Isu Dam is an earth dam located in Lucas County, Iowa, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 426 ft long. 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 Isu Dam
The primary purpose of Isu 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 Iowa State University (state). It impounds the Tr-chariton River near Chariton.
The dam stands 24 feet tall and stretches 426 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 09/21/1960. That was over 66 years ago.
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Location
| State | Iowa |
| County | Lucas |
| Nearest City | Chariton |
| River/Stream | Tr-chariton River |
| Coordinates | 40.95950, -93.40680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 426 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Iowa State University |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/21/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00603 |
| Federal ID | IA00603 |
| More Info | State Dam Safety Program |