Six Pond Dam 1 is an earth dam located in Montgomery County, Illinois, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 400 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Six Pond Dam 1
The primary purpose of Six Pond Dam 1 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 Delos Six;delos Six (private). It impounds the Tr- Shoal Creek E W Fork near Panama.
The dam stands 25 feet tall and stretches 400 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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. The most recent inspection on record was 08/08/2025.
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Location
| State | Illinois |
| County | Montgomery |
| Nearest City | Panama |
| River/Stream | Tr- Shoal Creek E W Fork |
| Coordinates | 39.06684, -89.51478 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 400 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 216 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Delos Six;delos Six |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/08/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL40109 |
| Federal ID | IL40109 |
| More Info | State Dam Safety Program |