WTR (Water Table Recharge) is a simple one-dimensional analytical groundwater model that you can interact with online to explore basic concepts of groundwater models and model non-uniqueness.

To navigate the WTR tool you can use menu items at the top to:

• Learn about the underlying theory
• Watch a video of an example application
• Watch a video and/or read through the web page to learn how to use the model
• Work through an educational exercise
• explore additional material, or
• run the WTR tool from the Green Run WTR button

The online version of WTR is copyrighted by the author and distributed exclusively by The Groundwater Project. Please use gw-project.org links when you want to share Groundwater Project materials with others. It is not permissible to make GW-Project documents available on other websites nor to send copies of the files directly to others.