102 River Tributaries Dam 18
102 River Tributaries Dam 18 is an earth dam located in Nodaway County, Missouri, built in 1962. It carries a Low hazard potential classification.
About 102 River Tributaries Dam 18
The primary purpose of 102 River Tributaries Dam 18 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 102 Rvr Trib Wrsd Subdis (local government). It impounds the Thill Branch near Arkoe.
The dam stands 28 feet tall and stretches 625 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 249 square miles. Completed in 1962, 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.
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Location
| State | Missouri |
| County | Nodaway |
| Nearest City | Arkoe |
| River/Stream | Thill Branch |
| Coordinates | 40.35930, -94.81226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 26 ft |
| Dam Length | 625 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 249 sq mi |
| Max Discharge | 1,162 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | 102 RVR TRIB WRSD SUBDIS |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10342 |
| Federal ID | MO10342 |
| More Info | State Dam Safety Program |