest City | Pawtucket |
| River/Stream | Blackstone River |
| Coordinates | 41.87714, -71.38221 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1800 (226 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 474 sq mi |
| Max Discharge | 20,700 cfs |
Ownership & Safety
| Owner | NARRAGANSETT ELECTRIC COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI04270 |
| Federal ID | RI04270 |
| More Info | State Dam Safety Program |