Design Considerations Common To All Permeable Pavements
Impervious cover in watersheds without controls result in increased stormwater runoff and decreased groundwater recharge in response to rainfall events. This increased runoff can be the...

Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland
As an increasingly adopted stormwater best management practice to remedy hydrologic impairment from urban imperviousness, bioretention facilities need rigorous field performance research...

Asphalt Parking Lot Runoff Nutrient Characterization for Eight Sites in North Carolina, USA
The objectives of this study were to characterize asphalt parking lot runoff quality and determine factors influencing nutrient concentrations and loads. Event mean concentrations (EMCs)...

Estimation of Curve Numbers for Concrete and Asphalt
All impervious surfaces are assigned a Curve Number (CN) of 98. However, no field or experimental evidence exists (to our knowledge) that shows why the impervious CN was assigned a value...

Hydrologic Comparison of Four Types of Permeable Pavement and Standard Asphalt in Eastern North Carolina
A permeable pavement parking lot in eastern North Carolina consisting of four types of permeable pavement and standard asphalt was monitored from June 2006 to July 2007 for hydrologic...

Diffuse Pollution in Oxford (Ohio, USA) Watershed and Performance of Street Sweeping as a Best Management Practice (BMP)

Evaluating Cryptosporidium and Giardia in Urban Stormwater

Lamb Island Tributary Stormwater Treatment Project — A Demonstration Site for Agricultural Runoff Management and Best Management Practices

Relationship of Hydrologic Soil Groups to Curve Number: Results of a Study

Effects of Prior Rainfall and Storm Variables on Curve Number Rainfall-Runoff

Plot and Small Watershed Scale Modeling of Infiltration and Runoff on a Semiarid Grassland Using Distributed Green and Ampt Infiltration Parameters

Firepower
The processes put in place by water utilities are designed with the quality of water normally received for treatment in mind. But the runoff from areas ravaged by fire can degrade that...

A Retrofit for Long Lake
To reduce the effects of storm-water runoff on Long Lake, in Littleton, Massachusetts, the town is implementing a variety of low-impact solutions within the lake's highly...

Assessing Long-Term Pollutant Concentration Trends in Urban Runoff for TMDL Planning and Regulatory Assessment
Loads of some pollutants in many urban watersheds include a substantial component originating with non-point sources and stormwater runoff. TMDL planning includes estimating those loads,...

Panel Discussion on Stormwater Issues in Pennsylvania
The management of stormwater in Pennsylvania has radically changed over the last several years due to the concern of the citizens of the Commonwealth, and the advent of NPDES Phase II....

Storm-Water Strategy
Water pollution laws are certainly nothing new, but increased public scrutiny, beach closures, and media coverage—particularly in Orange County, California—have placed new pressures on...

A Guide for Best Management Practice (BMP) Selection in Urban Developed Areas
With the ongoing NPDES Stormwater Permits, TMDL programs, and the increase in environmental awareness, many municipalities are challenged to address the relatively new concept of cleaning...

Sharp Curves
In Madison, Mississippi, just north of Jackson on Interstate 55, a diamond interchange with State Route 463 has become a bottleneck for commuters and local motorists. But the typical solution—a...

Native American Imprint
Following a design phase of more than four years, construction has finally begun on the Smithsonian Institution's National Museum of the American Indian, which will occupy...

How the Impacts of Urbanization Are Being Addressed in the Los Angeles River Watershed
Due to an increased interest and concern about the Los Angeles urban environment, studies have begun to focus on the local water cycle and the impact of impervious land on the Los Angeles...

 

 

 

 

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