Towne East Lake Dam is an earth dam located in Madison County, Illinois. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 310 ft long. 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 Towne East Lake Dam
The primary purpose of Towne East Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town East Third Subdivisione Lake Assoc. (private). It impounds the Trib Lindenthal Creek near Highland.
The dam stands 20 feet tall and stretches 310 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 0 square miles.
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 07/11/2025.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | Highland |
| River/Stream | Trib Lindenthal Creek |
| Coordinates | 38.73226, -89.66061 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 310 ft |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 303 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town East Third Subdivisione Lake Assoc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50474 |
| Federal ID | IL50474 |
| More Info | State Dam Safety Program |