You can start with a DIY test kit from your local hardware store or online for under $20. They come with strips you dip into a glass of tap water. Wait a few seconds, then match the colors to a chart. Easy peasy. If you want to get fancy, buy a digital TDS meter (Total Dissolved Solids)—it gives you a number that tells you how much “stuff” is floating in your water. It’s like a fitness tracker for your tap.
How to Test Water Quality at Home: Your Complete Guide – World Water
Another option is a mail-in lab test. You fill a bottle, send it off, and get a detailed report back. This is for the overachievers who want hard data on bacteria or heavy metals. Both methods take less than an hour of your time—and the payoff? You’ll feel like a water wizard.