Newquist Grade Stabilization Structure is an earth dam located in Wapello County, Iowa, built in 2011. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 569 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 Newquist Grade Stabilization Structure
The primary purpose of Newquist Grade Stabilization Structure 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 Ron Newquist & William Durflinger (private). It impounds the Trib to Buckeye Creek near Fairfield.
The dam stands 27 feet tall and stretches 569 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 612 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2011, 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.
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Location
| State | Iowa |
| County | Wapello |
| Nearest City | Fairfield |
| River/Stream | Trib to Buckeye Creek |
| Coordinates | 40.99990, -92.27510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 569 ft |
| Year Completed | 2011 (15 years old) |
Storage & Hydraulics
| NID Storage | 612 acre-ft |
| Max Storage | 612 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Ron Newquist & William Durflinger |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04091 |
| Federal ID | IA04091 |
| More Info | State Dam Safety Program |