Langley Pond Dam
Langley Pond Dam is an earth dam located in Shelby County, Illinois, built in 1968. It carries a Low hazard potential classification.
About Langley Pond Dam
The primary purpose of Langley Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Horse Shoe Campgrounds (private). It impounds the Trib Kaskaskia near Cowden.
The dam stands 34 feet tall and stretches 250 feet across, and has a maximum storage capacity of 194 acre-feet. Completed in 1968, 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 06/11/2025.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Illinois |
| County | Shelby |
| Nearest City | Cowden |
| River/Stream | Trib Kaskaskia |
| Coordinates | 39.37682, -88.80271 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 250 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 194 acre-ft |
| Max Storage | 194 acre-ft |
| Normal Storage | 148 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | HORSE SHOE CAMPGROUNDS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 06/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00140 |
| Federal ID | IL00140 |
| More Info | State Dam Safety Program |