Mccaw Pond Dam is an earth dam located in Mercer County, Illinois, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 210 ft long, taller than 84% 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 Mccaw Pond Dam
The primary purpose of Mccaw Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ward Jones (private). It impounds the Trib Poe Creek near Keithsburg.
The dam stands 38 feet tall and stretches 210 feet across, and has a maximum storage capacity of 51 acre-feet. Completed in 1952, 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 06/24/2016. That was over 10 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Illinois |
| County | Mercer |
| Nearest City | Keithsburg |
| River/Stream | Trib Poe Creek |
| Coordinates | 41.13351, -90.79611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 210 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 37 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ward Jones |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/24/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00516 |
| Federal ID | IL00516 |
| More Info | State Dam Safety Program |