Lum Hollow Subwatershed M-27785 is an earth dam located in Woodbury County, Iowa, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 800 ft long, taller than 84% 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 Lum Hollow Subwatershed M-27785
The primary purpose of Lum Hollow Subwatershed M-27785 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 Lum Hollow Creek near Turin.
The dam stands 38 feet tall and stretches 800 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 341 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.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Turin |
| River/Stream | Lum Hollow Creek |
| Coordinates | 42.26020, -96.02400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 800 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 341 acre-ft |
| Max Storage | 341 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 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 | IA01735 |
| Federal ID | IA01735 |
| More Info | State Dam Safety Program |