Mather Dam is an earth dam located in Page County, Iowa, built in 2012. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 614 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 Mather Dam
The primary purpose of Mather 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 Lewis Mather & Sons (private). It impounds the Trib to Tarkio Cr near Blanchard.
The dam stands 33 feet tall and stretches 614 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2012, the structure is relatively new.
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 | Page |
| Nearest City | Blanchard |
| River/Stream | Trib to Tarkio Cr |
| Coordinates | 40.64200, -95.21590 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 614 ft |
| Year Completed | 2012 (14 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 233 cfs |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Lewis Mather & Sons |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04205 |
| Federal ID | IA04205 |
| More Info | State Dam Safety Program |