In most situations, your pool water will have no effect on the grass growing around your swimming pool. ... Any issues caused by pool water getting in your landscaping are results of too much chlorine or salt.

Is chlorine harmful to grass?

If an individual empties their pool water on their lawn, will it end up killing the turf? In most cases very little to no damage has been seen in these situations. Turf can endure higher chlorine levels than other landscape plants such as trees, shrubs, and ornamentals.

How long does it take for chlorine to kill grass?

How Long Does it Take For Bleach to Kill Grass? It takes three to four days after grass has been exposed to grass before the grass dies.