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In the most recent updates to the Expert Panel guidance for stream restoration TMDL Protocol calculations, site specific sediment sampling was introduced as a new requirement for Protocols 1 and 5. This presentation will discuss the new sampling guidance, identify areas where the guidance lacks detail, and provide examples of how the guidance is applied. […]
During the construction of I-66 through Arlington County in the early 1980’s, a detention pond was constructed to control runoff from I-66 for storms up to the 100-year storm. Over time, the pond became silted in and overgrown with invasive plant life. Arlington County sought to restore the pond and bring it back to its […]
The Oakdale drainage area is located in the South Norfolk Historic District in the City of Chesapeake. This stormwater basin is primarily comprised of residential properties that were developed in the first half of the 20th century. In recent years, this area has begun to experience a higher frequency of flooding events, likely due to […]
More than 450,000 brownfields have been identified by the EPA in the U.S. for redevelopment and reuse, one of which is the South River within the City of Waynesboro. Previously owned by Dupont, the river and surrounding areas have been impacted by industrial practices and presence of hazardous substances, pollutants and contaminants. In conjunction with […]
Under a Stream Stabilization/Restoration, Environmental, Permitting & Ancillary Services Basic Ordering Agreement, Stantec was awarded a Task Order by the Fairfax County Department of Public Works and Environmental Services (DPWES) to provide Stream Restoration and Stormwater Best Management Practice (BMP) Retrofit Design and Construction Administration services for the Leigh Meadow / Towlston Basin project in […]
Aberdeen Gardens is a residential neighborhood and National Historic District located in Hampton, VA with a history of flooding given its proximity to both Aberdeen Creek, which bisects the neighborhood, and Newmarket Creek which abuts the southern end of the neighborhood. Many of the homes were built near both tidally influenced creeks and within the […]
The City of Virginia Beach is faced with the challenge of providing flood control and stormwater drainage services while complying with stormwater management regulations, surface water quality requirements, and climate stressors that are increasing the intensity and frequency of large storms and sea level rise. These conditions have led to increased occurrences of moderate to […]
In 2012, the US Army Corps of Engineers authorized a comprehensive study completed by the City of Norfolk that resulted in the development of structural, non-structural, and nature-based measures to manage coastal storm risk in Norfolk. In order to implement projects identified within the study, USACE requires the City to prepare a Floodplain Management Plan […]
Unmanned Aerial Systems (UAS), commonly referred to as drones, have become a popular tool used by engineering, environmental, and construction companies for site monitoring. UAS provide real-time data before, during, and after construction, helping projects to succeed on-time and as efficiently as possible. Wetlands Studies and Solutions (WSSI) has had success with the use of […]
In 2022, Fairfax County utilized GIS spatial data to develop flood risk tools to identify potential sumps and overland relief paths. In 2023, those tools were applied to reassess the past 30 years of reported flooding in Fairfax County and are now being rolled out to allow the public the ability self-assess their own risk […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
