ADDING RESERVOIRS & POINT SOURCES

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Benjamin Donkor

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Aug 5, 2025, 12:03:32 PMAug 5
to QSWAT
Hello SWAT users,

I have already delineated my watershed using the predefined or existing watershed option and would like to include reservoirs/dams in my SWAT model. I am working with QSWAT.
Is it possible to add a shapefile of the reservoirs (with lat/lon coordinates) to the watershed without selecting the subbasins manually? I have about 150 reservoirs I would want to add to my watershed.
Anyone here who can help?

Thanks,
Benjamin

Filipe S C Pinhati

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Aug 14, 2025, 8:52:52 AMAug 14
to Benjamin Donkor, QSWAT
Hi Benjamin, 

As far as I know, and I am talking about SWAT 2012, not SWAT+, you have to create each reservoir mannualy, which includes creating a reservoir point at the outlet of the reservoir, and one subbasin point at each mouth of tributaries that flow into the reservoir. 

So, if a reservoir has 10 tributaries, you will need to create 10 subbasin points at the mouth of each tributary, plusone reservoir point at the outlet of the reservoir.

Cheers

Filipe Pinhati

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