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MS4 Stormwater Permitting Guide

The MS4 Stormwater Permitting Guide is a tool for utility and stormwater professionals either navigating the permitting process for the first time or the expert looking to answer advanced MS4-related questions.

The Guide tackles timely and relevant stormwater issues such as permit terms, the Maximum Extent Practical (MEP) standard versus water-quality standards, water quality trading in the context of stormwater, post-construction needs, and more.

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