The Reach's Simple Well-Mixed Salinity methods were enhanced for better handling of salt mass for flows near zero. Also, the methods allow Diversion Salt Mass to be greater than Inflow Salt Mass to accommodate modeling techniques employed by some users.

Improved Simple Well-Mixed Reach Salinity Modeling when solving upstream. Previously, the Return Flow Salt Mass could only be linked to the same object to which the Diversion Salt Concentration was linked or an error would occur. Now, this is allowed, but the Return Flow Salt Mass must be known or the reach will exit the dispatch method and wait for more information. For more information, see Solve In Salt Given Out Salt in Water Quality.