Heller Lake Dam is an earth dam located in Fulton County, Illinois, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 193 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 Heller Lake Dam
The primary purpose of Heller Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by George Heller (private). It impounds the Trib Otter Creek near Vermont-offstream.
The dam stands 22 feet tall and stretches 193 feet across, and has a maximum storage capacity of 57 acre-feet. Completed in 1965, 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 05/15/2018.
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Location
| State | Illinois |
| County | Fulton |
| Nearest City | Vermont-offstream |
| River/Stream | Trib Otter Creek |
| Coordinates | 40.35139, -90.41182 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 193 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 32 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | George Heller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/15/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01180 |
| Federal ID | IL01180 |
| More Info | State Dam Safety Program |