U.S. cities are revamping how they handle stormwater to reduce flooding and capture rainfall and recharge aquifers.
New policies reflect a change in mindset from treating stormwater as a nuisance to be quickly diverted away to capturing it as a resource. U.S. urban areas generate an estimated 59.5 million acre-feet of stormwater runoff per year on average, equal to 53 billion gallons a day. That much water is equal to 93% of the country’s total municipal and industrial water use.
In Los Angeles, the nonprofit Trust for Public Land has been removing impervious surfaces in alleys and school grounds and replacing asphalt with natural infrastructure, including trees and pervious surfaces.
In the eastern part of the country where rainfall is more plentiful, cities including New York and Pittsburgh are installing green solutions such as rain gardens and bioswales. Cities are also instituting stormwater fees, charging landowners based on the area of impervious surfaces on a property. More cities are also using permeable pavers for sidewalks and parking lots.
Recharging aquifers via more permeable surface areas not only makes more groundwater available, but it also helps prevent land subsidence that can cause buildings to slowly sink.
Related Stories
Digital Twin | Dec 20, 2021
Groups ally to advance augmented reality and digital twin technology
AREA and Digital Twin Consortium to work on improving how technology components interoperate.
Codes and Standards | Dec 20, 2021
Tension rises in California over state’s push to build more housing
Attorney general hints at lawsuits against cities that don’t comply with zoning reform.
Codes and Standards | Dec 17, 2021
Tension rises in California over state’s push to build more housing
Attorney general hints at lawsuits against cities that don’t comply with zoning reform.
Codes and Standards | Dec 16, 2021
Home builders defeat proposed Oklahoma energy conservation code upgrade
Builders cite high home prices for opposition.
Codes and Standards | Dec 16, 2021
Laws and regulations complicate growth of community solar gardens
New projects stymied by utility resistance and legislative restrictions.
Codes and Standards | Dec 16, 2021
Property owners need systematic approach to GHG emissions reduction
Energy hog buildings at risk for becoming stranded assets.
Codes and Standards | Dec 15, 2021
Design problems now the primary cause of construction claims and disputes
More likely to occur due to more tight timescales imposed upon third parties engaged in design.
Codes and Standards | Dec 13, 2021
ABC releases guide to technology for improving safety performance
Provides details on how to identify, choose, and implement technology.
Codes and Standards | Dec 8, 2021
Construction industry is the top target for cyberattacks
Smart building tech is a new avenue for criminals.
Codes and Standards | Dec 8, 2021
Proposals to add more multifamily to Atlanta prompt drive for Buckhead to secede
City aims to increase housing as projections point to sharp population increase.