Garst Supply Dam is an earth dam located in Carroll County, Iowa, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 398 ft long, taller than 74% 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 Garst Supply Dam
The primary purpose of Garst Supply 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 Garst Supply Company (private). It impounds the Tr- Middle Raccoon River near Coon Rapids.
The dam stands 32 feet tall and stretches 398 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 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.
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Location
| State | Iowa |
| County | Carroll |
| Nearest City | Coon Rapids |
| River/Stream | Tr- Middle Raccoon River |
| Coordinates | 41.87180, -94.66770 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 398 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Garst Supply Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03170 |
| Federal ID | IA03170 |
| More Info | State Dam Safety Program |