Orr Pond Dam is an earth dam located in Brown County, Illinois, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 280 ft long, taller than 55% 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 Orr Pond Dam
Orr Pond Dam is a dam in Brown, Illinois. The dam is owned by Larry Orr (private). It impounds the Tr- Dry Fork-mc Kee Creek near Fargo Offstream.
The dam stands 26 feet tall and stretches 280 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 31 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 05/20/2024.
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Location
| State | Illinois |
| County | Brown |
| Nearest City | Fargo Offstream |
| River/Stream | Tr- Dry Fork-mc Kee Creek |
| Coordinates | 39.98858, -90.84539 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 280 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 31 acre-ft |
| Max Storage | 31 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Larry Orr |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/20/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL40007 |
| Federal ID | IL40007 |
| More Info | State Dam Safety Program |