Pocasset Pond
Pocasset Pond is an earth dam located in Providence County, Rhode Island, built in 1951. It carries a Significant hazard potential classification and has a fair condition assessment.
About Pocasset Pond
Pocasset Pond is a dam in Providence, Rhode Island. The dam is owned by Johnston, Town Of (local government). It impounds the Pocasset River near Johnston.
The dam stands 9 feet tall and stretches 170 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 15 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1951, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat.
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Location
| State | Rhode Island |
| County | Providence |
| Nearest City | Johnston |
| River/Stream | Pocasset River |
| Coordinates | 41.82574, -71.50646 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 170 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 297 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | JOHNSTON, TOWN OF |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI04218 |
| Federal ID | RI04218 |
| More Info | State Dam Safety Program |