West Douglas Watershed Site L-1 is an earth dam located in Adams County, Iowa, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 480 ft long, taller than 76% 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 West Douglas Watershed Site L-1
The primary purpose of West Douglas Watershed Site L-1 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 Adams County Swcd (local government). It impounds the Tr-middle Nodaway near Villisca.
The dam stands 33 feet tall and stretches 480 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Adams |
| Nearest City | Villisca |
| River/Stream | Tr-middle Nodaway |
| Coordinates | 41.03970, -94.89920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 480 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Adams County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00049 |
| Federal ID | IA00049 |
| More Info | State Dam Safety Program |