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Little Creek Dam is owned and operated by Newport News Waterworks. It is a 1,900-foot-long, High Hazard structure located in James City County, Virginia constructed in 1980. The dam consists of an earthfill embankment with three benches along the downstream face, a concrete swale along the right abutment, a riprap swale along the left abutment, […]
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 […]
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 […]
This session explores emerging reality capture technologies (LIDAR scanners, UAV’s, and 360° camera systems) and their applications in environmental and construction monitoring. A brief discussion will be held on each of these specific technologies and what function they serve. Once attendees are introduced to reality capture and understand its capability, a thorough discussion on the […]
Changes in intensity and frequency of temperature and precipitation provide more extreme parameters that our stressed, and often aging, infrastructure will need to overcome. These changes can mean a dramatic difference in real-time conditions within the watershed that test and potentially exceed the limits of infrastructures’ original design capacity. It is important to understand and […]
The City of Virginia Beach has completed the Upper West Neck Creek Drainage Basin Stormwater Master Plan (UWNC DB SWMP) which encompasses approximately 20 square miles and includes over 100 simulated flood areas (SFAs). This is the first large drainage basin completed since the Linkhorn Bay Drainage Basin Stormwater Master Plan case study (approximately 3 […]
Traditional engineered bank stabilization techniques such as riprap armoring and gabion baskets are commonly used as stream stabilization solutions in places where spot fixes are preferred over a more comprehensive stream restoration design. This is especially true is areas where existing infrastructure is compromised or failing, where stream banks are encroaching on private property, and […]
Aging infrastructure and impacts from climate change have recently accelerated the need for maintenance and demolition of dams across the country. The College Lake Dam in the City of Lynchburg, Virginia is a local example of the threat that aging, outdated dams can pose to public safety and river health. In the last 50 years, […]
Through a grant from the Chesapeake Bay Foundation, Mr. Rissmeyer is the lead designer for retrofitting existing church parking lots at Branch’s Baptist Church in Southside Richmond to maximize water quality benefits. The project takes advantage of underutilized and deteriorating parking lots by their removal to then make room for stormwater best management practices (BMP’s). […]
The Chattahoochee River National Recreation Area (CRNRA) has challenges protecting the health of the river as a result of runoff from land development, wastewater overflow, and impacts from the regulated water discharges of Buford Dam. To help better manage the river, the National Park Service needed to continuously document the streambank and channel conditions on […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
