Lum Hollow Subwatershed M-13210
Lum Hollow Subwatershed M-13210 is an earth dam located in Woodbury County, Iowa, built in 1959. It carries a Low hazard potential classification.
About Lum Hollow Subwatershed M-13210
The primary purpose of Lum Hollow Subwatershed M-13210 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 Missouri River.
The dam stands 26 feet tall and stretches 300 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 3 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.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Missouri River |
| River/Stream | Lum Hollow Creek |
| Coordinates | 42.26850, -95.99520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 300 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 2 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 Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01917 |
| Federal ID | IA01917 |
| More Info | State Dam Safety Program |