York Twp Site Ca-170-3
York Twp Site Ca-170-3 is an earth dam located in Putnam County, Missouri, built in 1977. It carries a Low hazard potential classification.
About York Twp Site Ca-170-3
The primary purpose of York Twp Site Ca-170-3 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 York Township Board (local government). It impounds the Tr-medicine Creek near Powersville.
The dam stands 30 feet tall and stretches 480 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 27 acre-feet, and collects water from a drainage area of 3,000 square miles. Completed in 1977, the structure is 49 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 | Putnam |
| Nearest City | Powersville |
| River/Stream | Tr-medicine Creek |
| Coordinates | 40.55858, -93.30976 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 29 ft |
| Dam Length | 480 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 27 acre-ft |
| Max Storage | 27 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 3,000 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | YORK TOWNSHIP BOARD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50419 |
| Federal ID | MO50419 |
| More Info | State Dam Safety Program |