Simmons Lower Reservoir in Johnston, Rhode Island, is a local government-owned water resource with a high hazard potential.
Wind
Humidity
The primary purpose of this gravity dam, completed in 1865, is for other uses, and it stands at a height of 12 feet with a length of 1200 feet. The reservoir has a maximum storage capacity of 317 acre-feet and a normal storage capacity of 264 acre-feet, serving a drainage area of 4 square miles.
Located on Cedar Swamp Brook, this reservoir plays a crucial role in water resource management in Providence County. Despite being state-regulated and inspected, its condition assessment remains unrated as of the last inspection in 2010. With a spillway width of 62 feet and a maximum discharge of 438 cubic feet per second, the Simmons Lower Reservoir presents a vital resource for the local community while also posing potential risks that require proper management and emergency preparedness.
As water resource and climate enthusiasts explore the significance of Simmons Lower Reservoir, its historical importance as a gravity dam serving various purposes underscores the need for regular inspections and risk assessments. With its strategic location and high hazard potential, this reservoir highlights the delicate balance between water management and environmental conservation in the face of changing climate patterns and increasing water demands. As stakeholders continue to monitor and maintain this vital water resource, ensuring its safety and sustainability remains a key priority for the local government and regulatory agencies.
Year Completed |
1865 |
Dam Length |
1200 |
Dam Height |
10 |
River Or Stream |
CEDAR SWAMP BROOK |
Primary Dam Type |
Gravity |
Surface Area |
49 |
Hydraulic Height |
10 |
Drainage Area |
4 |
Nid Storage |
317 |
Structural Height |
12 |
Hazard Potential |
High |
Nid Height |
12 |