Hirsch Dam is an earth dam located in Madison County, Iowa, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 440 ft long, taller than 50% 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 Hirsch Dam
The primary purpose of Hirsch 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 Raymond Hirsch (private). It impounds the Tr-north River near Churchville.
The dam stands 25 feet tall and stretches 440 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 07/20/1977. That was over 49 years ago.
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Location
| State | Iowa |
| County | Madison |
| Nearest City | Churchville |
| River/Stream | Tr-north River |
| Coordinates | 41.41360, -94.19920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 440 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 25 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 | Raymond Hirsch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/20/1977 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01583 |
| Federal ID | IA01583 |
| More Info | State Dam Safety Program |