Groseclose Dam
Groseclose Dam is an earth dam located in Story County, Iowa, built in 1965. It carries a Low hazard potential classification.
About Groseclose Dam
The primary purpose of Groseclose 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 Ora Groseclose (private). It impounds the Tr-skunk River near Colfax.
The dam stands 29 feet tall and stretches 500 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 10/20/1967. That was over 58 years ago.
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Location
| State | Iowa |
| County | Story |
| Nearest City | Colfax |
| River/Stream | Tr-skunk River |
| Coordinates | 41.86820, -93.48570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 500 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ora Groseclose |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/20/1967 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01018 |
| Federal ID | IA01018 |
| More Info | State Dam Safety Program |