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Expert Panel Report

Frequently Asked Questions for Stormwater Performance Standards and Retrofit Expert Panel Reports

Published on May 12, 2026
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This is a companion document to the expert panel reports on on the retrofit and performance standards expert panel reports that clarifies how the practices will be credited, identifies who the state stormwater contacts are, outlines the reporting and tracking requirements for NEIN and Scenario Builder, corrects errata, and provides any state-specific decisions/interpretations on how the reports are to be properly used.

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