A hulking manufacturing plant in Irmo is being accused of contaminating the lower Saluda River and drinking water supplies after dumping toxic forever chemicals into the scenic waterway and its floodplain for years. A hulking manufacturing plant in Irmo is being accused of contaminating the lower Saluda River and drinking water supplies after dumping toxic forever chemicals into the scenic waterway and its floodplain for years. Environment Phys.org – latest science and technology news stories