Winkler / Spies Dam is an earth dam located in Pocahontas County, Iowa, built in 1999. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 1,030 ft long. 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 Winkler / Spies Dam
The primary purpose of Winkler / Spies Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Donald M Winkler & Jeanine Spies (private). It impounds the Tr- Big Cedar Creek near Laurens.
The dam stands 7 feet tall and stretches 1,030 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 165 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 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 | Pocahontas |
| Nearest City | Laurens |
| River/Stream | Tr- Big Cedar Creek |
| Coordinates | 42.87930, -94.88160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,030 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Donald M Winkler & Jeanine Spies |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03226 |
| Federal ID | IA03226 |
| More Info | State Dam Safety Program |