About Us

Family Owned And Operated Since 1992

Since 1992, Environmental Progress Inc. (EPI) has been providing Columbia, SC as well as the entire southeastern United States with good, clean water.


EPI is a member of the Water Quality Association, the Better Business Bureau and the Lexington South Carolina Chamber of Commerce.

Westinghouse has made a splash in the water treatment industry by combining the highest quality products with affordable ownership solutions. The company has a reputation for manufacturing high-quality equipment that, requires minimal maintenance, and is backed by strong warranties. Their water treatment division is the fastest growing portion of their business and they feel this is a direct result of providing responsible, affordable solutions to today’s water problems.

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