Located in Plumfield, Illinois, the Raw Water Reservoir Dam is a private-owned structure built in 1966 with a primary purpose of recreation.
Wind
Humidity
Standing at a height of 20 feet and a length of 1560 feet, this earthen dam holds a storage capacity of 1427 acre-feet, with a normal storage level of 674 acre-feet. The dam overlooks Ward Branch and is regulated by the Illinois Department of Natural Resources.
With a significant hazard potential and a moderate risk assessment rating, the Raw Water Reservoir Dam is subject to regular inspections and enforcement measures to ensure its safety and integrity. The dam features an uncontrolled spillway and outlet gates, with a spillway width of 52 feet. Despite its condition assessment being marked as "Not Available," the dam is monitored closely and has an emergency action plan in place to address any potential risks or emergencies. Overall, the Raw Water Reservoir Dam serves as a vital water resource and recreational spot in Jefferson County, Illinois.
Year Completed |
1966 |
Dam Length |
1560 |
Dam Height |
20 |
River Or Stream |
WARD BRANCH |
Primary Dam Type |
Earth |
Nid Storage |
1427 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
20 |