Pratt Bros.pond Dam is an earth dam located in Macoupin County, Illinois, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 300 ft long, taller than 59% 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 Pratt Bros.pond Dam
Pratt Bros.pond Dam is a dam in Macoupin, Illinois. The dam is owned by Pratt Brothers;pratt Brothers (private). It impounds the Tr- Joes Creek Ne near Jalapa.
The dam stands 27 feet tall and stretches 300 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 36 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 05/01/2024.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Jalapa |
| River/Stream | Tr- Joes Creek Ne |
| Coordinates | 39.43944, -90.03923 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 300 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 188 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Pratt Brothers;pratt Brothers |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/01/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL40084 |
| Federal ID | IL40084 |
| More Info | State Dam Safety Program |