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 |
N Yuba R Bl Goodyears Bar Ca
|
3580cfs |
Deer C Nr Smartville Ca
|
511cfs |
Spanish C A Quincy Ca
|
1240cfs |
Butte C Nr Chico Ca
|
2420cfs |
Yuba R Nr Marysville Ca
|
5200cfs |
Spanish C Ab Blackhawk C At Keddie Ca
|
1670cfs |
| Location | Reservations | Toilets |
|---|---|---|
Sly Creek Campground
|
||
Sly Creek
|
||
Sly Creek Recreation Area
|
||
Golden Trout
|
||
Golden Trout Crossing
|
||
Madrone Cove Campground
|
One-Quarter Mile Upstream From Confluence With Slate Creek To Bullards Bar Reservoir Spillway (Elevation 1902 Feet)
One-Eighth Mile Downstream From Confluence With Cherokee Creek To One-Quarter Mile Upstream From Confluence With Slate Creek
Slate Reservoir To North Yuba River
Confluence With South Fork Canyon Creek To Confluence With North Yuba River
Headwaters Of North Yuba River (Sec 10, T20N, R13 E) To One-Eighth Mile Downstream Of Confluence With Cherokee Creek
Headwaters To Slate Reservoir