Located in York, South Carolina, the Catawba Standby Nuclear Service Water facility serves as Category I Emergency Cooling Water for public utility purposes. The dam, completed in 1982, stands at a height of 75 feet and spans a length of 1710 feet along the Catawba River. With a storage capacity of 1200 acre-feet, the dam's primary purpose is to provide standby nuclear service water to ensure the safety and efficiency of nuclear operations in the region.

Operated by the Nuclear Regulatory Commission, the Catawba Standby Nuclear Service Water facility has a low hazard potential and is assessed to be in satisfactory condition as of April 2017. In the event of an emergency, the facility is equipped to handle a maximum discharge of 380 cubic feet per second. Despite its moderate risk assessment, the dam is regularly inspected every two years to ensure its continued safe operation. With a surface area of 46 acres and a drainage area of 0.64 square miles, the Catawba Standby Nuclear Service Water facility plays a crucial role in safeguarding water resources and maintaining climate resilience in the region.

As a key component of the region's emergency preparedness infrastructure, the Catawba Standby Nuclear Service Water facility serves as a vital resource for managing potential nuclear emergencies. With its uncontrolled spillway and stone core, the dam is designed to withstand various environmental challenges while providing essential cooling water support in critical situations. As climate change continues to pose threats to water resources, the facility's strategic location and operational efficiency are crucial for ensuring the safety and security of the surrounding community.