A16 Pond Dam
A16 Pond Dam is an earth dam located in Williamson County, Illinois, built in 1970. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About A16 Pond Dam
The primary purpose of A16 Pond Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Us Fish And Wildlife Service (federal). It impounds the Unnamed Stream.
The dam stands 13 feet tall and stretches 1,260 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 407 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 06/20/2011. That was over 14 years ago.
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Location
| State | Illinois |
| County | Williamson |
| River/Stream | Unnamed Stream |
| Coordinates | 37.68880, -88.98290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 1,260 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 407 acre-ft |
| Max Storage | 407 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,430 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 06/20/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL00123 |
| Federal ID | IL00123 |
| More Info | State Dam Safety Program |