Suggest a few useful ways of utilising waste water.

Explanation

### Step-by-Step Solution

1. **Recharge Groundwater**: One of the most effective ways to utilize wastewater is by recharging groundwater. This can be done by allowing treated wastewater to seep into the ground. For example, after washing a car, the leftover water can be collected and poured into the soil, where it will filter through and replenish the groundwater supply.

2. **Rainwater Harvesting**: Another useful method is to collect and store rainwater. This can be done using various containers such as buckets or barrels. The collected rainwater can be used for various purposes, including irrigation, flushing toilets, or even watering plants.

3. **Creating Rain Gardens**: Rain gardens are specially designed areas that can absorb rainwater runoff. These gardens are typically planted with native vegetation that can thrive in wet conditions. They help in managing stormwater and can also be a beautiful addition to landscapes.

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