Hopkins Dam is an earth dam located in Fremont County, Iowa, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 386 ft long, taller than 83% 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 Hopkins Dam
The primary purpose of Hopkins 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 Lula Hopkins (private). It impounds the Tr-mill Creek near Hamburg.
The dam stands 37 feet tall and stretches 386 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 11/29/1960. That was over 65 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Iowa |
| County | Fremont |
| Nearest City | Hamburg |
| River/Stream | Tr-mill Creek |
| Coordinates | 40.61700, -95.57120 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 386 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 33 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 | Lula Hopkins |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/29/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00399 |
| Federal ID | IA00399 |
| More Info | State Dam Safety Program |