Rush Island Fly Ash
Rush Island Fly Ash is an earth dam located in Jefferson County, Missouri. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rush Island Fly Ash
Rush Island Fly Ash is a dam in Jefferson, Missouri. The dam is public utility-owned. It impounds the Isle Du Buis Creek.
The dam stands 46 feet tall and stretches 11,325 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 445 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/19/2021.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Missouri |
| County | Jefferson |
| River/Stream | Isle Du Buis Creek |
| Coordinates | 38.12820, -90.26122 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 11,325 ft |
Storage & Hydraulics
| NID Storage | 445 acre-ft |
| Max Storage | 445 acre-ft |
| Normal Storage | 386 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/19/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO40179 |
| Federal ID | MO40179 |
| More Info | State Dam Safety Program |