Abstracts – Virginia Lakes and Watersheds Association

Session 1A – Stormwater 1

City of Portsmouth Olde Towne Pump Station

The City of Portsmouth’s Olde Towne Historic District experiences…

Between a Rock and Hard Place: Rehabilitating a Storm System Around a Difficult Site

A storm system in the city of Suffolk, VA requires a structure…

What is “Positive Grade” – Draining Neighborhood Streets in Hampton Roads

Timmons Group is providing drainage and street improvement services…

Session 1B – Data Collection and Management 1

As Time Goes By: Stormwater Facility Tracking and Management

As we head into the second decade of meeting regulatory requirements…

How Stable is Your Site, A Drone’s Eye View

Unmanned Aerial Systems (UAS), commonly referred to as drones,…

A Bird’s Eye View: Efficiencies of Drone Use on Large-Scale Construction Sites

Unmanned Aerial Systems (UAS), commonly referred to as drones,…

Session 1C – Floodplain Management 1

Balancing Stream Restoration with Floodplain Ordinances

As streams incise and erode, their vital interaction with the…

eLOMA – A Collaborative Tool for Licensed Professionals, Communities, and FEMA

The Federal Emergency Management Agency’s (FEMA) eLOMA (Electronic…

NFIP Transformation Updates

This presentation will highlight major Program changes that are…

Session 1D – TMDLs

The Use of Nutrient Credit Acquisition Using Private Exchanges to “Buy” COVID-19 Recovery Time for MS4 Chesapeake Bay TMDL Pollution Reduction Compliance

The Commonwealth of Virginia’s November 2010 Chesapeake Bay…

Federal Funding Opportunities: Case Studies Involving Chesapeake Bay TMDL and Resiliency

Under Section 22 of Water Resource Development Act (WRDA) of…

TMDL Sediment Sampling for Stream Restoration’s Protocols 1 and 5

In the most recent updates to the Expert Panel guidance for stream…

Session 1E – Ecosystem Restoration

Northern Virginia Stream Restoration Bank (NVSRB) – Wetland Success?? Case Study of an Urban Stream Priority 1 Restoration Project Restoring Riparian Wetlands

Wetland Studies and Solutions, Inc. (WSSI), a Davey Company,…

Engineered Ecosystems, a Cyborg Approach to Ecosystem Restoration – Grand Lake St. Mary’s Littoral Wetland Restoration

Direct modification of an ecosystem as a whole is beyond the…

Snakeden Branch at Lake Audubon Stream Restoration: A Tale of Constraints, Creativity, and Collaboration

Under a Stream Stabilization/Restoration, Environmental, Permitting…

Session 2A – Stormwater 2

Stormwater Management Issues: Are We Doing the Right Thing When Dealing with Seemingly Insignificant Increases in Impervious Areas?

Any addition of impervious area within a watershed, big or small,…

Well, That’s Disturbing…

Whenever someone asks us what the stormwater management requirements…

Making Waves in Stormwater Master Planning: A Case Study on Project Prioritization in Linkhorn Bay

To combat the challenges of increased storm intensity and sea…

Session 2B – Data Collection and Management 2

Using Geofluvial Principles to Inform Sewer Stream Crossing Identification

The Fairfax County Department of Public Works and Environmental…

Flood Watch Monitoring and Observations for a High Hazard Dam – a Microsoft O365 Solution

A ‘High Hazard’ dam has the potential to cause loss of human…

Communication is Key

Communication is likely the make it or break it factor in determining…

Session 2C – Floodplain Management 2

Environmental Services Strategic Plan Development and Implementation

The role of the eight coastal planning district and regional…

Master Planning for Flooding Improvement Opportunities

Identifying cost-effective opportunities to improve flooding…

Flood Mitigation in Roanoke’s Central Business District

The City of Roanoke’s Central Business District (CBD) is an…

Session 2D – Water Quality Modeling 1

Water Quality Modeling of an Urban Stream Using LSPC

Saddle River is a 16.3 miles long major tributary of the Passaic…

Prescribing Runoff-Related BMPs in the Rock Creek Watershed of Washington, D.C.

In the face of increasing average annual rainfall totals, Washington,…

Total Maximum Daily Load Analysis and Modeling: ASCE Manual of Practice

The Total Maximum Daily Load (TMDL) Analysis and Modeling Task…

Session 2E – Rural and Agricultural Issues 1

2021 Update-Phase III of the Chesapeake Bay Watershed Implementation Plan, Agricultural Sector Goals and Actions Part 1

One year after sediment and nutrient reduction goals were finalized,…

2021 Update-Phase III of the Chesapeake Bay Watershed Implementation Plan, Agricultural Sector Goals and Actions Part II

As a continuation to 2021 UPDATE-PHASE iii OF THE CHESAPEAKE…

Session 3A – Stormwater 3

Bringing a Stormwater Master Plan to Life – Challenges Faced During Design of Level 2 Wet Pond at USCG Base Portsmouth

Stormwater Master Planning helps to identify where future investments…

Leveraging PCSWMM to Improve Neighborhood Floodplain Modeling

Neighborhood residential and structural flooding is one of the…

Systematic Approach to Scrub BMP Data for a Successful Upload to VA DEQ BMP Warehouse

The Best Management Practice (BMP) Warehouse is an application…

Session 3B – Dam Safety 1

Dam Risk Reduction

In Virginia alone, there are 2,900 dams ranging from farm ponds…

Dam Breach and Emergency Action Planning: Selecting the Right Models

This presentation will consider two dam breach studies developed…

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

Clifton Forge Dam is a high‐hazard potential concrete gravity…

Session 3C – Floodplain Management 3

Floodplain Design, Construction, and Impacts on Flood Insurance

This course provides insight into the importance of proper foundation…

Limit of Moderate Wave Action (LiMWA) Updates in VA and the Impact to Communities

The Limit of Moderate Wave Action (LiMWA) has been established…

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

Compound floods from the co-occurrence of multiple flood drivers…

Session 3D – Water Quality Modeling 2

Radiological Water Quality Modeling for a Worst-Case Catastrophic Failure from Proposed Uranium Mine Site, Coles Hill, Virginia

Effects of Instantaneous and Continuous spill of Radium-226/224…

Estuarine Water Quality Response Modeling for Tidal Flooding Susceptibility

This study investigates estuarine water quality response to coastal…

Hydrilla-based Phytoremediation Water Quality Management Strategy to Reduce Lead Concentrations in an Urban Lake, Central Florida

Urban lakes are common throughout the United States and are susceptible…

Session 3E – Rural and Agricultural Issues 2

An Interdisciplinary Approach for Determining Efficacy of Agricultural Best Management Practices

Despite increasing numbers of agricultural best management practices…

Potential Impacts of Shared-Use Facilities on Conservation Programs

Numerous programs exist for farms to integrate conservation into…

Effects of Acid Mine Drainage and Strategies to Remediate

Historical mining operations have left the country with abandoned…

Session 4A – Stormwater 4

Beyond the ERU – The Potential for a New Rate Structure Methodology for Virginia Stormwater Utilities

Historically, stormwater utilities (SWUs) in Virginia and around…

Everything in Life Must Have Balance…Including Water Quality and Quantity

Virginia Beach, is experiencing more frequent flooding due to…

Session 4B – Dam Safety 2

Design Approach for Repair of Small Dams with Piping Failures

Fairfax County’s robust BMP inspection program has recently…

The Applicability of Filter Compatibility Evaluation Procedures for Existing Embankment Dams – Hearthstone Lake Dam Case Study and General Evaluation and Design Considerations

Hearthstone Lake Dam was constructed in the mid-1960s in Augusta…

How to Drain an Impoundment – Design, Repair and Replacement

The Virginia Impounding Structure Regulations (Regulations) require…

Session 4C – Resiliency

Marsh Terrace Island Design and Permitting in Virginia Beach’s Back Bay

Natural and nature-based features are a pillar of the City of…

2D Rain-on-Grid Modeling for an Urban Resilience Plan

Chesapeake’s Greenbrier Drainage Area experienced significant…

Spring Creek Coastal Resiliency Hazard Mitigation Project

The New York State Department of Environmental Conservation (NYSDEC)…

Session 4D – Water Quality

Water Quality Overview of Indirect Potable Reuse System in Northern Virginia

Wastewater reuse benefit water shortage and a variety purposes…

Exploring Sulfate Sources and Transport Across and Land Use Gradient in the Piedmont

The Clean Air Act Amendment in 1990 has been successful in limiting…

Epilimnetic Mixing Deepens Maximum Phytoplankton Biomass and Reduces Phytoplankton Biodiversity in a Eutrophic Reservoir

Phytoplankton are primary producers which are critical for reservoir…

Session 5A – Stormwater 5

We Need To Talk: Coordinating Unavoidable Revisions to Approved SWM Plans with Approving Authorities

This presentation will discuss recent experiences in navigating…

Delegating Well: Examining Best Practices When Outsourcing Development Plan Review

As the responsibilities of municipal stormwater personnel continue…

Session 5B – Dam Safety 3

Dam Inspections – More than Filling Out a Form Once a Year

DCR Dam Safety requires annual inspections of all regulated dams. …

Remote Monitoring on Virginia Soil and Water Conservation District Dams (Remote Monitoring is Easier Than You Think!)

Virginia Soil and Water Conservation Districts received funding…

Working with Dam Owners to Implement Virginia’s Special Criteria Reduction for High Hazard Dams

In December of 2010, the Virginia DCR Dam Safety Regulations…

Session 5C – H&H Modeling

Virginia Beach Stormwater Master Modeling Update

Over the last five years, the City of Virginia Beach has completed…

A Hard Look at Hardware and Software: Reducing the Cost of Modeling

Multi-core computer processing has made remarkable advances over…

Solving Urban Drainage Problems Using XPSWMM 2D

Driven by more intense rainfall, expansion of impervious surfaces,…

Session 5D – Green Infrastructure

Keeping Visible and Invisible BMPs Beautiful

Stormwater best management practices (BMPs) designed as landscape…

Oregon Avenue Watershed Green Streets

The Oregon Avenue Watershed Green Streets (OAWGS) project was…

Rapid Assessments and Cost Estimates for Stormwater Management Facility Maintenance

Municipalities in Virginia are finding themselves with more and…

Session 6A – Stormwater 6

Problem to Product: Evaluating the Use of Stormwater Pond Algae to Bioremediate Ponds and Generate Compost

While stormwater ponds are an effective best management practice…

Porous Paver/Pavement Best Management Practices (BMPs): Long-Term Performance Tracking and Analysis

Fairfax County currently utilizes over 110 Public Porous Paver/Pavement…

Invasive Water Chestnut: Tracking as a First Step to Eradication

Among the challenges faced by municipal stormwater management…

Session 6B – Dam Safety 4

Greenbrier State Park Dam – Not Your Average Walk in the Park

Greenbrier State Park Dam, owned and operated by the Maryland…

Brighton Dam Rehabilitation

The Brighton Dam is a concrete slab and buttress dam that has…

Session 6C – Climate Change

Stormwater Pump Stations: An Alternative Solution to Urban Flooding

Climate change is affecting the way stormwater management has…

Climate Change Adaptation Strategies for Stream Restoration and Asset Protection

Riverine ecosystems are dynamic landscape features that provide…

The Development of Climate Change Indicator Maps to Improve Estimates of the Design Storm Across Virginia

The design storm is a fundamental parameter for risk and vulnerability…

Session 6D – Watershed Management

One Water: Vision, Planning and Getting it Done!

Many factors are currently driving the need for water and wastewater…

High Definition Stream Surveys: A New Process for Managing Rivers and Streams

The High Definition Stream Survey (HDSS) approach to waterway…

“Weir” Here to Fix Your Flooding!

The Lake Bradford / Chubb Lake Drainage Improvement Plan is…

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Session 1A – Stormwater 1

Session 1B – Data Collection and Management 1

Session 1C – Floodplain Management 1

Session 1D – TMDLs

Session 1E – Ecosystem Restoration

Session 2A – Stormwater 2

Session 2B – Data Collection and Management 2

Session 2C – Floodplain Management 2

Session 2D – Water Quality Modeling 1

Session 2E – Rural and Agricultural Issues 1

Session 3A – Stormwater 3

Session 3B – Dam Safety 1

Session 3C – Floodplain Management 3

Session 3D – Water Quality Modeling 2

Session 3E – Rural and Agricultural Issues 2

Session 4A – Stormwater 4

Session 4B – Dam Safety 2

Session 4C – Resiliency

Session 4D – Water Quality

Session 5A – Stormwater 5

Session 5B – Dam Safety 3

Session 5C – H&H Modeling

Session 5D – Green Infrastructure

Session 6A – Stormwater 6

Session 6B – Dam Safety 4

Session 6C – Climate Change

Session 6D – Watershed Management

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