Washington Co Road Dam 35-74-9
Washington Co Road Dam 35-74-9 is an earth dam located in Washington County, Iowa, built in 2004. It carries a Low hazard potential classification.
About Washington Co Road Dam 35-74-9
The primary purpose of Washington Co Road Dam 35-74-9 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 Washington County (local government). It impounds the Tr- Honey Creek near Coppock.
The dam stands 27 feet tall and stretches 520 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 132 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2004, 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 | Washington |
| Nearest City | Coppock |
| River/Stream | Tr- Honey Creek |
| Coordinates | 41.17440, -91.86610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 520 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Washington County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03871 |
| Federal ID | IA03871 |
| More Info | State Dam Safety Program |