Dutch Hollow Subwatershed Site 1-8 is an earth dam located in Woodbury County, Iowa, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall and 706 ft long, taller than 90% 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 Dutch Hollow Subwatershed Site 1-8
The primary purpose of Dutch Hollow Subwatershed Site 1-8 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 Tr- Koker Creek near Danbury.
The dam stands 45 feet tall and stretches 706 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 553 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1994, the structure is 32 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 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Danbury |
| River/Stream | Tr- Koker Creek |
| Coordinates | 42.26210, -95.69820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 706 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 553 acre-ft |
| Max Storage | 553 acre-ft |
| Normal Storage | 163 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 3 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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03009 |
| Federal ID | IA03009 |
| More Info | State Dam Safety Program |