Streator Vermilion River Dam is a gravity dam located in Livingston County, Illinois, built in 1925. It carries a Significant hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 220 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Streator Vermilion River Dam
The primary purpose of Streator Vermilion River Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Illinois-american Water Company (private). It impounds the Vermilion River near Streator.
The dam stands 14 feet tall and stretches 220 feet across, and has a maximum storage capacity of 1,330 acre-feet. Completed in 1925, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/24/2023.
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Location
| State | Illinois |
| County | Livingston |
| Nearest City | Streator |
| River/Stream | Vermilion River |
| Coordinates | 41.08762, -88.81356 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 220 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 1,330 acre-ft |
| Max Storage | 1,330 acre-ft |
| Normal Storage | 1,330 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Illinois-american Water Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01156 |
| Federal ID | IL01156 |
| More Info | State Dam Safety Program |