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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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Himmat Basnet, … Paulo Amaral3

Sep 19

Pesticide modelling error

TxtInOut.zip Hi Nancy, I am encountering the same error with my model when simulating pesticides.

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Pesticide modelling error

TxtInOut.zip Hi Nancy, I am encountering the same error with my model when simulating pesticides.

Sep 19

Jonas, … Anurag Yadava6

Sep 18

No (=0) crop yield values after change from auto management schedule to manual schedule

buddy, did u get the way to understand how crop yield is not simulated....if yes please tell me.

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No (=0) crop yield values after change from auto management schedule to manual schedule

buddy, did u get the way to understand how crop yield is not simulated....if yes please tell me.

Sep 18

Sep 18

Re: [QSWAT+ User Group] an error occurred simulate pesticide with swat+

TxtInOut.zip Dear SWAT+ User Group, I am encountering a persistent forrtl: error (72): floating

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Re: [QSWAT+ User Group] an error occurred simulate pesticide with swat+

TxtInOut.zip Dear SWAT+ User Group, I am encountering a persistent forrtl: error (72): floating

Sep 18

Ankitam Khanal, Nancy B. Sammons2

Sep 17

Error...Im a 1st time user

Review the table for reasonable inputs and with no blank fields specifically in soil 4. From:

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Error...Im a 1st time user

Review the table for reasonable inputs and with no blank fields specifically in soil 4. From:

Sep 17

BONWABILE XOZA, Nancy B. Sammons2

Sep 17

Floating Invalid Error in GWFlow Simulation (SWAT+ rev. 61.0.1)

Bonwabile: We have seen this error in the past with a few others that use the groundwater flow

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Floating Invalid Error in GWFlow Simulation (SWAT+ rev. 61.0.1)

Bonwabile: We have seen this error in the past with a few others that use the groundwater flow

Sep 17

Sep 17

Septic tank parameters

Hi All, Does anyone know or can confirm that if a conventional septic system is selected (ISEP_TYP=1)

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Septic tank parameters

Hi All, Does anyone know or can confirm that if a conventional septic system is selected (ISEP_TYP=1)

Sep 17

Sep 17

to create new project

Respected sir / Madam i am new in this group. I want to learn SWAT modeling for my thesis. Please

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to create new project

Respected sir / Madam i am new in this group. I want to learn SWAT modeling for my thesis. Please

Sep 17

SOPHORN LYSEANG

Sep 17

Hello, group. Could you explain me about this type of error? It happened while I'm importing the data into weather station.

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Hello, group. Could you explain me about this type of error? It happened while I'm importing the data into weather station.

Sep 17

Jaclyn B. Tech, Jaclyn Tech2

Sep 10

SWAT+ Developer Workshop

Registration open now for the SWAT+ Developer Workshop. Registration is for those attending in-person

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SWAT+ Developer Workshop

Registration open now for the SWAT+ Developer Workshop. Registration is for those attending in-person

Sep 10

Miguel Rodrigues

Sep 10

Baseflow values

Dear SWAT+ users, Can someone provide me a straightforward way to obtain simulated baseflow values

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Baseflow values

Dear SWAT+ users, Can someone provide me a straightforward way to obtain simulated baseflow values

Sep 10

Sep 10

Hello everyone, I set up crop rotations with SWATFarmR and would like to obtain the annual harvested

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Hello everyone, I set up crop rotations with SWATFarmR and would like to obtain the annual harvested

Sep 10

Jerome El Jeitany, … María Eugenia Borges3

Sep 10

instability in sub-daily routine SWAT+ 61.0.1

Hi all, I'm having the same issue with the flow magnitudes when I try to run the model to obtain

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instability in sub-daily routine SWAT+ 61.0.1

Hi all, I'm having the same issue with the flow magnitudes when I try to run the model to obtain

Sep 10

Mario Fomaca Jr

Sep 10

Total Suspended Solids(TSS) calibration

Hi everyone, I've successfully calibrated my flow model, and now I need to calibrate the sediment

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Total Suspended Solids(TSS) calibration

Hi everyone, I've successfully calibrated my flow model, and now I need to calibrate the sediment

Sep 10

FELIPE SANTOS, Nancy B. Sammons2

Sep 8

error in the simulation

Felipe: You should check the 'soils.sol' file to ensure all the properties are reasonable

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error in the simulation

Felipe: You should check the 'soils.sol' file to ensure all the properties are reasonable

Sep 8

Sep 8

Plants to implement animal herd simulation (.hrd) as per Bieger et al. 2017?

Title says it all. I was hoping to use the .hrd herd movement feature mentioned in Bieger et al. 2017

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Plants to implement animal herd simulation (.hrd) as per Bieger et al. 2017?

Title says it all. I was hoping to use the .hrd herd movement feature mentioned in Bieger et al. 2017

Sep 8

Matthew Lombardo, Chris George2

Sep 4

Error When Inputting Soil and Landuse Rasters

My guess is that you have assigned a projection to your soil and/or landuse map rather than properly

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Error When Inputting Soil and Landuse Rasters

My guess is that you have assigned a projection to your soil and/or landuse map rather than properly

Sep 4

Madan Kumar M, Nancy B. Sammons2

Sep 4

Madan: You can check the 'soils.sol' file for reasonable values. Also, that there are no

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Madan: You can check the 'soils.sol' file for reasonable values. Also, that there are no

Sep 4

Ilham Mrabt, Nancy B. Sammons2

Sep 4

Issue running SWAT+: floating divide by zero error

You might check the file named ' hru-lte.hru' to ensure that there are no zeroes in the '

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Issue running SWAT+: floating divide by zero error

You might check the file named ' hru-lte.hru' to ensure that there are no zeroes in the '

Sep 4

Karles Allesandro Pescoran Heredia

Sep 3

Decision table error

Hello everyone I am trying to run my model, but I am getting an error. To fix it, I tried printing

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Decision table error

Hello everyone I am trying to run my model, but I am getting an error. To fix it, I tried printing

Sep 3

SOPHORN LYSEANG, Nancy B. Sammons3

Sep 3

Greeting, I am a new learner with SWAT+ Model setup and I have an error while I am running the model setup. I attached the error message below. I hope I can get any suggestion and recommendation from all of you.

Thank you, I will do that. On Tue, 2 Sept 2025 at 19:51, Nancy B. Sammons <nancy....@brc.tamus

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Greeting, I am a new learner with SWAT+ Model setup and I have an error while I am running the model setup. I attached the error message below. I hope I can get any suggestion and recommendation from all of you.

Thank you, I will do that. On Tue, 2 Sept 2025 at 19:51, Nancy B. Sammons <nancy....@brc.tamus

Sep 3

Sep 3

Questions regarding wetland in SWAT+

Hello all, I am Dogil Lee who just started working with SWAT+. I was able to add a wetland in an

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Questions regarding wetland in SWAT+

Hello all, I am Dogil Lee who just started working with SWAT+. I was able to add a wetland in an

Sep 3

Sep 3

Question regarding wetland routing

Hello all, I am new to SWAT+, and trying to create/connect wetland in an existing SWAT+ model. I was

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Question regarding wetland routing

Hello all, I am new to SWAT+, and trying to create/connect wetland in an existing SWAT+ model. I was

Sep 3

Karles Allesandro Pescoran Heredia

Sep 3

Dear all Does anyone know why the LAI behavior in my basin converges instead of continuing its

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Dear all Does anyone know why the LAI behavior in my basin converges instead of continuing its

Sep 3

Matthew Lombardo

Sep 3

Error When Inputting Landuse and Soil Rasters

Hello, I'm a new user to SWAT+ and I'm trying to create a model to use for my master's

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Error When Inputting Landuse and Soil Rasters

Hello, I'm a new user to SWAT+ and I'm trying to create a model to use for my master's

Sep 3

Nancy B. Sammons

Sep 2

RE: [SWAT+ User Group] need help with an error in SWAT+

Valentin: Send me your current txtinout directory (in a compressed format) and I will take a look.

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RE: [SWAT+ User Group] need help with an error in SWAT+

Valentin: Send me your current txtinout directory (in a compressed format) and I will take a look.

Sep 2

Aug 31

Re: Evapotranspiration data in m3 as an output

Dear all, The output of swat+ model gives the evapotranspiration in m3 . I feel it should be in mm.

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Re: Evapotranspiration data in m3 as an output

Dear all, The output of swat+ model gives the evapotranspiration in m3 . I feel it should be in mm.

Aug 31

Matthew Boettcher, Nancy B. Sammons2

Aug 29

Error when trying to run SWAT+ simulation

Matthew: I would need your data to debug. Please send me your current txtinout in a compressed format

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Error when trying to run SWAT+ simulation

Matthew: I would need your data to debug. Please send me your current txtinout in a compressed format

Aug 29

Matthew Boettcher

Aug 29

Error when running SWAT+ rev. 61.0.1

Hi everyone, I am trying to run a SWAT+ simulation looking at land use effects on flood risk. When I

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Error when running SWAT+ rev. 61.0.1

Hi everyone, I am trying to run a SWAT+ simulation looking at land use effects on flood risk. When I

Aug 29

Aug 27

An error occurred when adding pesticides in SWAT+

Hello everyone, I want to use SWAT+ to simulate pesticide application in a watershed, but after I

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An error occurred when adding pesticides in SWAT+

Hello everyone, I want to use SWAT+ to simulate pesticide application in a watershed, but after I

Aug 27

Aug 25

SWAT+ Calibration tools for Mac?

Hey everyone, I am wondering if there are sensitivity analysis and calibration tools for SWAT+ that

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SWAT+ Calibration tools for Mac?

Hey everyone, I am wondering if there are sensitivity analysis and calibration tools for SWAT+ that

Aug 25

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