Chippewa Estates Dam is an earth dam located in Peoria County, Illinois, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 485 ft long, taller than 74% 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 Chippewa Estates Dam
The primary purpose of Chippewa Estates Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chippewa Estates (private). It impounds the Trib Jubilee Creek near Olin.
The dam stands 32 feet tall and stretches 485 feet across, and has a maximum storage capacity of 59 acre-feet. Completed in 1970, 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 05/09/2023.
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Location
| State | Illinois |
| County | Peoria |
| Nearest City | Olin |
| River/Stream | Trib Jubilee Creek |
| Coordinates | 40.90271, -89.79773 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 485 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 42 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Chippewa Estates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/09/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01106 |
| Federal ID | IL01106 |
| More Info | State Dam Safety Program |