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Welcome to the QSWAT+ user discussion group.

Please note this group is for questions and discussion related to the QGIS interface, QSWAT+, not the model itself or the editor. 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

Tatiana Yameogo, Nancy B. Sammons3

7:20 AM

SWAT+ Toolbox crashes during sensitivity analysis

Thank you for your email. I have copied this to the SWAT+ Toolbox developer for any comments/

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SWAT+ Toolbox crashes during sensitivity analysis

Thank you for your email. I have copied this to the SWAT+ Toolbox developer for any comments/

7:20 AM

Matthew Lombardo3

Apr 15

Irrigation/Fertilization Application Error

Hello all, I did not realize there is a new format for reporting issues, so here it is SWAT+ Issue

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Irrigation/Fertilization Application Error

Hello all, I did not realize there is a new format for reporting issues, so here it is SWAT+ Issue

Apr 15

Apr 15

Error while inputting customized channels shapefile

Hello everyone, Has anyone dealt with channel numbering conflicts causing anomalously high flows in

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Error while inputting customized channels shapefile

Hello everyone, Has anyone dealt with channel numbering conflicts causing anomalously high flows in

Apr 15

Faisal Shovon, Chris George2

Apr 15

QSWAT plugin for QGIS 4.0

We're working on it. Chris On 4/13/2026 1:35 PM, Faisal Shovon wrote: > Hi there, Is there any

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QSWAT plugin for QGIS 4.0

We're working on it. Chris On 4/13/2026 1:35 PM, Faisal Shovon wrote: > Hi there, Is there any

Apr 15

Apr 14

Problem with reducing biomass value

Dear QSWAT+ Community, I hope that you're all doing well. I'm encountering persistent issues

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Problem with reducing biomass value

Dear QSWAT+ Community, I hope that you're all doing well. I'm encountering persistent issues

Apr 14

Apr 8

Modeling relay intercropping in SWAT+

I am working on hydrological modeling using SWAT+ and I would like to represent an intercropping

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Modeling relay intercropping in SWAT+

I am working on hydrological modeling using SWAT+ and I would like to represent an intercropping

Apr 8

Apr 2

Wetland (Playas) Curve Number

Hello everyone, I defined infiltration ponds as playas (reservoirs with RES = 2). They appear as

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Wetland (Playas) Curve Number

Hello everyone, I defined infiltration ponds as playas (reservoirs with RES = 2). They appear as

Apr 2

howard...@gmail.com

Apr 1

Request for Documentation on SWATprepT Package

Dear members, I am looking for documentation or guidance on the strings and commands to be used in

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Request for Documentation on SWATprepT Package

Dear members, I am looking for documentation or guidance on the strings and commands to be used in

Apr 1

Bill Capehart, Chris George2

Mar 31

QSWAT+ Error: 'GlobalVars' is not defined; (likewise '''AboutQSWAT' & "Parameters" are not defined)

The problrm is that QGIS 3.44 uses a different version of numpy. Try the leatest QSWAT+ 3.2.1 https:/

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QSWAT+ Error: 'GlobalVars' is not defined; (likewise '''AboutQSWAT' & "Parameters" are not defined)

The problrm is that QGIS 3.44 uses a different version of numpy. Try the leatest QSWAT+ 3.2.1 https:/

Mar 31

Chris George, Eric G Lappala2

Mar 26

QSWAT and QSWAT+ available for QGIS 3.44

Chris After installing QSWAT+ 3.2.0 there is a problem in setting the outlet points - they do not

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QSWAT and QSWAT+ available for QGIS 3.44

Chris After installing QSWAT+ 3.2.0 there is a problem in setting the outlet points - they do not

Mar 26

Grmay Kassa Brhane

Mar 26

Requesting help

Dear all SWAT+ users, I am working on SWAT+ modeling for groundwater estimation purposes, and I

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Requesting help

Dear all SWAT+ users, I am working on SWAT+ modeling for groundwater estimation purposes, and I

Mar 26

Mar 25

SWAT+ Source Code Workshop - Online - 20-21 April 2026

𝐒𝐖𝐀𝐓+ 𝐒𝐨𝐮𝐫𝐜𝐞 𝐂𝐨𝐝𝐞 𝐖𝐨𝐫𝐤𝐬𝐡𝐨𝐩 | 𝐎𝐧𝐥𝐢𝐧𝐞 | 𝐀𝐩𝐫𝐢𝐥 20-21, 2026! Ready to dive deep into SWAT+ Fortran code?

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SWAT+ Source Code Workshop - Online - 20-21 April 2026

𝐒𝐖𝐀𝐓+ 𝐒𝐨𝐮𝐫𝐜𝐞 𝐂𝐨𝐝𝐞 𝐖𝐨𝐫𝐤𝐬𝐡𝐨𝐩 | 𝐎𝐧𝐥𝐢𝐧𝐞 | 𝐀𝐩𝐫𝐢𝐥 20-21, 2026! Ready to dive deep into SWAT+ Fortran code?

Mar 25

北科大-吳邦源, Chris George2

Mar 25

QSWAT+ / TauDEM ERROR 4: Unable to open .shx and failed to create stream shapefile

QGIS can sometimes hang on to part of a shapefile, eg the .shp and .dbf files while deleting others,

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QSWAT+ / TauDEM ERROR 4: Unable to open .shx and failed to create stream shapefile

QGIS can sometimes hang on to part of a shapefile, eg the .shp and .dbf files while deleting others,

Mar 25

楊毓婷, Chris George2

Mar 25

Did you set the reservoirs threshold on the Create HRUs form? Chris On 3/24/2026 9:16 AM, 楊毓婷 wrote:

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Did you set the reservoirs threshold on the Create HRUs form? Chris On 3/24/2026 9:16 AM, 楊毓婷 wrote:

Mar 25

Mar 18

NumPy compatibility issue with QSWAT+ 3.1.2 on QGIS 3.44.8 (Python 3.12)

Dear Chris George and SWAT+ User Group, I recently encountered a problem while trying to run QSWAT+ (

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NumPy compatibility issue with QSWAT+ 3.1.2 on QGIS 3.44.8 (Python 3.12)

Dear Chris George and SWAT+ User Group, I recently encountered a problem while trying to run QSWAT+ (

Mar 18

Kabagabe Racheal

Mar 18

Dear all, I keep getting this error despite checking all the yearly and average annual files under

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Dear all, I keep getting this error despite checking all the yearly and average annual files under

Mar 18

Arantxa Ortiz, … Chris George7

Mar 16

Error with GlobalVars

This error is caused by some module not loading (probably not the Parameters module). You need to

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Error with GlobalVars

This error is caused by some module not loading (probably not the Parameters module). You need to

Mar 16

Mar 15

QSWAT+ Compatibility Failure on M3 Mac / QGIS 3.44 (Apple Silicon)

I am writing to report significant compatibility issues with the current QSWATPlusMac3_64 installer

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QSWAT+ Compatibility Failure on M3 Mac / QGIS 3.44 (Apple Silicon)

I am writing to report significant compatibility issues with the current QSWATPlusMac3_64 installer

Mar 15

Mar 15

SWATGenX- An automated platform for generating high resolution SWAT+ models across the US.

Folks, I would like to introduce a platform I developed for creating SWAT+ models using US high-

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SWATGenX- An automated platform for generating high resolution SWAT+ models across the US.

Folks, I would like to introduce a platform I developed for creating SWAT+ models using US high-

Mar 15

Judith Eeckman, Chris George2

Mar 12

Playas parameters and Fields definition

On question 1 I hope someone else will answer: I am not a hydrologist. For question 2, assuming you

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Playas parameters and Fields definition

On question 1 I hope someone else will answer: I am not a hydrologist. For question 2, assuming you

Mar 12

EMMANUEL OPOKU YEBOAH

Mar 7

Undefined Soils In HRU Creation

Hello everyone, I got some errors during HRU creation and Importinf data to SWAT+ editor. Anyone who

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Undefined Soils In HRU Creation

Hello everyone, I got some errors during HRU creation and Importinf data to SWAT+ editor. Anyone who

Mar 7

Yashas Kumar H K, Luqman Hakim2

Mar 7

Issue with Inlet–Recall Configuration in SWAT+ Model

Dear Yashas, I have faced the similar problem, where the outlet shows low values. And I tried to

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Issue with Inlet–Recall Configuration in SWAT+ Model

Dear Yashas, I have faced the similar problem, where the outlet shows low values. And I tried to

Mar 7

Matthew Lombardo, … Nancy B. Sammons3

Mar 5

Hourly Timesteps for Model Output

Judith: Please send me your current txtinout folder and I will take a look at what might be happening

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Hourly Timesteps for Model Output

Judith: Please send me your current txtinout folder and I will take a look at what might be happening

Mar 5

Liaqat Ali Shah

Mar 2

Error while running the model

Hi everyone, While running the model in SWAT+, I face the following issue. I have selected all the

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Error while running the model

Hi everyone, While running the model in SWAT+, I face the following issue. I have selected all the

Mar 2

Thiago Ribeiro, Chris George3

Feb 16

I found a solution in another chat about similar issue. Summarizing, I renamed libgdal.so.32 to

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I found a solution in another chat about similar issue. Summarizing, I renamed libgdal.so.32 to

Feb 16

atuhwera loveline

Feb 16

Wetlands and lakes challenge.

Hi Everyone, Hope all is well here. Am currently using SWAT+ and my challenge is with lakes/ wetlands

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Wetlands and lakes challenge.

Hi Everyone, Hope all is well here. Am currently using SWAT+ and my challenge is with lakes/ wetlands

Feb 16

NERGIZ ÜZEL GÜNINI

Feb 16

qswat+ verisyon

merhaba qgis ve qswat kullanıcam ama hangi qgis versiyonunda en güzel çalışır karar veremiyorum. qgis

unread,

qswat+ verisyon

merhaba qgis ve qswat kullanıcam ama hangi qgis versiyonunda en güzel çalışır karar veremiyorum. qgis

Feb 16

atuhwera loveline

Feb 12

WETLAND AND LAKES CHALLENGES

Dear All, Hope this gets you well. Am currently using SWAT+ model for groundwater recharge. The

unread,

WETLAND AND LAKES CHALLENGES

Dear All, Hope this gets you well. Am currently using SWAT+ model for groundwater recharge. The

Feb 12

Matthew Lombardo2

Feb 12

Error in SWAT+ due to decision table

Hi all, I wanted to expand on my issue. I tested my model with just the management scheduels for HRUS

unread,

Error in SWAT+ due to decision table

Hi all, I wanted to expand on my issue. I tested my model with just the management scheduels for HRUS

Feb 12

Fereshteh Kordrostami, Chris George6

Feb 12

Questions on impact of channel delineation on LSUs and using LSU shapefile

Thanks, so in short, there is no way of getting what set of original HRUs that were merged/filtered

unread,

Questions on impact of channel delineation on LSUs and using LSU shapefile

Thanks, so in short, there is no way of getting what set of original HRUs that were merged/filtered

Feb 12

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