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11

Improving a High Hazard Dam’s Safety with Difficult Site Access

Clifton Forge Dam is a high‐hazard potential concrete gravity dam located in western Virginia that provides municipal water supply to the Town of Clifton Forge and its surrounding service area. The Town has a population of nearly 4,000 and sits directly in the path of a hypothetical floodwave should the dam fail. Due to inadequate […]

12

Water Quality Modeling of an Urban Stream Using LSPC

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 […]

13

Floodplain Design, Construction, and Impacts on Flood Insurance

This course provides insight into the importance of proper foundation flood vents and dry floodproofing techniques for buildings located in a flood zone. It will identify FEMA Technical Bulletins 1, 2, and 3, the National Flood Insurance Program, ASCE 24, ICC, and Building Code regulations and standards as they relate to sustaining foundations and overall […]

14

As Time Goes By: Stormwater Facility Tracking and Management

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 […]

15

Oregon Avenue Watershed Green Streets

The Oregon Avenue Watershed Green Streets (OAWGS) project was part of the District Department of Transportation’s (DDOT’s) efforts to address requirements for stormwater retention in accordance with its MS4 permit issued by the Environmental Protection Agency (EPA). DDOT and its consultant team developed the OAWGS project to reduce runoff from streets within the 360-acre Oregon […]

17

One Water: Vision, Planning and Getting it Done!

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 […]

18

Compound Urban Flooding: The Emerging Hazard for Large Metropolitan Areas Located Along Tidal Rivers

Compound floods from the co-occurrence of multiple flood drivers like riverine flow, storm surges, sea-level rise, and extreme rainfall have impacted several cities across the United States (US) in recent years. Metropolitan areas located in the coastal regions of the US have become increasingly vulnerable to such flooding conditions due to their exposure to multiple […]

19

Master Planning for Flooding Improvement Opportunities

Identifying cost-effective opportunities to improve flooding conditions in urban settings is challenging.  One residential neighborhood located along Congers Creek within Rockingham County has struggled with frequent flooding events involving structural and roadway flooding.  Congers Creek is largely an open channel conveyance system with culvert crossings, but no FEMA floodplain has been mapped for the stream.  […]

20

Estuarine Water Quality Response Modeling for Tidal Flooding Susceptibility

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 […]