Loprest, a division of WRT

Loprest, a division of WRT was originally established in 1928 in San Francisco, California as Loprest Water Treatment Company. In the 1950s and 60s, Loprest evolved into a regional provider of groundwater treatment solutions for the municipal water treatment market, which has been the focus of their business ever since. With thousands of installations throughout California and the world, Loprest has provided reliable, durable and cost-effective water treatment solutions for over ninety years.