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NOT CAVING UNDER PRESSURE: An EMERGENCY CEMETERY STORMDRAIN REPLACEMENT Michael Hogan,1 PE, RK&K Gabriela Larus,2 PE, RK&K; Bill Boston, City of Richmond DPU Land subsidence at several graves within the Oakwood Cemetery in the City of Richmond prompted an urgent response from the City’s Department of Public Utilities. RK&K was given this emergency task to […]
MS4 audits often present local municipalities with a lot of questions. The goal of this presentation is to provide the audience with an understanding of what to expect before, during, and after one of these audits. GKY has recently had the opportunity to provide support to three Northern Virginia municipalities during their recent DEQ MS4 […]
The Sterns Creek, a tributary to the Western Branch Elizabeth River in Virginia, and its watershed with a drainage area of 2,350 acres covers 1,360 acres in the City of Chesapeake and 990 acres in the City of Portsmouth. The watershed in both the cities with residential and commercial properties suffers from recurring nuisance or […]
The amount of impervious cover in residential neighborhoods tends to gradually increase over time. Property improvements on individual parcels, such as detached garages, storage sheds, and extended driveways can significantly increase the imperviousness of individual parcels. However, the associated land disturbance associated with individual property improvements often falls below the minimum threshold size to require […]
This is an update on the City of Virginia Beach Lake Bradford/Chubb Lake drainage improvement program, a follow up from last year’s “Weir Here to Fix your Flooding!” presentation. This is a multi-phase program to mitigate widespread flooding caused by moderate to heavy rainfall and tidal events. The Little Creek Basin, located in the City […]
The City of Falls Church is a highly dense and urban municipality in Northern Virginia. Like many of its neighbors, flash floods in recent years have resulted in residents demanding increased focus on resiliency and flood mitigation to protect their homes from flooding. In response, the City has undergone extensive flood modeling efforts in several […]
Advanced stormwater modeling has had a huge impact on our industry over the last decade. Modeling has allowed us to analyze complex systems at a city-wide scale that was previously unthinkable. These models allow us to quickly identify the problem and facilitate the implementation of potential solutions. But are these solutions practical or even constructible […]
Under the Clean Water Act, Section 404(f)(1), certain specified activities that involve dredge and fill are exempt from permitting requirements. One of these specified exempt activities is “Maintenance (but not construction) of drainage ditches”. A “drainage ditch” is defined in 2020 joint Environmental Protection Agency Army Corps of Engineers memo as “a ditch where increasing […]
As water managers and engineers, it’s important to understand our watersheds, the urban landscapes, and their response to extreme events like heavy precipitation and rising surface water levels. These events can impact property, municipal infrastructure, and water quality. Of the numerous tools at our disposal, there are many benefits to continuous water monitoring systems, including […]
There exists much uncertainty in the watershed management community – unprecedented flooding events, rising seal levels, evolving regulations, funding accessibility, and even the Covid pandemic. Virginia municipalities are tasked with maintaining and improving water-related infrastructure. They must make sound decisions to best utilize funds amid deep uncertainty associated with climate change as well as population, […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
