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NWDTW 2026
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Wednesday, July 22
 

8:00am CDT

USGS National Water Quality Network (NWQN-SW): Overview of Sample Collection, Data Reporting and Products
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
Understanding the water quality of U.S. streams and rivers requires consistent data collection and analysis over decades. The U.S. Geological Survey’s National Water Quality Network (NWQN) was established to facilitate national-scale understanding of surface-water quality conditions through the collection of comparable data in large rivers and small streams in different geographic and land-use settings. Data collected by the NWQN supports the needs of Federal, State and local stakeholders tasked with managing our Nation’s water resources. This talk will provide an overview of the history of national-scale, surface-water quality monitoring in the USGS, current network objectives and scope, sample collection and reporting methods, sampling resources as well as highlight products utilizing NWQN data.
Speakers
avatar for Melissa Riskin

Melissa Riskin

National Water Quality Network Coordinator, USGS-WMA-OSD
Melissa Riskin is currently the Coordinator of the National Water Quality Network (NWQN-SW) within the USGS Water Mission Area, Observing Systems Division. She is also the Product Owner of the field software Superfly. Melissa graduated from the Pennsylvania State University with a... Read More →
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Central Bank (39 Class / 60 Theater)

8:00am CDT

The National Ground-Water Monitoring Network: Background and Call for USGS Involvement
Wednesday July 22, 2026 8:00am - 8:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
Provide the history of the Network, current funding opportunity, and a request for USGS scientists to evaluate and update sites in the Network. Candice Hopkins will provide more information regarding steps to update the NGWMN portal in a companion presentation.
Speakers
avatar for Rod Caldwell

Rod Caldwell

Hydrologist, USGS
Rod began his career with the USGS in 1990 in Oregon and transferred to Montana in 1998 and has since worked on hydrologic investigations in Idaho, Montana, Washington, and Wyoming. He was the National Water Quality Assessment (NAWQA) Northern Rockies Intermontane Basins Groundwater... Read More →
Wednesday July 22, 2026 8:00am - 8:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
  GROUNDWATER

8:00am CDT

Hydroacoustic Streamflow Measurements: Selecting Equipment and Methods
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Birmingham (65 Class / 100 theater)
A common question is how to choose streamflow measurement methods and equipment for different flow conditions. Should the stream be waded? Should the measurement be made with moving boat ADCP or Mid-Section ADCP? What track reference should I use if the moving boat ADCP method is used? This presentation will cover the limitations of each approach and introduce a simplified decision matrix for selecting methods and instruments.
Speakers
TK
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Birmingham (65 Class / 100 theater)
  HYDROACOUSTICS

8:00am CDT

History and Current Activities of the Federal Interagency Sedimentation Project
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Nichols (21 Class / 40 Theater)
The Federal Interagency Sedimentation Project (FISP) was founded in 1939 to standardize sediment sampler instrumentation, sampling methods, and sediment sample laboratory analysis processes. The project expanded over the many years of its operation to include automatic samplers, surrogate instrumentation such as acoustics and turbidity meters, water quality samplers, and much more.
This session will cover the history, achievements, and current projects the FISP is working on.
Speakers
PD
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Nichols (21 Class / 40 Theater)
  SEDIMENT

8:30am CDT

WMA LIMS Status Update
Wednesday July 22, 2026 8:30am - 8:50am CDT
BCC - Central Bank (39 Class / 60 Theater)
Discuss capabilities of WMA LIMS solution - HIGH LEVEL Project Overview
Includes project release timelines, Catalog services, Client Portal, and Billing processes.
Speakers
avatar for Joseph Kalfsbeek

Joseph Kalfsbeek

IT Specialst, USGS

JM
Wednesday July 22, 2026 8:30am - 8:50am CDT
BCC - Central Bank (39 Class / 60 Theater)
  DISCRETE QW

8:30am CDT

Help Us Curate a Stronger National Groundwater Monitoring Network
Wednesday July 22, 2026 8:30am - 8:50am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
The National Groundwater Monitoring Network (NGWMN) is a compilation of selected groundwater monitoring wells from Federal, State, and local groundwater monitoring networks across the nation. The NGWMN is designed to be a curated network of wells that are of known quality and can provide insight to groundwater araciality. The NGWMN Data Portal provides access to data in the Network; monitoring locations must be added to the network through a manual process. Each Water Science Center can select wells they deem appropriate for inclusion in the NGWMN. This session will cover criteria for wells to include in the NGWMN, give tips on how to determine if wells should be added or deleted, and review the application that can be used for this process.
Speakers
avatar for Candice Hopkins

Candice Hopkins

Product Owner, USGS - WMA
Candice Hopkins is a product owner at U.S. Geological Survey's Water Mission Area. Candice focuses on creating products that deliver data to a broad group of users, including scientists and the public. Her current products include the Water Quality Portal, the National Groundwater... Read More →
Wednesday July 22, 2026 8:30am - 8:50am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
  GROUNDWATER

8:30am CDT

Interactive ADCP game/quiz
Wednesday July 22, 2026 8:30am - 8:50am CDT
BCC - Birmingham (65 Class / 100 theater)
Test your knowledge and see how much you know about the different types of ADCPs. A fun session for beginners to advanced users.
Speakers
avatar for Justin Boldt

Justin Boldt

Hydrologist, USGS
Justin is a Hydrologist for the USGS Ohio-Kentucky-Indiana Water Science Center in Louisville, KY. He began his career with the USGS in 2010 as a student working for the Office of Surface Water out of the Urbana, Illinois office. In 2013, he graduated from the University of Illinois... Read More →
Wednesday July 22, 2026 8:30am - 8:50am CDT
BCC - Birmingham (65 Class / 100 theater)
  HYDROACOUSTICS

9:00am CDT

Raspberry Pi DCP with SDI-12 sensor interface and TID data ingest prototype design and testing
Wednesday July 22, 2026 9:00am - 9:20am CDT
BCC - Smith (28 Class / 45 Theater)
COWSC has designed and tested a raspberry pi-based data logger with SDI-12 interface which delivers data in real time to AQTS through TID and a cellular connection. This presentation will provide details on the design considerations, construction, and implementation of this and other similar systems.
Speakers
AL
Wednesday July 22, 2026 9:00am - 9:20am CDT
BCC - Smith (28 Class / 45 Theater)
  AQUARIUS (AQ)

9:00am CDT

USGS Groundwater National Climate Response Network (CRN): Background and Path Forward
Wednesday July 22, 2026 9:00am - 9:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
Discussion of CRN history, objectives, and current conditions. Opportunity for Q and A regarding network operations and funding.
Speakers
avatar for Rod Caldwell

Rod Caldwell

Hydrologist, USGS
Rod began his career with the USGS in 1990 in Oregon and transferred to Montana in 1998 and has since worked on hydrologic investigations in Idaho, Montana, Washington, and Wyoming. He was the National Water Quality Assessment (NAWQA) Northern Rockies Intermontane Basins Groundwater... Read More →
Wednesday July 22, 2026 9:00am - 9:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
  GROUNDWATER

10:00am CDT

Let's Work Together - USGS Flood Coordination
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Nichols (21 Class / 40 Theater)
Flood Coordination helps facilitate clear, consistent cross‑organizational situational awareness through routine flood coordination calls (internal operational calls and external science calls), updates to Emergency Management and USGS leadership, and participation in interagency briefings, but it doesn't work unless we work together. I would like to present the current approach and am looking for your feedback.
Speakers
avatar for Julia Prokopec

Julia Prokopec

Hydrologist/FIM Coordinator/Assistant Flood Coordinator, USGS
Julia Prokopec is a hydrologist in the Web Informatics & Mapping Team (WIM) in the Upper Midwest Water Science Center in St Paul, MN. She works with partners and lead developers to coordinate development and project management within WIM. She is also the USGS Flood Inundation Mapping... Read More →
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Nichols (21 Class / 40 Theater)
  DATA CHIEFS/FIELD OFFICE CHIEFS

10:00am CDT

Readying Superfly for LIMS Modernization and Other Updates
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
The upcoming modernization of LIMS will require modifications to the Superfly files we use to generate ASRs. More broadly, the modernization of many of our tools creates opportunities for Superfly to become more integrated into the Discrete Water Quality Workflow. This session will talk about how Superfly is being updated and how users can prepare accordingly.
Speakers
SW
EC
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
  DISCRETE QW

10:00am CDT

USGS Signage Updates: Coordinating Across HIF, WSCs, and the Innovation Depot
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Mobile (33 Class / 60 Theater)
Join us to learn more about USGS signage! An USGS team is working on a new line of standardized, field ruggedized signage designed specifically for Monitoring Locations, with production coordinated through the Hydrologic Instrumentation Facility (HIF). The goal is to allow Water Science Centers to order signs. The initial design concept includes a sign sized approximately 12 by 18 inches. Centers will be able to tailor their signs through a range of construction options—including aluminum or vinyl signs, pre-drilled mounting configurations, acrylic protective covers, and optional aluminum back plates.
Speakers
KS

Kimberly Shaffer

Hydrologist, U.S. Geological Survey
Kimberly Shaffer has a degree in Civil Engineering from The Ohio State University and has worked for the U.S. Geological Survey for the past 27 years. As a hydrologist, she has collected and published streamflow, water-quality, and water-use data. In 2021, Kim became the Continuous... Read More →
AG
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Mobile (33 Class / 60 Theater)
  HYDROLOGIC INSTRUMENTATION FACILITY (HIF)

10:00am CDT

USGS Precipitation Chemistry QA project for NADP 2025 results
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Thames (21 Class / 40 Theater)
Review of the 2025 NADP External QA program interlaboratory comparison results for NTN, MDN, field audit, system blank and 1 week 2 week sampler comparison studies
Speakers
ND
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Thames (21 Class / 40 Theater)
  Precipitation Chemistry QA

10:00am CDT

ICE-Edge: Computing Continuous Under-ice Discharge on the Edge
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Lackey (54 Tiered Class Only)
As of Jan 5, 2026, 1,185 of the 9,004 USGS streamgages were ice-affected - approximately 13.2% of our assets that lack the capacity to deliver real-time discharge. Existing USGS under-ice methods require hours to complete, are cost prohibitive, lack the capacity to deliver continuous discharge time series, and place hydrographers at risk. ICE-Edge computes real-time under ice discharge on the “edge” (think by the riverbank) by integrating a RaspberryPi (RPi) computer, python code, uplooking Acoustic Doppler Velocity Meter (u-ADVM), FirstNet modem, and leveraging the probability concept discharge algorithm.
Speakers
BW
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Lackey (54 Tiered Class Only)
  SURFACE WATER

10:30am CDT

Connecting the Triangle of Superfly - LIMS - and AQS
Wednesday July 22, 2026 10:30am - 10:50am CDT
BCC - Central Bank (39 Class / 60 Theater)
It costs us time trying to get our Discrete Water Quality applications to talk to one another as data moves through the workflow. The modernization of those applications provides an opportunity to strengthen those connections and hopefully save us some time. This presentation will describe some of the ways that new connections are being built into those applications and how our workflow will tap into those new features.
Speakers
avatar for Dave Rus

Dave Rus

WQ Specialist, NEWSC
Product owner of the Batch Data Loader and Water Quality Review (AQS tools)
Project lead of the Triangle Project
Member of the QWILS team
Water Quality Specialist at Nebraska WSC
KN
Wednesday July 22, 2026 10:30am - 10:50am CDT
BCC - Central Bank (39 Class / 60 Theater)
  DISCRETE QW

11:00am CDT

Upcoming changes to the presentation of NWQL and Contract Laboratory data in AQUARIUS Samples
Wednesday July 22, 2026 11:00am - 11:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
As LabVantage replaces the StarLIMS system at the National Water Quality Laboratory, the format of data sent to AQUARIUS Samples will shift significantly from today’s QWBATCH structure. This session will explain how LabVantage’s outputs align more closely with AQS’s Observations format, what differences users can expect in the new data model, how these changes enable features and capabilities that were not possible with QWBATCH, and what new constraints will be present in the data flow.
Speakers
KN
LD
CV
Wednesday July 22, 2026 11:00am - 11:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
  DISCRETE QW

11:00am CDT

Using the Fixed Method for Open Water Mid-Section ADCP Measurements
Wednesday July 22, 2026 11:00am - 11:20am CDT
BCC - Birmingham (65 Class / 100 theater)
The fixed method for making mid-section ADCP measurements is traditionally used for under ice conditions. The fixed method could be adapted to use in open water when other methods will not work due to the inability to safely get top-down observations, magnetic interference, and time constraints. This talk will discuss a situation where the fixed mid-section ADCP method was used in open water when no other viable option was available for making discharge measurements.
Speakers
DS
Wednesday July 22, 2026 11:00am - 11:20am CDT
BCC - Birmingham (65 Class / 100 theater)
  HYDROACOUSTICS

2:30pm CDT

Upcoming changes to OneStop ordering
Wednesday July 22, 2026 2:30pm - 2:50pm CDT
BCC - Mobile (33 Class / 60 Theater)
The HIF is modernizing its business software, including key user-facing features of the OneStop platform. This talk will share up-to-date information about the plans for modernization such as target timelines, known feature changes, and plans for user communications in advance of any changes.
Speakers
KN
Wednesday July 22, 2026 2:30pm - 2:50pm CDT
BCC - Mobile (33 Class / 60 Theater)
  HYDROLOGIC INSTRUMENTATION FACILITY (HIF)

3:30pm CDT

Frozen SUSHI (Scientists Using Salt Hydrometric Instruments): Salt Dilution Tracer Discharge Measurements Under Ice
Wednesday July 22, 2026 3:30pm - 3:50pm CDT
BCC - Lackey (54 Tiered Class Only)
A presentation on the application of salt dilution tracer discrete discharge measurements in under ice conditions. An overview of the method and workflow is discussed. Results of under ice measurements will be reviewed emphasizing the successes, technical challenges, and the lessons learned. Including a further discussion on improving accuracy and repeatability of the method in the future.
Speakers
avatar for Tony Trease

Tony Trease

Hydro Tech, USGS
Hydro Tech at the Lakewood Field Office. Colorado WSC Hydracoustics Specialist. Rocky Mountain SUSHI. 17 years with the USGS.
Wednesday July 22, 2026 3:30pm - 3:50pm CDT
BCC - Lackey (54 Tiered Class Only)
  SURFACE WATER

4:00pm CDT

Discrete Discharge from Multiple Platforms and Novel Algorithms: Fixed‑Mount and Portable Velocity Radars and Drone‑based Cameras
Wednesday July 22, 2026 4:00pm - 4:20pm CDT
BCC - Mobile (33 Class / 60 Theater)
Standard streamgaging methods to compute discharge rely on placing equipment and personnel in water and integrating velocities and depths at multiple verticals at a channel cross section (25 to 30 to hundreds of hydroacoustic ensembles). However, a paradigm change has occurred with the advent of non-contact platforms such as fixed‑mount and portable velocity radars and drone‑based cameras. The benefits of coupling these platforms and novel algorithms are clear – enhanced safety and increased efficiency.
Speakers
JS
Wednesday July 22, 2026 4:00pm - 4:20pm CDT
BCC - Mobile (33 Class / 60 Theater)
  SURFACE WATER

4:30pm CDT

Setup and Best Practices for the use of Analite NEP5000
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Nichols (21 Class / 40 Theater)
A brief walkthrough of setting up and calibrating the NEP5000 turbidity sensor using the NEPOEM software. Will cover some best practices, troubleshooting scenarios, and lessons learned from operating these sensors in the field for the last 6 years.
Speakers
BR
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Nichols (21 Class / 40 Theater)
  CONTINUOUS QW

4:30pm CDT

Using AreaComp3 for Indirect measurements
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Birmingham (65 Class / 100 theater)
AreaComp3 was primarily developed to assist with development of Stage-Area ratings for index velocity sites. The program has several other improvements that can assist with the computation of Indirect measurements, specifically Contracted Opening and Critical Depth measurements. This brief presentation will discuss the use of the AreaComp3 tool with X,Y,Z data, and how you can use that output to assist with the computation of Indirect Measurements. This presentation is geared towards users that collect cross section data post flood and need to compute hydrologic properties with that data. It is also oriented towards technicians/hydrologists that work with Indirect Measurements of Discharge and should be familiar with those methods.
Speakers
EK
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Birmingham (65 Class / 100 theater)
  SURFACE WATER
 

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Monday, July 20
Tuesday, July 21
Wednesday, July 22
Thursday, July 23
BCC - Birmingham (65 Class / 100 theater)
BCC - Central Bank (39 Class / 60 Theater)
BCC - Lackey (54 Tiered Class Only)
BCC - Mason (33 Class / 60 Theater)
BCC - Mobile (33 Class / 60 Theater)
BCC - Nichols (21 Class / 40 Theater)
BCC - Sellers (476 Class / 800 Theater)
BCC - Smith (28 Class / 45 Theater)
BCC - Thames (21 Class / 40 Theater)
BCC - Wilson (54 Tiered Class Only)
HIF - Command Center (20 Classroom / 30 Theater)
HIF - Electronics Room (Monday)
HIF - Theater (150 Theater / Monday)
Hotel Capstone - Presidents (50 Theater/40 Classroom)
Moody Music - Choral Room (300 Theater / Thurs Only)
Moody Music - Concert Hall (940 Theater / Thurs Only)
Moody Music - Recital Hall (74 Theater / Thurs Only)
Moody Music - Room 1003 (150 Theater / Thurs Only)
  • AQUARIUS (AQ)
  • COASTAL SCIENCE/STORM RESPONSE
  • Collaboration
  • COMPUTER TOOLS
  • CONTINUOUS QW
  • DATA CHIEFS/FIELD OFFICE CHIEFS
  • DATABASE (DBA/LDM/NWIS)
  • DISCRETE QW
  • Field Support
  • Fit for Purpose/Surface Water
  • GNSS/SURVEYING
  • GROUNDWATER
  • HYDROACOUSTICS
  • Hydrogeophysics for groundwater investigations
  • HYDROLOGIC INSTRUMENTATION FACILITY (HIF)
  • IMAGERY AND REMOTE SENSING
  • LISTENING SESSIONS
  • New Technologies/New Data/Remote Sensing
  • Precipitation Chemistry QA
  • SEDIMENT
  • SHOW AND TELL FIELD HACKS: EFFICIENCY TIPS AND TRICKS
  • SHOW AND TELL FIELD HACKS: TIPS AND TRICKS
  • SURFACE WATER
  • Telemetry
  • Training & Workforce Development
  • UNCREWED AIRCRAFT SYSTEMS
  • Length
  • 0800-1600
  • 110 minutes
  • 20 minutes
  • 30 minutes
  • 4 Hours
  • 50 minutes
  • 80 minutes
  • All day Monday
  • I am good with 20 or 50!
  • Can't teach
  • also presenting nugo2 and HydroCorrect;
  • AM;
  • AM;Monday
  • AM;Thursday
  • AM;Tuesday
  • AM;Unavailable during any Water Training Advisory Council (WTAC)-related sessions;
  • AM;Wednesday
  • Monday
  • Not available during LDM forum or NWDi presentation;
  • PM;
  • PM;during other presentations I am giving as well as any salt dilution presentation.;
  • PM;Monday
  • PM;Thursday
  • PM;Tuesday
  • PM;Wednesday
  • Thursday
  • Tuesday
  • Notes
  • This session is for managers only.
  • This will cover high-level overview of UAS operations general information for WSC management and scientists. This is very much a presentation and NOT a training session.
  • Popular