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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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Matthew Lombardo

Sep 3

No QSWAT Plugin Appearing in QGIS

Hi everyone, My name is Matt Lombardo, a master's student at UConn. I'm trying to use SWAT+

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No QSWAT Plugin Appearing in QGIS

Hi everyone, My name is Matt Lombardo, a master's student at UConn. I'm trying to use SWAT+

Sep 3

Matthew Lombardo

Sep 3

Error When Inputting Landuse and Soil Rasters

Hi everyone, My name is Matt Lombardo and I am a new QGIS and SWAT+ user. I'm a master's

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Error When Inputting Landuse and Soil Rasters

Hi everyone, My name is Matt Lombardo and I am a new QGIS and SWAT+ user. I'm a master's

Sep 3

Dipesh Shrestha

Sep 3

Hello everyone , I came across the error message in QSWAT+. If you have a solution to the issue,

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Hello everyone , I came across the error message in QSWAT+. If you have a solution to the issue,

Sep 3

邓钧, Paulo Amaral2

Aug 29

an error occurred simulate pesticide with swat+

Hello everyone, I am writing to this thread because I am also currently working with the SWAT+ Editor

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an error occurred simulate pesticide with swat+

Hello everyone, I am writing to this thread because I am also currently working with the SWAT+ Editor

Aug 29

Benthe, Nancy B. Sammons2

Aug 27

SWAT+gwflow error basin.carbon.tes not found / hydrograph module floating overflow forrtl error 72

Benthe: Please send your current txtinout and I will take a look at this for you. If the problem is

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SWAT+gwflow error basin.carbon.tes not found / hydrograph module floating overflow forrtl error 72

Benthe: Please send your current txtinout and I will take a look at this for you. If the problem is

Aug 27

Yashas Kumar H K, Nancy B. Sammons2

Aug 27

GWFlow crash: GW_FPLN_INFO subscript error after adding ISRIC/GLHYMPS and reservoirs

Yashas: I will take a look at this for you. Please send your current txtinout. Thank you, Nancy From:

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GWFlow crash: GW_FPLN_INFO subscript error after adding ISRIC/GLHYMPS and reservoirs

Yashas: I will take a look at this for you. Please send your current txtinout. Thank you, Nancy From:

Aug 27

shreya sajeevan, Nancy B. Sammons2

Aug 22

forrtl: error (65): floating invalid

Please check your daily temperature file(s) that is correct units and that Max is always greater than

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forrtl: error (65): floating invalid

Please check your daily temperature file(s) that is correct units and that Max is always greater than

Aug 22

Liaqat Ali Shah, Chris George2

Aug 20

Study area overlapping issue

It is easy in QGIS to assign a projection to a map instead of reprojecting it. I suspect this may

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Study area overlapping issue

It is easy in QGIS to assign a projection to a map instead of reprojecting it. I suspect this may

Aug 20

Aug 14

Thesis on soil organic carbon modelling using SWAT approach

Has anyone done something similar. Can you hep me with methodologies or any other additional

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Thesis on soil organic carbon modelling using SWAT approach

Has anyone done something similar. Can you hep me with methodologies or any other additional

Aug 14

Judith Eeckman, Chris George3

Aug 12

Python error when visualating Results

Yes, It seems like the results files are not written in /TxtInOut. But I don't get any error when

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Python error when visualating Results

Yes, It seems like the results files are not written in /TxtInOut. But I don't get any error when

Aug 12

zahra zeraatkar, … Engr CH M Subhan5

Aug 11

Question about BARR

Some portion of mine landuse being red slice also On Mon, Aug 4, 2025, 6:59 PM Engr CH M Subhan <

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Question about BARR

Some portion of mine landuse being red slice also On Mon, Aug 4, 2025, 6:59 PM Engr CH M Subhan <

Aug 11

Lukhmon Dadojonov

Aug 9

Irrigation canal feeding a reservoir delineated and outflow channel

Dear QSWAT+ community. I need your assitance in clarification of few point, which I encountered

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Irrigation canal feeding a reservoir delineated and outflow channel

Dear QSWAT+ community. I need your assitance in clarification of few point, which I encountered

Aug 9

조무빈 / 학생 / 환경설계학과, Chris George2

Aug 8

Stream Channal error

You change the channel and stream thresholds independently, so shortening channels does not

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Stream Channal error

You change the channel and stream thresholds independently, so shortening channels does not

Aug 8

Liaqat Ali Shah

Aug 7

Need Digital soil map of the world shape files

Hi, The FAO site in not working with me. Can somebody send me the digital soil map of the world shape

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Need Digital soil map of the world shape files

Hi, The FAO site in not working with me. Can somebody send me the digital soil map of the world shape

Aug 7

조무빈 / 학생 / 환경설계학과

Aug 7

Hello, I'm using SWAT to analyze Water Yield (WY) ecosystem services. However, when I perform

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Hello, I'm using SWAT to analyze Water Yield (WY) ecosystem services. However, when I perform

Aug 7

Lukhmon Dadojonov

Aug 5

Internal Error during HRU creation (Urgent)

Dear QSWAT+ users, Can anyone help me with the issue I faced during HRU creation? I have already

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Internal Error during HRU creation (Urgent)

Dear QSWAT+ users, Can anyone help me with the issue I faced during HRU creation? I have already

Aug 5

hidrologia corpochivor, Chris George2

Jul 29

CRITICAL: Could not write to the Robit_usersoil

You are trying to use the usersoil csv file Robit_usersoil.csv for the lookup table. The lookup table

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CRITICAL: Could not write to the Robit_usersoil

You are trying to use the usersoil csv file Robit_usersoil.csv for the lookup table. The lookup table

Jul 29

hidrologia corpochivor

Jul 29

How are you? I'm getting the following error: forrtl: error (65): floating invalid Image PC

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How are you? I'm getting the following error: forrtl: error (65): floating invalid Image PC

Jul 29

Jul 23

Error Creating watershed

Sorry, my English is not very good, so I might not express myself clearly. The problem I'm facing

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Error Creating watershed

Sorry, my English is not very good, so I might not express myself clearly. The problem I'm facing

Jul 23

joel italo, … Chris George6

Jul 18

Issue with Stream Creation in QSWAT+ Using TOPODATA DEM

I recently fixed some issues with lakes in grid models. Can you try again with version 3.0.7 from

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Issue with Stream Creation in QSWAT+ Using TOPODATA DEM

I recently fixed some issues with lakes in grid models. Can you try again with version 3.0.7 from

Jul 18

Lukhmon Dadojonov

Jul 14

HWSD v2.0 data integration

Dear QSWAT+ Professionals & Practioners, I am attempting to utilize HWSD 2.0 soil data in my

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HWSD v2.0 data integration

Dear QSWAT+ Professionals & Practioners, I am attempting to utilize HWSD 2.0 soil data in my

Jul 14

Mario Fomaca Jr2

Jul 8

ERROR HRU READ RASTER

Hello, I'm trying to create HRUs for a large watershed of 150000 km². However, when the process

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ERROR HRU READ RASTER

Hello, I'm trying to create HRUs for a large watershed of 150000 km². However, when the process

Jul 8

Ardi Yoga Marizki, Chris George2

Jul 5

EROR when create HRU

You have chosen to use your own database for landuse and soil. That means your database must have

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EROR when create HRU

You have chosen to use your own database for landuse and soil. That means your database must have

Jul 5

Liliana Bettolo

Jul 1

Ag Land Cover Data Prep

Hello! My research project requires I change field level management routines for corn fields within

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Ag Land Cover Data Prep

Hello! My research project requires I change field level management routines for corn fields within

Jul 1

Jul 1

Setting Up HRUs

Hi All, I am trying to create HRUs, but some how I am unable to create HRUs due to user soil in

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Setting Up HRUs

Hi All, I am trying to create HRUs, but some how I am unable to create HRUs due to user soil in

Jul 1

Daff gul, … Chris George3

Jun 25

The full and then actual HRUs shapefiles are only produced if you check the "Create fullhrus

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The full and then actual HRUs shapefiles are only produced if you check the "Create fullhrus

Jun 25

Jun 24

Reservoir Outlet Mismatch

Dear SWAT+ User Group, I hope you are doing well. I am currently working on a watershed model using

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Reservoir Outlet Mismatch

Dear SWAT+ User Group, I hope you are doing well. I am currently working on a watershed model using

Jun 24

Martha Ryan, Tawan Charoenpittaya2

Jun 24

Reservoir Placement for Wetlands

I'm not sure if I can explain this clearly, but I once encountered a similar issue. It seemed

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Reservoir Placement for Wetlands

I'm not sure if I can explain this clearly, but I once encountered a similar issue. It seemed

Jun 24

Lefa Morake, Tawan Charoenpittaya2

Jun 24

You're encountering exactly the same issue I had! Just yesterday I was working on this part of

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You're encountering exactly the same issue I had! Just yesterday I was working on this part of

Jun 24

Tawan Charoenpittaya

Jun 22

Problem with Adding Lake Cells

I'm experiencing an issue when trying to add lake cells. After clicking to add them, it seems

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Problem with Adding Lake Cells

I'm experiencing an issue when trying to add lake cells. After clicking to add them, it seems

Jun 22

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