Weis Dam is an earth dam located in Union County, Iowa, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 308 ft long, taller than 78% 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 Weis Dam
The primary purpose of Weis 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 Dean Weis (private). It impounds the Tr-twelve Mile Creek near Westerville.
The dam stands 34 feet tall and stretches 308 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 41 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Union |
| Nearest City | Westerville |
| River/Stream | Tr-twelve Mile Creek |
| Coordinates | 41.01340, -94.18540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 308 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Dean Weis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01080 |
| Federal ID | IA01080 |
| More Info | State Dam Safety Program |