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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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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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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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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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Lessons learned at Empire facility guide state policies

The Metropolitan Council Environmental Services’ (MCES) visionary leadership and close collaboration with regional partners have been key to advancing integrated water management in the US state of Minnesota. Karen Jensen and the MCES team explain how the process began with the Empire water resource recovery facility expansion project. Expansion of the Empire water resource recovery […]

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Tell SWI about your MS4 needs

The Water Environment Federation Stormwater Institute (SWI) needs your help to identify the information and resources municipal separate storm sewer system (MS4) permittees need to run an effective and efficient MS4 stormwater program. This first-of-its-kind survey seeks to understand and quantify the challenges the regulated municipal stormwater community faces, so resource solutions can be directed […]

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U.S. EPA to change rule-making process for wastewater blending

The U.S. Environmental Protection Agency (EPA) announced in April that it will work with states, municipalities, and subject-matter experts to set public health and safety standards for wastewater blending. The Water Environment Federation (WEF; Alexandria, Va.) will provide EPA with guidance and comments during the rule-making process. Wastewater blending is a procedure that water resource […]

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China embarks on massive stormwater projects to plan for future water risks

China is midway through its decades-long South—North Water Transfer Project, a massive system of aqueducts intended to convey 44.8 billion m3 (11.8 trillion gal) of fresh water each year from China’s rural, rainy south to its drier and more urbanized north. However, the country also is exploring far-reaching ways to use stormwater as the basis […]

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Study: To combat toxic algal blooms, focus on phosphorus

The results of an experiment spanning nearly a half-century at the International Institute for Sustainable Development (IISD; Winnipeg, Manitoba, Canada) claim that if water stewards want to stem the growth of harmful algal blooms, they should focus on phosphorus rather than nitrogen. The discovery, made by the same research organization credited with identifying phosphorus as […]

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Boston releases 50-year floodproofing plan to meet climate risks

Boston was built on climate resiliency planning. Early residents gradually filled in low-lying Atlantic Ocean tidelands as the city expanded. They turned small islands and peninsulas into neighborhoods high enough above sea level to prevent flooding from typical tides and storms. Today, some of these areas, such as East Boston and Charlestown, are among the […]

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