| Diamond Hill Reservoir | |
| Location: | Cumberland, Providence County, Rhode Island, United States |
| Pushpin Map: | Rhode Island |
| Type: | Reservoir |
| Basin Countries: | United States |
| Date-Built: | 1971 |
| Other Name: | Pawtucket Upper Reservoir |
Diamond Hill Reservoir (also known as the Pawtucket Upper Reservoir) is a reservoir in Cumberland, Providence County, Rhode Island near Diamond Hill.
The earthen Diamond Hill Reservoir Dam was constructed in 1971 with a height of 80feet, and a length of 2000feet at its crest.[1] It impounds the Abbott Run waterway for municipal drinking water. Both dam and reservoir are owned and operated by the city of Pawtucket's Water Supply Board.
The reservoir it creates has a normal surface area of 390acres, a maximum capacity of 15680lk=onNaNlk=on, and a normal storage of 11000acre-ft. Immediately adjacent to the south is the Arnold Mills Reservoir.