Dutch Hollow Subwatershed Site M-3
Dutch Hollow Subwatershed Site M-3 is an earth dam located in Woodbury County, Iowa, built in 1984. It carries a Low hazard potential classification.
About Dutch Hollow Subwatershed Site M-3
The primary purpose of Dutch Hollow Subwatershed Site M-3 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 Woodbury County Swcd (local government). It impounds the Koker Creek near Danbury.
The dam stands 42 feet tall and stretches 650 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 444 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1984, the structure is 42 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 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Danbury |
| River/Stream | Koker Creek |
| Coordinates | 42.26940, -95.71150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 650 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 444 acre-ft |
| Max Storage | 444 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Woodbury County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02453 |
| Federal ID | IA02453 |
| More Info | State Dam Safety Program |