Gotter Pond Dam
Gotter Pond Dam is an earth dam located in Jersey County, Illinois, built in 1969. It carries a Low hazard potential classification.
About Gotter Pond Dam
The primary purpose of Gotter Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unknown (private). It impounds the Trib Piasa Creek near Alton.
The dam stands 38 feet tall and stretches 3 feet across, and has a maximum storage capacity of 98 acre-feet. Completed in 1969, 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 08/27/2025.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Illinois |
| County | Jersey |
| Nearest City | Alton |
| River/Stream | Trib Piasa Creek |
| Coordinates | 39.05923, -90.17848 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 3 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNKNOWN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/27/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00901 |
| Federal ID | IL00901 |
| More Info | State Dam Safety Program |