Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1
Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1 is an other dam located in Clinton County, Illinois. It carries a High hazard potential classification.
About Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1
The primary purpose of Exxonmobil Coal Usa/mine 2/refuse Disposal Area 1 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Exxonmobil Environmental Services Compan (private). It impounds the Grassy Branch Creek near Albers.
The dam stands 47 feet tall and stretches 10,900 feet across, creates a reservoir covering 167 acres, has a maximum storage capacity of 7,850 acre-feet, and collects water from a drainage area of 0 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 07/25/2025.
At 47 feet, this dam is taller than 92% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Clinton |
| Nearest City | Albers |
| River/Stream | Grassy Branch Creek |
| Coordinates | 38.53441, -89.58751 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 10,900 ft |
Storage & Hydraulics
| NID Storage | 7,850 acre-ft |
| Max Storage | 7,850 acre-ft |
| Surface Area | 167 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 719 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner | EXXONMOBIL ENVIRONMENTAL SERVICES COMPAN |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 07/25/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50505 |
| Federal ID | IL50505 |
| More Info | State Dam Safety Program |