The Magic Numbers

A look at the U.S. National Oceanic and Atmospheric Administration (NOAA) Atlas 14 study When stormwater professionals design projects to prevent flooding from rainfall, they need to know how much ...

Facial recognition AI sizes up hailstorms before they happen

Predicting the size and expected runoff volumes from hailstorms is notoriously difficult, according to researchers with the U.S. National Center for Atmospheric Research (NCAR). Because cloud systems that produce rain ...

Homeless shelters partner with Fairfax County, Va., to improve waterway health

People experiencing homelessness often have a difficult time securing work even when highly qualified. At the same time, municipal stormwater agencies working under limited budgets are always in search of ...


2020 National Water Policy Fly-In to focus on stormwater management issues

On April 27 and 28, 2020, water professionals and clean-water advocates from ...

What Are Your MS4 Needs?

Take the WEF Stormwater Institute’s 2020 MS4 Needs Assessment Survey In the ...

New WEF publication offers guidance on modeling tools and capabilities

Selecting the best-suited model to support stormwater projects can be complicated. Today’s ...

Latest News

Phoenix, Ariz., hosts inaugural Stormwater Awareness Week

During the last week of January, the importance of individual contributions to stormwater management took center stage in Phoenix, Ariz., as messages urging locals to avoid littering, to properly dispose of hazardous chemicals, and to clean up after their pets were posted throughout the city. The messaging was part of the City of Phoenix Water […]

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Survey reveals stormwater sector’s approaches, challenges

During WEFTEC 2019, more than 100 stormwater professionals attended Session No. 105: State and Future of Stormwater. The interactive, 90-minute session covered evolving stormwater regulations, ways to enhance collaboration across agencies and governments, and tips to help maximize the effectiveness of stormwater infrastructure. The session also offered an opportunity to survey the leaders driving innovation […]

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Attend the 2020 National Stormwater Symposium

Leading-edge stormwater professionals from around the world will attend the 2020 National Stormwater Symposium, now only weeks away. The symposium, offering three interactive workshops, two eye-opening tours, and 17 informative technical sessions, is a one-stop-shop for stormwater professionals to explore the new trends and technologies shaping today’s stormwater management landscape. “If you are a stormwater […]

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Words on Water podcast highlights stormwater awareness and workforce issues

Two recent podcast episodes detail how Water Environment Federation (WEF; Alexandria, Va.) stormwater programs are contributing to greater awareness of the stormwater sector’s investment needs and helping to bolster its workforce. The Words on Water podcast, created and hosted by WEF Communications Director Travis Loop, offers listeners firsthand perspectives from the professionals leading positive change […]

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USDA studies plant nursery runoff remediation

What’s the difference between a crop field and a large commercial plant nursery? As it turns out, very little — at least in terms of runoff generation. Although nurseries generally grow tree crops and ornamental plants in pots rather than fields, both field crops and nursery planters contribute to water pollution when rain washes excess […]

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Maryland partners with Opti and Walmart on ‘smart pond’ trials

With next-generation technology appearing in more and more parts of water resource recovery facilities, a new partnership in Maryland is considering an interesting question: Can implementing technology directly in retention ponds and other control features lead to more effective stormwater management? Making retention ponds smarter Typical stormwater retention ponds accept large volumes of water during […]

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USGS: Urbanization threatens biodiversity in southeastern U.S. streams

The U.S. Geological Survey (USGS) has released the results of a new study highlighting a looming threat to vulnerable marine life in the coming decades: urbanization. In the Piedmont region, which stretches from southern New York to central Alabama, the urban coverage of cities such as Washington, D.C., and Atlanta is expected to nearly triple […]

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What you need to know about starting a stormwater credit trading program

A new resource from Stormwater Currency guides trading-minded municipalities Just as municipal separate storm sewer system (MS4) permittees and others subject to stormwater regulations seek out the cheapest and easiest ways to achieve compliance, regulatory agencies have a vested interest in making compliance simpler without sacrificing environmental benefits. In a growing number of U.S. cities, […]

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New York City wetland project balances economy, ecology

In today’s urban development landscape, striking a balance between economic prosperity and environmental stewardship is increasingly difficult. If property developers fill wetlands and other natural landforms that accept stormwater runoff, provide habitat for wildlife, and control erosion, the result is often increased flooding and decreased biodiversity. On the other hand, development can stagnate if local […]

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Less pervious space does not necessarily mean more flash floods

Urbanization affects flash-flood risks differently in eastern and western U.S. For many water professionals, it may seem like Stormwater Management 101: As cities grow and develop over pervious spaces, stormwater runoff has increasingly fewer places to soak into and often flows into urban waterways. But how that extra runoff entering streams affects flash flooding may […]

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