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Welcome to the official web site for Environmental Simulations, Inc. (ESI) located in eastern Pennsylvania, USA. ESI specializes in software, consulting, and training for groundwater modeling.

Software - GV8 and AQ6:

We are happy to announce the release of Groundwater Vistas Version 8 on September 1, 2020! There are many new features and new model versions. Please click here to get a summary of new features and prices. AquiferWin32 version 6 will also be released at that time. Click here for a summary of new features.

Free Groundwater Textbook

Hydrogeology 101; Introduction to Groundwater Science and Engineering is a new textbook from Dr. Neven Kresic. This is a free book in pdf format that you can download by clicking here

Free Webinar:

What's New in Groundwater Vistas Version 8 will be presented on January 19, 2022 at 11 am and 8 pm Eastern time in the USA. Each session will be the same and last for about 1 hour. To sign up, click here for the 11 am session and here for the 8 pm session

Webinars:

Introduction to Groundwater Flow and Transport Modeling.

April 10 to 20, 2023
Exact dates and times, course agenda, costs, and other information is available here.

Calibrating Groundwater Models with PEST and Groundwater Vistas
May 22 to June 1, 2023
Exact dates and times, course agenda, costs, and other information is available here

Using MODFLOW-USG (Unstructured Grids) and MODFLOW 6 in Groundwater Vistas

July 10 to 20, 2023
Exact dates and times, course agenda, costs, and other information is available here

Transport Modeling with MT3DMS, MODFLOW-USG, and SEAWAT.

TBA
Exact dates and times, course agenda, costs, and other information is available here.

Introduction to PYTHON Programming for Groundwater Modelers.

October 2 to 12, 2023
Exact dates and times, course agenda, costs, and other information is available here.

Advanced PYTHON Programming for Groundwater Modelers.

December 4 to 14, 2023
Exact dates and times, course agenda, costs, and other information is available here.

Please feel free to contact us at:

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