MODFLOW Users Group

Dear Andras I checked the layer thickness and I did not observe a zero layer thickness value. Here I

Dear Prof. Richard, Thank you for your response. I would appreciate your help with the configuration

Hi all. Environmental geologist/hydrogeologist here, with +15 years experience in

Randall, Is there a registration for this event? On Thu, Dec 11, 2025 at 10:23 AM Randall Hanson <

Hello everyone! I'm trying to import one of the USGS test files (found here: https://github.com/

Hi David, Thanks for reaching out and sharing this opportunity. I'd be happy to learn more about

Hey guys, PhD student here. I'm just starting to learn MODFLOW, and I'm hoping to use its new

You need to check how the layer elevations are assigned. If you used an object that only assigns

Hi Richard, Thank you for your help - the mf6io.pdf absolutely pointed me in the right direction (I

Hello everyone, I'm getting started with groundwater modeling and I'm having some

Milan, I'm not a ModelMuse user, but I'm sure it has a few tutorials about PEST (https://www.

As a first option I recommend moving your project on a computer drive. Never use a synching folder to

I am using MODFLOW 6 with Flopy. I am stuck with the CSUB package. I want to get the outputs of the

Great Mart I did a TikTok about it: Know more about the VS Code extension for MODFLOW 6. https://www.

Thank you. The Pest calibration is still giving some problems even with paramter restrictions and the

Hi, I'm calibrating a MODFLOW-2005 model using PEST through ModelMuse. In the locations of the

Dear MT, Thank you for sharing this question — it's a situation many of us have faced with

Hi all, I'm excited to share a new groundwater tool that allows us to instantly generate

ModelMuse generates a batch file that renames your steady.mfsim.nam to mfsim.nam just before running

Hi, Possible causes are boundary condition, contrasting hydraulic conductivity (> 2 order of

Dear Sir/Madam: Would appreciate Shoreline modelling experts to contact me on rakeshcshah2003@yahoo.

This is a rather conceptual question, and the answer may be different depending a few factors. I

Hello everyone, I'm currently developing a groundwater flow model in ModelMuse using MODFLOW 2005

How about a unit number of five (+5). MODFLOW sometimes use a negative number to indicate that a

Thank you Andras! I used "/r" parameter and it worked finely. El miércoles, 15 de octubre

In Visual MODFLOW Flex, go to Numerical Model → Property Zone → IBOUND (Active/Inactive). Select the

Hi, I was hoping I could get some advice about improving the stability of my SWR channel model. The

Happy to share that the report "Methodology for hydrological and hydrogeological modelling of

Hey, I am trying to build a model where one side of a coastal unconfined aquifer has a constant flux

Dear Jakab Thank you for your suggestion and explanation. I looked into PESTPP-SWP and it does appear