Several people are using domestic level Ground water RO plants in our area and they are discharging their discharge water into the ground without ant treatment or precautions, due to that, the area soil and ground water getting more saline ? for that we need to suggest proper methodology discharge water.
Best way would be to introduce separate/small pipe system and collect this water in a common place. You may accumulate it in rain water harvesting tank, as the water is not dirty. You may also use as toilet flush. But do not use as watering plants/garden as it spoils the soil as you have mentioned also.
The brine will always have high salinity and therefore increase the salinity of the subsoil water. To maintain the ground salinity the domestic water used should be recovered, treated and injected into the soil along with the brine. But it would end contaminating ground water with fecal bacteria.
I guess you are in a warm climate, for moderate amounts of brine, store it in a shallow lagoons and let it evaporate. Periodically remove the salts for disposal.
The brine disposal exhibits elevated salt contents. So this brine must be properly managed in order to avoid environmental contamination.There are many brine disposal methods available today, which all have different environmental and capital costs. The common brine disposals methods are : Deep well injection is presently applied worldwide for disposal of industrial, municipal and liquid hazardous wastes; Evaporation pond technology is practiced primarily in the Middle East; and Solar Ponds as a renewable. energy, Brine can also be an effective dust control agent for dryer climates and in summer months. It is applied to roadways or fields by spraying.
RO discharged water should be collected in a tank, and use in toilet septic tank / recycle and use in gardening.
I agree with Saxena answer
RO discharged water should be collected in a tank, and use in toilet septic tank / recycle and use in gardening.
The area is high water table area, if use it for toilet, again it my contaminate the soil and ground water. another problem the discharge amount also comparably less, around 40 - 60 L per day.
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