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Modified sand treats stormwater, protects groundwater

A research team from the University of California–Berkeley (UCB) is exploring how alternative water sources, such as stormwater, could be repurposed to help keep aquifers brimming. Joseph Charbonnet, a UCB graduate student and the lead author of a study that recently appeared in the journal Environmental Science & Technology, claims that a new treatment medium […]

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U.S. EPA seeks input on regulatory approach for managing excess flows

The U.S. Environmental Protection Agency (EPA) will host three public listening sessions to seek input on a rulemaking effort aimed at providing certainty surrounding the management of peak wet weather flows at certain municipal wastewater treatment plants. “EPA is taking action to provide municipalities with sought-after regulatory certainty so that facilities can optimize wastewater treatment […]

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Digital stormwater management puts valuable information in the cloud

Starting in early 2017, citizens curious about how Chicago’s bioswales and porous asphalt handled storms could log on and watch real-time data upload to their screens. Though the portal is no longer being updated, the test project it represented was a success. This May, the City Tech Collaborative, based at the UI LABS nonprofit research […]

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University of Arizona researchers take a fresh look at an age-old agricultural myth

A theory in debate since the mid-1800s holds that disturbing the soil in dry regions through agriculture allows rain to seep into the ground, raising moisture in the area and eventually coaxing more rain to fall. In other words, according to the University of Nebraska–Lincoln Center for Great Plains Studies, “rain follows the plow.” Support […]

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2018 U.S. EPA Campus RainWorks Challenge now open for registration

The U.S. Environmental Protection Agency’s (EPA) annual Campus RainWorks Challenge is now accepting registrants until Sept. 30. This annual competition seeks to engage with the next generation of environmental professionals; foster a dialogue about effective stormwater management; and showcase the environmental, economic, and social benefits of green infrastructure practices. To participate in this competition, teams […]

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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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