DDOE Releases Proposed Rulemaking and Draft Guidance on Stormwater Management

On Aug. 10, the District of Columbia Department of the Environment (DDOE) published its Proposed Rulemaking on Stormwater Management and Soil Erosion and Sediment Control. Along with the proposed rule, DDOE also released a Draft Stormwater Management Guidebook. Public comment on the proposed rule and draft guidance is open until Nov. 8. The proposed rule is also described in more detail in an open-access Water Environment & Technology article — “Making Stormwater Retrofits Pay” — written by DDOE’s Brian Van Wye.

The District of Columbia is working to implement a precedent-setting stormwater permit with a 1.2-in. retention standard. The proposed rulemaking is an effort to create flexible compliance alternatives by providing offsite options. The proposed rule also creates a financial incentive through a trading program that uses Stormwater Retention Credits, which can be sold to regulated sites.

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