Cemex USA will upgrade stormwater management at three southern California ready mixed operations as part of an agreement with Inland Empire Waterkeeper, Los Angeles Waterkeeper and Orange County Coastkeeper to resolve an ongoing dispute regarding the groups’ claims of Clean Water Act violations. The producer is revising best management practices (BMP) at Irvine (Orange County), Fontana (San Bernardino County) and Compton (Los Angeles County) plants and bringing water-testing protocols beyond current requirements. The agreement also calls for Cemex to contribute $55,000 to identify and fund future environmental-mitigation projects through third-party groups Rivers and Lands Conservancy, Pacific Marine Mammal Center and From Lot to Spot.Read More
Sources: Environmental Protection Agency; CP staff
Open for registration throughout September, EPA’s fourth annual Campus RainWorks Challenge compels undergraduate and graduate students to design green infrastructure systems to reduce stormwater pollution. Such systems include permeable pavement materials, rain-harvesting vessels and vegetated green roofs. Along with companion practices, EPA notes, they decrease pollution to local waterways by treating rain where it falls and keeping polluted stormwater from entering sewer systems; increase economic activity, neighborhood revitalization, job creation, and open space; and, reduce local water infrastructure burden, urban heat island effect and energy consumption.Read More
With the advent of public and private property owners’ voluntary or permit-driven measures to contain stormwater runoff or limit municipal sewer discharges, Spancrete has announced a pervious precast slab, fabricated with its signature, prestressed hollow core plank machinery. The Wisconsin producer cites a potential for the RePlenish product to revolutionize stormwater management in sidewalks, alleys and parking lots by reducing runoff and filtering captured flows.