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The headwaters of Accotink Creek originate within the City of Fairfax (City). Accotink Creek is located within the Potomac River watershed, and its combined major tributaries account for approximately ten miles of stream throughout the City. As the City approaches the 3rd Phase of the Chesapeake Bay TMDL, there is an increased need for project […]
The concentration of organic matter (i.e., naturally or anthropogenic-derived carbon-based compounds) is an important water quality metric for drinking water managers because of its numerous effects on water quality, necessitating new and improved strategies for monitoring our freshwaters. Here, we studied two types of organic compounds in a Virginia drinking water reservoir. First, pharmaceutical and […]
Aquatic Informatics’ presentation will focus on the modernization of stormwater data management and the importance of data in managing flood events. We will highlight the experiences of two different regions, the City of Orlando in the Southeast coastal region of the US and the Toronto and Region Conservation Authority (TRCA) in Ontario, Canada. The presentation […]
The High Definition Stream Survey (HDSS) approach to waterway assessments was created to rapidly gather continuous geo-referenced data in a single pass for any size of stream or river. HDSS integrates GPS, video, depth, side scan imagery, velocity, and water quality information to enable a much more thorough understanding of the current and potential factors […]
As the City of Fairfax (the City) progresses through the 3rd Phase of the Chesapeake Bay TMDL, there is an increased need for project implementation to meet its Pollutant of Concern (POC) reduction requirements. The headwaters of Accotink Creek and its combined major tributaries are located within the City and offer significant TMDL project opportunities. […]
The current Virginia Impounding Structure Regulations require that a professional engineer licensed to practice in Virginia perform safety inspections according to the following schedule: High Hazard Dams: once every two years Significant Hazard Dams: once every three years Low Hazard Dams: once every six years All dams: after an overtopping event or after flows cause […]
Planning efforts to identify successful water quality improvement projects within the City of Virginia Beach has developed a wide range of planning documents. From GIS evaluations, to subwatershed evaluations, to that neighborhood project idea discovered on a random drive-by inspection, tracking all the possible BMPs and selecting the most cost-effective solution adds an element of […]
As we head into the second decade of meeting regulatory requirements related to the Chesapeake Bay TMDL, we have started to gain an understanding of the effects of time on our green infrastructure and stormwater management facilities. We’ve learned lessons about the importance of detail in design, construction methods, and maintenance that impact the longevity […]
Communication is likely the make it or break it factor in determining the success of your project. In our very technical engineering and science professions, the devil is clearly in the details. How well we communicate these details to our client, regulators, contractors, and design partners will determine our project’s success. No matter how exceptional […]
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 […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
