Tag: stormwater best management practice

Stormwater management BMPs are control measures taken to mitigate changes to both quantity and quality of urban runoff caused through changes to land use. Generally BMPs focus on water quality problems caused by increased impervious surfaces from land development. BMPs are designed to reduce stormwater volume, peak flows, and/or nonpoint source pollution through evapotranspiration, infiltration, detention, and filtration or biological and chemical actions.[9] BMPs also can improve receiving-water quality by extending the duration of outflows incomparison to inflow duration (known as hydrograph extension), which dilutes the stormwater discharged into a larger volume of upstream flow.

Rain Garden Monitoring

Rain Garden Monitoring

Rain gardens are a popular green infrastructure choice. But until recently, not much was known about their actual performance. That knowledge could help public and private entities decide where to use them, how to design and maintain them, and how to budget for them. Setting out to address that challenge,

Restoring a Link to Nature

Restoring a Link to Nature

Los Angeles, CA, is a city famous for its pavement. What other city lauds a mere concrete slab as a notable tourist attraction? However, apart from the landmark Hollywood Walk of Fame, life, like the concrete, can be a little harder. Mile upon mile of freeways and boulevards, punctuated by

Guest Editorial: 15 Reasons You Should Think Twice Before Using Percent Removal to Assess BMP Performance

More than a decade ago, members of the American Society of Civil Engineers (ASCE) Environmental and Water Resources Institute’s (EWRI’s) Urban Water Resources Research Council (UWRRC) identified a need to gather sufficient technical design and performance information and data to improve urban stormwater best management practice (BMP) selection and design

Culvertless Light-Duty Roadway Drainage in Arid and Semiarid Environments

Facility designers preparing drainage plans throughout the United States have several goals in mind when accomplishing their tasks: reducing erosion potential from concentrated stormwater runoff, enhancing drainage in low areas, protecting improvements that would otherwise be damaged by standing water, and providing the best affordable drainage solution. The techniques selected

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