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Welcome to the SWAT+ model user discussion group.

Please note this group is for questions and discussion related to the model itself, not the editor or the GIS interfaces. For content related to those topics, please see:

For questions and discussions related to the 2012 version of SWAT and its interfaces, please see the SWAT website.

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Website: swat.tamu.edu/plus

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Apr 2

PLEASE READ: New Template for reporting issues

Hi everyone, To ensure the development team and community members can provide the most efficient and

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PLEASE READ: New Template for reporting issues

Hi everyone, To ensure the development team and community members can provide the most efficient and

Apr 2

Catalina Muñoz

Apr 24

reservor operation

Hi, I'm new to SWAT+ I'm working on a project in a high-mountain area where I have a

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reservor operation

Hi, I'm new to SWAT+ I'm working on a project in a high-mountain area where I have a

Apr 24

Ramya D NITK, Surathkal

Apr 24

Request to help to sort this error while upload the weather data

Request to help to sort this error while upload the weather data

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Request to help to sort this error while upload the weather data

Request to help to sort this error while upload the weather data

Apr 24

Miguel Rodrigues, Nancy B. Sammons3

Apr 23

Revision 61.0.1 simulation error

Dear Nancy, I'm running a newer version of SWAT+ Editor that does not have a debug option. I'

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Revision 61.0.1 simulation error

Dear Nancy, I'm running a newer version of SWAT+ Editor that does not have a debug option. I'

Apr 23

Gmail(crazyzlj)

Apr 22

Re: [SWAT+ User Group] Digest for swatplus@googlegroups.com - 3 updates in 2 topics

Hi everyone, I just accounted the same issue and found it was caused by the format of my usersoil.csv

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Re: [SWAT+ User Group] Digest for swatplus@googlegroups.com - 3 updates in 2 topics

Hi everyone, I just accounted the same issue and found it was caused by the format of my usersoil.csv

Apr 22

Assefa Abaineh, Nancy B. Sammons2

Apr 22

fix these problems

Assefa: Check your 'soils.sol' file, the values are reasonable, there are no 'null'

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fix these problems

Assefa: Check your 'soils.sol' file, the values are reasonable, there are no 'null'

Apr 22

Apr 22

Question on Adding Measured Reservoir Release Data in SWAT+

Hello everyone, I have a question regarding how to add measured reservoir release data in SWAT+.

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Question on Adding Measured Reservoir Release Data in SWAT+

Hello everyone, I have a question regarding how to add measured reservoir release data in SWAT+.

Apr 22

D R Sena, Nancy B. Sammons2

Apr 20

error encountered while gwflow connected.

Dr Sena: I would need a copy of your current txtinout folder so I can take a look. Thank you, Nancy

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error encountered while gwflow connected.

Dr Sena: I would need a copy of your current txtinout folder so I can take a look. Thank you, Nancy

Apr 20

Halinishi Yusuf, Nancy B. Sammons2

Apr 20

SWAT+ gwflow + PEST++: how to template wide-format gwflow.input?

Halinishi: Please send me your current txtinout folder and I will take a look. It's possible I

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SWAT+ gwflow + PEST++: how to template wide-format gwflow.input?

Halinishi: Please send me your current txtinout folder and I will take a look. It's possible I

Apr 20

Wubneh Belete, Nancy B. Sammons2

Apr 20

run swat+ error

Wubneh: Thank you for your email and comments. I will download the files from the link you provided

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run swat+ error

Wubneh: Thank you for your email and comments. I will download the files from the link you provided

Apr 20

Apr 19

How to provide hourly river discharge observations in SWAT+ Toolbox?

SWAT+ Issue Report Template 1. Primary Issue Location Component: SWAT+ Toolbox Area of impact: Model

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How to provide hourly river discharge observations in SWAT+ Toolbox?

SWAT+ Issue Report Template 1. Primary Issue Location Component: SWAT+ Toolbox Area of impact: Model

Apr 19

Chase Morris, Nancy B. Sammons2

Apr 14

Error in Placing Septic Systems through urld and urmd

Chase: Send me your current txtinout folder and I will take a look. Thank you, Nancy From: swatplus@

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Error in Placing Septic Systems through urld and urmd

Chase: Send me your current txtinout folder and I will take a look. Thank you, Nancy From: swatplus@

Apr 14

Supreetha K S ., Nancy B. Sammons2

Apr 14

Supreetha: It seems your simulation did not complete successfully. I will probably need to take a

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Supreetha: It seems your simulation did not complete successfully. I will probably need to take a

Apr 14

Apr 14

SWAT+ executable crashes with SIGILL (Illegal instruction) on macOS when running official example dataset

Hi, Does anyone have the experience of compiling SWAT+ Editor and QSWAT+ for MacOS (M2) and using the

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SWAT+ executable crashes with SIGILL (Illegal instruction) on macOS when running official example dataset

Hi, Does anyone have the experience of compiling SWAT+ Editor and QSWAT+ for MacOS (M2) and using the

Apr 14

Apr 14

Modelling intercropping in SWAT+

Hello everyone, I m working on hydrological modeling using swat+ and i would like to represent an

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Modelling intercropping in SWAT+

Hello everyone, I m working on hydrological modeling using swat+ and i would like to represent an

Apr 14

Matthew Lombardo, Natalja C.3

Apr 14

Question on Nitrogen Species Units

Hi Natalja, This helped, thank you!

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Question on Nitrogen Species Units

Hi Natalja, This helped, thank you!

Apr 14

Supreetha K S .

Apr 14

Error while running

i am geting error while running the model like below screen shot forrtl: severe (157): Program

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Error while running

i am geting error while running the model like below screen shot forrtl: severe (157): Program

Apr 14

Apr 13

Final call for abstracts! 2026 SWAT Conference, Thessaloniki, Greece

Abstracts due 15 April Last call! Submit your abstract and join us at the SWAT International

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Final call for abstracts! 2026 SWAT Conference, Thessaloniki, Greece

Abstracts due 15 April Last call! Submit your abstract and join us at the SWAT International

Apr 13

Alex VanDeWeghe, Natalja C.2

Apr 10

Suppressing Subdaily Output

Hello, Please see the IO: https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time

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Suppressing Subdaily Output

Hello, Please see the IO: https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time

Apr 10

Liaqat Ali Shah, Natalja C.2

Apr 10

Model not catching evaporation and PET values.

Hello, Please elaborate on your issue using this form: 1. Primary Issue Location Component: (eg,

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Model not catching evaporation and PET values.

Hello, Please elaborate on your issue using this form: 1. Primary Issue Location Component: (eg,

Apr 10

Dennis Trolle, Natalja C.2

Apr 10

Daily recall files from SWAT+ Editor no longer compatible with latest SWAT+ code

Hello Dennis, We are working on the case! Just for everyone to be aware, that the new commits (on GH)

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Daily recall files from SWAT+ Editor no longer compatible with latest SWAT+ code

Hello Dennis, We are working on the case! Just for everyone to be aware, that the new commits (on GH)

Apr 10

VIRGINIA LÓPEZ LINARES, Chris George2

Apr 9

Problem with "create HRUs"

Did you get any previous error? If not, send me your complete project folder and I will investigate.

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Problem with "create HRUs"

Did you get any previous error? If not, send me your complete project folder and I will investigate.

Apr 9

ABEBE HEGANO, Nancy B. Sammons2

Apr 9

Error running SWAT+ model (due to updatedRunning SWAT+ rev. 61.0.2

Abebe: Please send me the contents of your current txtinout folder and I will take a look. Thank you,

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Error running SWAT+ model (due to updatedRunning SWAT+ rev. 61.0.2

Abebe: Please send me the contents of your current txtinout folder and I will take a look. Thank you,

Apr 9

marianna leone, Nancy B. Sammons3

Apr 9

climate data ethiopia

Thanks everyone for the suggestions. marianna Il giorno mer 8 apr 2026 alle ore 17:22 Nancy B.

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climate data ethiopia

Thanks everyone for the suggestions. marianna Il giorno mer 8 apr 2026 alle ore 17:22 Nancy B.

Apr 9

Ajewole Damilola

Apr 8

SWAT+ Calibration

I am currently calibrating SWAT+ for a forested watershed in northern Wisconsin and running into an

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SWAT+ Calibration

I am currently calibrating SWAT+ for a forested watershed in northern Wisconsin and running into an

Apr 8

Apr 7

Dear SWAT+ users, During sensitivity analysis using the SWAT+ toolbox, I encountered the following

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Dear SWAT+ users, During sensitivity analysis using the SWAT+ toolbox, I encountered the following

Apr 7

Apr 2

Differences between SWAT+ rev. 61.0.2 (official) and rev. 61.0.2.61 (latest) in streamflow and sediment simulation

Dear all, I ran SWAT+ using rev. 61.0.2.61 (latest) to account for paddy-specific conditions and

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Differences between SWAT+ rev. 61.0.2 (official) and rev. 61.0.2.61 (latest) in streamflow and sediment simulation

Dear all, I ran SWAT+ using rev. 61.0.2.61 (latest) to account for paddy-specific conditions and

Apr 2

Apr 1

Senstvitity becomes zero

Dear all, I am conducting a sensitivity analysis using the SWAT+Toolbox version 3.2.0 with monthly

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Senstvitity becomes zero

Dear all, I am conducting a sensitivity analysis using the SWAT+Toolbox version 3.2.0 with monthly

Apr 1

alamtekno lestari, Nancy B. Sammons2

Mar 30

problems entering climate data

Alamtekno: The error indicates there is a problem in the 'weather-wgn.cli' file. You can

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problems entering climate data

Alamtekno: The error indicates there is a problem in the 'weather-wgn.cli' file. You can

Mar 30

Liaqat Ali Shah

Mar 26

Model not catching PET values

Hi Swat+ user, My model in swat+editor is not catching the pet values and gives 0 values. Can someone

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Model not catching PET values

Hi Swat+ user, My model in swat+editor is not catching the pet values and gives 0 values. Can someone

Mar 26

Mar 26

template reservoir decision table for measured outflow?

Hi! I've been trying to get a reservoir in my SWAT+ model to release water following an observed

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template reservoir decision table for measured outflow?

Hi! I've been trying to get a reservoir in my SWAT+ model to release water following an observed

Mar 26

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