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NWDTW 2026
Venue: Hotel Capstone - Presidents (50 Theater/40 Classroom) clear filter
Tuesday, July 21
 

2:30pm CDT

Break
Tuesday July 21, 2026 2:30pm - 3:00pm CDT

Tuesday July 21, 2026 2:30pm - 3:00pm CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
 
Wednesday, July 22
 

8:00am CDT

The National Ground-Water Monitoring Network: Background and Call for USGS Involvement
Wednesday July 22, 2026 8:00am - 8:20am CDT
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)

8:30am CDT

Help Us Curate a Stronger National Groundwater Monitoring Network
Wednesday July 22, 2026 8:30am - 8:50am CDT
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)

9:00am CDT

USGS Groundwater National Climate Response Network (CRN): Background and Path Forward
Wednesday July 22, 2026 9:00am - 9:20am CDT
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)

9:30am CDT

Break
Wednesday July 22, 2026 9:30am - 10:00am CDT

Wednesday July 22, 2026 9:30am - 10:00am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)

10:00am CDT

Groundwater Monitoring Essentials
Wednesday July 22, 2026 10:00am - 10:50am CDT
This presentation will cover groundwater site establishment, characterization, operation and maintenance, and quality assurance. The talk will also discuss instrumentation used to collect water level data and considerations for measurement frequency.
Speakers
avatar for Lance Gruhn

Lance Gruhn

Hydrologist, USGS
Lance Gruhn is a Hydrologist stationed in Iowa City, Iowa and is the groundwater technical and field support lead for the Hydrologic Networks Branck of the USGS Water Resources Mission Area. Lance coordinates the Groundwater Data Processing class and the Groundwater Field Techniques... Read More →
Wednesday July 22, 2026 10:00am - 10:50am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)

11:30am CDT

Lunch
Wednesday July 22, 2026 11:30am - 1:00pm CDT

Wednesday July 22, 2026 11:30am - 1:00pm CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)

2:30pm CDT

Well Integrity Evaluations - Approaches, Use Cases, Data Management, and other Considerations
Wednesday July 22, 2026 2:30pm - 3:50pm CDT
This presentation will discuss what well integrity is and its importance as a foundation of quality assurance at groundwater well sites. The talk will highlight office and field-based approaches to evaluating well integrity including use-cases.
Speakers
avatar for Lance Gruhn

Lance Gruhn

Hydrologist, USGS
Lance Gruhn is a Hydrologist stationed in Iowa City, Iowa and is the groundwater technical and field support lead for the Hydrologic Networks Branck of the USGS Water Resources Mission Area. Lance coordinates the Groundwater Data Processing class and the Groundwater Field Techniques... Read More →
Wednesday July 22, 2026 2:30pm - 3:50pm CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
 
Thursday, July 23
 

8:00am CDT

Tips & Tricks for Running Station Levels
Thursday July 23, 2026 8:00am - 9:20am CDT
This session will present different ways to combat common issues/errors when running station levels. Topics covered will include but not limited to: equipment, planning, archiving, and documentation. Attendees will have an opportunity to present their office's tips and tricks for running station levels during Open Mic portion.
Speakers
avatar for Crystal Hammer

Crystal Hammer

Supervisory Hydrologic Technician/Field Office Chief (Columbus, OH), U.S. Geological Survey
I'm the Columbus OH Field Office Chief for the Ohio-Kentucky-Indiana WSC. For my 1st 2.5 years in the USGS, I worked out of the Pacific Islands WSC in Honolulu, Hawaii. I accepted a position in Columbus, Ohio to return to my home state and be closer to family having grown up in Cincinnati... Read More →
Thursday July 23, 2026 8:00am - 9:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)

9:30am CDT

Break
Thursday July 23, 2026 9:30am - 10:00am CDT

Thursday July 23, 2026 9:30am - 10:00am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)

11:30am CDT

Lunch
Thursday July 23, 2026 11:30am - 1:00pm CDT

Thursday July 23, 2026 11:30am - 1:00pm CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
 

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