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As municipalities confront the escalating challenges posed by climate change, strategic planning emerges as a crucial tool for fostering adaptation and resilience. In the past decade, reputable sources have projected variations in rainfall, sea level rise, and other anticipated climate change impacts. Local planners are now eager to incorporate these projections into local models to […]
The Lake Bradford / Chubb Lake Drainage Improvement Plan is a multi-phase engineering project to alleviate widespread flooding due to moderate rain events and during periods of high tides in the Chesapeake Bay. The Little Creek Basin, located in the City of Virginia Beach, Virginia, consists of both residential and commercial areas, along with the Joint Expeditionary Base […]
To combat the challenges of increased storm intensity and sea level rise, the City of Virginia Beach Public Works Stormwater Engineering Center (City) is currently developing a Comprehensive Stormwater Master Plan (SWMP). The City has used several stormwater models that contain all the major drainage networks to identify areas where flooding is occurring, known as […]
The Integrated Flood Observing and Warning System (IFLOWS) has been a program housed within the Virginia Department of Emergency Management (VDEM) for 30+ years. The network was originally designed and funded by the National Weather Service (NWS) in the late 1970s and early 1980s in several Appalachian states including VA, WV, and KY. The primary […]
The City of Winchester owns and operates the Percy D. Miller Water Treatment Plant in Warren County, Virginia which pulls source raw water from the North Fork of the Shenandoah River. The Plant, and the associated low head sill dam, raw water intake and pumping station, were constructed in the 1970s and are the sole […]
One of the first steps in a dam rehabilitation is calculating the amount of runoff that enters the reservoir during its specific design storm. The hydrologic analysis of a dam includes assessing upstream sources of flow such as those from a single drainage area or discharge from an upstream dam. More complex drainage areas can […]
Municipalities along the east coast of the United States of America are the frontrunners in need of stormwater infrastructure retrofits, mainly due to the age of their crumbling infrastructure and increase in population. A common example of this issue are cities near the coast lines – more specifically a city in North Carolina near Pasquotank […]
Timmons Group is providing drainage and environmental improvement services to reduce water/flooding impacts along a major waterway in Danville, VA. The Dan River is a 214 mile long and 3,300 square mile river basin in the Roanoke River Basin. The City of Danville straddles the river that spikes by ~10’ in a 100-year storm and […]
As part of the City of Chesapeake’s Elbow Road improvement efforts, GKY and Associates, Inc. was tasked with creating an existing condition Stormwater Management Model (SWMM). The primary goal of this modeling effort was to help the City and its roadway designers better understand and accommodate drainage in the highly undeveloped, low-lying, and flat watershed. […]
A stormwater “Resilience Plan” identifies specific drainage improvement projects that could be constructed to improve flood resiliency – specifically for extreme storm events. Resiliency planning addresses how fast and efficiently a system recovers after a major event. Here, resiliency specifically refers to the ability of streets and land parcels to recover from flooding. Improving resiliency […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
