Jorgensen Dam is an earth dam located in Guthrie County, Iowa, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 352 ft long, taller than 78% 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 Jorgensen Dam
The primary purpose of Jorgensen Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Marvin Jorgenson (private). It impounds the Tr-bear Grove Creek near South Raccoon River.
The dam stands 34 feet tall and stretches 352 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 100 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 06/01/1974. That was over 52 years ago.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Guthrie |
| Nearest City | South Raccoon River |
| River/Stream | Tr-bear Grove Creek |
| Coordinates | 41.60670, -94.58480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 352 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Marvin Jorgenson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/01/1974 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00410 |
| Federal ID | IA00410 |
| More Info | State Dam Safety Program |