Allendale Pond
Allendale Pond is an earth dam located in Providence County, Rhode Island, built in 1865. It carries a Low hazard potential classification and has a poor condition assessment.
About Allendale Pond
Allendale Pond is a dam in Providence, Rhode Island. The dam is owned by Milestone Properties Corp. (private). It impounds the Woonasquatucket River near Johnston.
The dam stands 19 feet tall and stretches 234 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 40 square miles. Completed in 1865, 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 | Johnston |
| River/Stream | Woonasquatucket River |
| Coordinates | 41.85102, -71.48180 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 15 ft |
| Dam Length | 234 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 2,226 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | MILESTONE PROPERTIES CORP. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI02403 |
| Federal ID | RI02403 |
| More Info | State Dam Safety Program |