Lower Pelzer is a gravity dam located in Greenville, South Carolina, near the Duke Steam Plant on the Saluda River. Built in 1893 for hydroelectric purposes, the dam stands at a height of 37.7 feet with a hydraulic height of 41.7 feet. It has a structural height of 42.9 feet and a length of 546 feet, serving a drainage area of 411 square miles. The dam has a maximum discharge capacity of 29,400 cubic feet per second and a storage capacity of 400 acre-feet, with a normal storage level of 160 acre-feet.

With a high hazard potential and a moderate risk assessment rating, Lower Pelzer is regulated by the Federal Energy Regulatory Commission and undergoes regular inspections. The dam's spillway, of uncontrolled type, has a width of 310 feet. While the condition assessment is not available, emergency action plans have been prepared and last revised in December 2020. Despite its age, Lower Pelzer continues to play a crucial role in harnessing hydroelectric power and managing water resources in the region, making it a significant structure for water resource and climate enthusiasts to study and appreciate.