Marlay Dam is an earth dam located in Van Buren County, Iowa, built in 1999. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 350 ft long, taller than 59% 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 Marlay Dam
The primary purpose of Marlay Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Lyle Marlay (private). It impounds the Tr- Fox River near Mount Sterling.
The dam stands 27 feet tall and stretches 350 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 121 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 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 | Van Buren |
| Nearest City | Mount Sterling |
| River/Stream | Tr- Fox River |
| Coordinates | 40.64050, -91.98280 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 350 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Lyle Marlay |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03440 |
| Federal ID | IA03440 |
| More Info | State Dam Safety Program |