National Municipal Stormwater and Green Infrastructure Awards Program

The National Municipal Stormwater and Green Infrastructure Awards program, led by the Water Environment Federation (WEF) Stormwater Institute, was established to recognize high-performing regulated Municipal Separate Storm Sewer System (MS4) programs. The objective of the program is to recognize high-performing, regulated Phase I and Phase II MS4 communities that meet and exceed regulatory requirements in innovative ways that are effective and cost efficient. Learn more

National Municipal Separate Storm Sewer System (MS4) Needs Assessment Survey

In 2018, the Water Environment Federation’s (WEF) Stormwater Institute (SWI) conducted a national survey of MS4 permittees. The primary objectives of this survey were to identify the information and technical resource needs of MS4 permittees and to better understand MS4 stormwater program challenges. Learn more

Stormwater Testing and Evaluation for Products and Practices (STEPP) Initiative

STEPP seeks to improve water quality by accelerating the implementation and adoption of innovative stormwater management technologies by removing current barriers to innovation, creating regulatory confidence, minimizing duplicative performance evaluation efforts, and establishing a common framework for testing and evaluating both public domain and proprietary stormwater control measures. Learn more