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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 - GV9 and AQ6:

We are happy to announce the release of Groundwater Vistas Version 9 on June 1, 2024! There are many new features and new model versions. Please click here to get a summary of new features and prices. AquiferWin32 version 6 remains at the current version. Click here for a summary of 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:

MODFLOW Conference Summary will be presented on June 20, 2024 at 11 am and 8 pm Eastern time in the USA. Jim Rumbaugh will present his thoughts on the recent MODFLOW and More Conference held at Princeton University. 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 29 to May 9, 2024
Exact dates and times, course agenda, costs, and other information is available here.

Calibrating Groundwater Models with PEST and Groundwater Vistas
July 8 to July 18, 2024
Exact dates and times, course agenda, costs, and other information is available here

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

September 9 to 19, 2024
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 21 to 31, 2024
Exact dates and times, course agenda, costs, and other information is available here.

Advanced PYTHON Programming for Groundwater Modelers.

December 2 to 12, 2024
Exact dates and times, course agenda, costs, and other information is available here.

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