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First-ever NMSA State of Stormwater report highlights common challenges for U.S. MS4 permittees

The National Municipal Stormwater Alliance (NMSA; Alexandria, Va.), a group of municipal separate storm sewer system (MS4) permittees from around the U.S., released its first annual state-by-state review of MS4 program updates, challenges, and needs on Aug. 13. The 2018 NMSA State of Stormwater report analyzes the effectiveness of MS4 programs in 14 states and […]

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Biofiltration scores big in sports stadium runoff treatment

A self-sustaining biofiltration system prevents flooding in San Francisco’s sport stadium and protects the nearby San Francisco Bay and freshwater resources from stormwater pollutants. Mark Lehnerz of Oldcastle Precast explains how. A large construction project such as a major-league sports stadium can include significant expanses of runoff-generating hardscapes. A venue capable of seating nearly 70,000 […]

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New Orleans offers green-infrastructure grants to residents of flood-prone Gentilly neighborhood

Located along the shore of Lake Pontchartrain, New Orleans’ low-lying Gentilly neighborhood has been a hotbed of flood-control innovation in recent years. As the city’s first “resilience district,” municipal government organizations are collaborating to invest more than $140 million into Gentilly to demonstrate groundbreaking pilot projects that address the area’s chronically stressed drainage systems and […]

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NGICP involvement prepares water associations for the future of stormwater

Since its creation in 2016, the National Green Infrastructure Certification Program (NGICP) has bestowed credentials to more than 350 water professionals who have demonstrated the skills and knowledge needed to design, build, and maintain cutting-edge green stormwater infrastructure. As the first-of-its-kind certification program expands, Water Environment Federation (WEF; Alexandria, Va.) Member Associations (MAs) may now […]

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Pacific Institute report summarizes challenges, successes of stormwater capture in California

As natural water sources dwindle, communities across California increasingly rely on imported water. Climate change soon could make water supplies even more scarce. While experts predict droughts in the region to become more common, rainfall also is expected to become heavier and more frequent. A report released by the Pacific Institute (Oakland, Calif.) in June […]

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Analyzing alternatives for managing stormwater

The site of a former Ford Motor Company plant along the Mississippi River in St. Paul, Minnesota, U.S., offers a prime location for redevelopment. Authors Bob Fossum, Wes Saunders-Pearce, Nathan Campeau, and Matt Metzger explain the decision-making process used to estimate the benefits and costs of two different approaches for managing runoff from the site. […]

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2018 National Municipal Stormwater and Green Infrastructure Awards open for nominations

The Water Environment Federation (WEF) is now accepting applications for the 2018 National Municipal Stormwater and Green Infrastructure Awards Program. Phase I and Phase II municipal separate storm sewer system (MS4) permit holders are invited to submit a nomination. The National Municipal Stormwater and Green Infrastructure Awards program, developed and introduced in 2015 by the […]

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Los Angeles Zoo plans drought-proof water strategy

One Water LA calls for increased use of municipal recycled water at the Los Angeles (LA) Zoo to reduce reliance on potable water. Authors Eliza Jane Whitman of EW Consulting Inc.; Ali Poosti, Lenise Marrero, and Flor Burrola of the City of Los Angeles, LA Sanitation; and Darryl Pon of the Los Angeles City Zoo […]

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Standing guard around trees to increase stormwater infiltration

Trees can pack a big punch when it comes to reducing stormwater. But Robert Elliott, former Columbia University (New York) graduate student and co-founder of Get Urban Leaf (New York), believes there is untapped potential for using trees to manage runoff in cities. He led a university study that provides urban planners with information that […]

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Storms as destructive as Hurricane Harvey projected to happen more frequently

When Hurricane Harvey inundated eastern Texas late last August, the eye of the storm loitered over land for nearly a week rather than dispersing as it moved farther from the ocean, as most hurricanes do. The result was a stronger, more destructive storm, which dropped a record-breaking 127 cm (50 in.) of rain and directly […]

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