Stormwater Runoff & Urban Hydrology Analytics Unit

Aquatic Systems, Drinking Water & Watershed Protection

Unit Mandate

Mission & Operational Scope

Analyzes urban stormwater runoff quality and quantity, designing green infrastructure interventions and enforcing MS4 permit requirements to reduce pollutant loading to receiving waters and mitigate urban flooding.

Doctrine

EPA Phase I and II Stormwater Rules · Clean Water Act Section 402(p)

Core Capabilities

Operational Capabilities

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MS4 (Municipal Separate Storm Sewer System) permit compliance monitoring

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Stormwater pollutant loading modeling (SWMM, SWAT)

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Green infrastructure (bioretention, permeable pavement, green roofs) performance assessment

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First-flush pollutant characterization and event mean concentration analysis

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Illicit discharge detection and elimination (IDDE) program support

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Urban heat island and impervious surface cover analysis

Return to

← Environmental Studies Directorate

Division II

Aquatic Systems, Drinking Water & Watershed Protection