<human>:  How can I reduce my water bills?
<bot>: The best way to reduce your water bills is to make sure that you are not wasting water. Check for any leaks around your house and repair them if necessary. Install water-saving devices, such as low-flow shower heads, faucet aerators, and toilets, to help reduce your water usage. Reduce your shower time and minimize the amount of time you spend running the water for other tasks. Try to only run the dishwasher and washing machine when you have a full load. Make sure you have a rain barrel or other water collection system to help you reduce your reliance on external water sources.