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Stormwater wetlands perform well in reducing peak flows and pollutant removal when properly designed and constructed. These wetland construction guidelines are based on experience gained at more than 30 sites across North Carolina.
A rainwater harvesting system captures stormwater runoff, often from a rooftop, and stores the water in a cistern for later use. In this guide for homeowners, the authors describe the components of a rainwater harvesting system and how they work together. Guidelines for choosing, sizing and installing the components are included.
This publication discusses the presence of various pollutants in rooftop runoff and establishes some general guidelines regarding the use of collected rainwater in North Carolina.
This publication focuses on stormwater wetlands: their function, effectiveness, design,advantages and liabilities and costs.
These new design guidelines for stormwater wetlands focus on four design points: internal wetland zones, herbaceous plants that thrive in stormwater wetlands, a proper growing medium, and the importance of a flexible outlet structure and its construction.
This publication presents maintenance guidelines for stormwater wetlands and wet ponds, two stormwater practices that are being constructed across North Carolina. Stormwater management practices must be kept in proper working order to maintain their intended functions and aesthetic appeal.
This publication describes structural stormwater practices that filter and reduce stormwater runoff from residential and commercial developments: permeable pavements, green roofs and cisterns. The practices described can be used in low-impact development to conserve a site's natural response to rainfall.
This design bulletin for stormwater wetland designers and managers introduces the concept of ecosystem services, reviews how stormwater wetlands provide many of these services and describes how wetland design can enhance ecosystem services.
Controlling pathogens in runoff presents a growing challenge for stormwater managers and designers. This fact sheet provides an overview of pathogens: what they are, how they affect people, and how they are regulated; describes their association with stormwater runoff; and investigates stormwater management practices that may limit pathogen presence in surface waters.
In this publication, we summarize the current research and describe construction methods that developers can use to more effectively meet the goals of low impact development and stormwater management.