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The Ashville Park Drainage Improvements Phase I is the first of a comprehensive, multi-phased strategy aimed at mitigating recurrent tidal and storm flooding in the Ashville Park Neighborhood in Virginia Beach, Virginia. Addressing the challenges posed by unpredictable wind-driven tides, which operate independently of normal lunar tides, is crucial. These tidal events significantly reduce the […]
The City of Virginia Beach is working hard to help the public better understand stormwater runoff and how stormwater runoff is managed. The latest techniques include brochures created specifically for individual projects, project specific web pages and 1-minute YouTube Videos that explain how stormwater protection works. Current YouTube topics include: How It Works – Stormwater […]
Routine inspection and maintenance activities are essential for preserving the stability and functionality of Stormwater Management Facilities (SWMFs), sometimes referred to as Best Management Practices (BMPs). The goal of this presentation is to describe methods used to establish a modern SWMF/BMP Inspection and Maintenance (I&M) Program based on Brown and Caldwell’s firsthand experience. Establishing an […]
The City of Fairfax began a public education campaign in Fall 2021 related to its proposed Stormwater Utility (SWU), a fee-for-service mechanism that would create a dedicated funding source for the City’s stormwater management capital needs. Under the proposed SWU, private property owners would be assigned one Billing Unit (BU) per 500 square feet of […]
Many of Virginia’s regulated MS4s face ongoing challenges with compliance targets, including the upcoming 2023 and 2028 Chesapeake Bay TMDL implementation schedule. Along with other MS4-based programming, communities are also seeing additional challenges emerge for drainage improvements and other infrastructure-based needs that transcend regulatory compliance and get more to community service delivery expectations. As rainfall […]
Multi-core computer processing has made remarkable advances over the past three years and is now practically and affordably within reach of all modelers—not just those with big budgets. However, reaping the benefits of 32-, 64-, or 128-core CPU power in 2021 is not as straightforward as purchasing a dandy computer, installing software, and having at […]
In 1989, design plans were approved for a large underground detention facility to manage the stormwater runoff for a commercial shopping center in Loudoun County. That facility was designed as a 96-inch diameter, 300-foot long triple Corrugated Metal Pipe (CMP) underground detention BMP located about 20 feet below ground surface. As with most CMPs, it […]
The City of Alexandria, VA, was the first locality in the Commonwealth to develop and implement a locally administered flood mitigation grant program providing financial assistance to residents for the installation of eligible flood mitigation efforts. Launched in August 2021, following the effective date of state enabling legislation, the City’s pilot program provided a 50/50 […]
A ‘High Hazard’ dam has the potential to cause loss of human life or damage to critical infrastructure if there were to be a failure of the structure. These structures require regular monitoring and specific observations during flood watch alerts and other high-risk events per the Virginia Dam Safety Act and outlined in the required […]
Douglass Memorial Cemetery was established in 1895 as a segregated, nondenominational African American cemetery and it currently experiences frequent flooding which threatens the preservation of this historic burial ground. The City of Alexandria has engaged a team of engineers and archaeologists to evaluate the cause of the flooding and to develop solutions that are respectful […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
