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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. […]
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 […]
Saddle River is a 16.3 miles long major tributary of the Passaic River in New Jersey. The watershed consists of approximately 60 square miles of developed urban area with extensive residential land use, and two wastewater treatment plants (WWTPs) discharging into Hohokus Brook, a large tributary. New Jersey DEP (Department of Environmental Protection) and USGS […]
Discuss methods for the use of land coverage changes to generate TMDL credits for compliance with the Chesapeake Bay TMDL Action Plan. Touch on the funding mechanisms that allow the conversion to be of little or no cost to the participant.
After the release of the ASCE Manuals and Reports on Engineering Practice No. 150: Total Maximum Daily Load (TMDL) Development and Implementation – Models, Methods, and Resources, in February 2022, the Task Committee on EWRI TMDL Analysis and Modeling continues its work to advance the state-of-the-practice in TMDL development and implementation planning and address emerging […]
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. […]
Many factors are currently driving the need for water and wastewater utilities to take a more holistic view of the systems they operate and the water resources system in which they are embedded. Some of these factors include growth and redensification, regulatory uncertainty, climate uncertainty and vulnerability to hazards, growing social equity demands and environmental […]
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 […]
This study investigates estuarine water quality response to coastal flooding in the Mason Creek in Norfolk, Virginia. The Mason Creek basin connects to Willoughby Bay which eventually reaches the Atlantic Ocean, serving as a primary drainage basin for both point and nonpoint source loadings from the Norfolk Naval Base and surrounding residential communities, and commercial […]
Municipal Separate Storm Sewer System (MS4) Permittees in Virginia, including the Pentagon, are required to comply with state-mandated pollutant load reductions as outlined in their Virginia Pollutant Discharge Elimination System (VPDES) MS4 permits issued by the Virginia DEQ. Washington Headquarters Services (WHS) is the operator of the Pentagon’s MS4 Program and is responsible for compliance […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
