Can too much water kill grass?

Yes, too much water can kill grass. When the soil is saturated with water, the roots of grass plants can't get enough oxygen, which can lead to root rot and other diseases. Additionally, too much water can wash away nutrients from the soil, making it difficult for grass plants to grow. The amount of water that grass needs varies depending on the type of grass, the climate, and the time of year. In general, grass needs about 1 inch of water per week during the growing season. However, during hot, dry weather, grass may need more water.