Alphons Eck, located in Labette, Kansas, is a private earth dam designed by the USDA NRCS and completed in 1990. This dam serves multiple purposes, including fire protection and providing a water source for livestock or small fish ponds. With a height of 17 feet and a length of 495 feet, Alphons Eck has a storage capacity of 127 acre-feet and is situated on the Tr- Neosho river/stream.

Despite being classified as having a low hazard potential, Alphons Eck is subject to moderate risk according to a risk assessment score of 3. The dam features an uncontrolled spillway with a width of 40 feet and outlet gates that are also uncontrolled. While the condition assessment is currently unavailable, the dam is inspected at a frequency of 0.

Overall, Alphons Eck serves as a vital water resource structure in the area, providing essential services for fire protection and agricultural needs. Its design and construction by the USDA NRCS reflect a commitment to water resource management and conservation in Kansas.