“The Stormwater Equipment Manufacturers Association (SWEMA) is currently participating in the Water Environment Federation’s (WEF) Stormwater Testing and Evaluation for Products and Practices (STEPP) steering committee to investigate establishing a national program to evaluate manufactured stormwater treatment devices.  The STEPP initiative was triggered in part by the ending of the only national evaluation program for these technologies, the EPA’s Environmental Technology Verification (ETV) program.”

Read the rest of the article from the Stormwater Journal here.