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Although one of the most common stormwater control measures for managing roadway runoff, increased demand for urban stormwater control has resulted in the evolution of swale types. This publication proposes standard definitions for swale terminology for consistent application across communities.
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 ways in which mosquitoes could become a problem for rainwater harvesting systems and provides solutions and preventative measures to protect cisterns, rain barrels, and other rainwater collection systems from becoming havens for mosquitoes.
This publication provides plant recommendations for infiltrating wet ponds constructed in areas with sandy soils. Plants in these areas must be able to withstand periods of both drought and inundation due to the nature of the soils.
Stormwater retention ponds, or wet ponds, are common in North Carolina for managing both flooding and stormwater runoff. However, many older wet ponds fail to meet current water quality standards. Floating Treatment Wetlands (FTWs) can be a solution to enhance pollutant removal and improve water quality. This publication provides an overview of FTWs, their benefits, and installation and maintenance.
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.
This factsheet provides a review of strategies for designing and maintaining stormwater facilities to limit mosquito populations.
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.
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.
A pump for the cistern or tank of a water-harvesting system can increase the system's uses significantly. In this publication get step-by-step guidance on how to choose a pump to best suit the system.
As the use of permeable pavement increases in North Carolina, practitioners can look to research findings for guidance. Recent research in North Carolina and elsewhere has focused on four aspects: runoff reduction, clogging, long-term hydrology and water quality. This overview highlights research findings, discusses research implications, and provides direct links to the research.
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.
