Nonquit Pond
Nonquit Pond is a rockfill dam located in Newport County, Rhode Island, built in 1943. It carries a Significant hazard potential classification and has a fair condition assessment.
About Nonquit Pond
The primary purpose of Nonquit Pond is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Newport, City Of (local government). It impounds the Borden Brook near Tiverton.
The dam stands 8 feet tall and stretches 200 feet across, creates a reservoir covering 178 acres, has a maximum storage capacity of 1,950 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1943, the structure is well-established, with more than 75 years of service.
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 | Newport |
| Nearest City | Tiverton |
| River/Stream | Borden Brook |
| Coordinates | 41.55346, -71.19701 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 200 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 1,950 acre-ft |
| Max Storage | 1,950 acre-ft |
| Normal Storage | 1,730 acre-ft |
| Surface Area | 178 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,826 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | NEWPORT, CITY OF |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Emergency Action Plan | No |
Identifiers
| NID ID | RI03301 |
| Federal ID | RI03301 |
| More Info | State Dam Safety Program |