The Riverton Bypass Spillway, also known as the Lowell Reservoir By Pass Dam, is a private water resource structure located in Baxter Springs, Kansas. Built in 1957 on the Spring River, this buttress dam stands at 28 feet with a hydraulic height of 36 feet and a structural height of 43 feet. It serves as a vital resource for the area, providing a normal storage capacity of 4340 acre-feet and a maximum storage of 7600 acre-feet.

Managed by the Kansas Department of Agriculture, the Riverton Bypass Spillway is regulated, inspected, and enforced by state authorities, ensuring its safety and functionality for the community. With a low hazard potential and a condition assessment of "Not Rated," this dam plays a crucial role in flood control and water management in the region. Its strategic location on the Spring River enhances its efficiency in protecting the surrounding areas from potential flooding events.

Despite being last inspected in 1979, the Riverton Bypass Spillway continues to stand as a reliable infrastructure for water resource management in Cherokee County, Kansas. Its presence not only safeguards the local community but also contributes to the sustainable use of water resources in the region. As a significant structure on the Spring River, this dam exemplifies the importance of proper planning, regulation, and maintenance in ensuring the resilience of water resources in the face of changing climates and increasing demands.