A good cup of coffee is made up of about 98.75% water so it makes sense that the better the water, the better the cup of coffee. There are a couple of things you can do immediately depending upon what you have in your kitchen today.
First, if you have a water dispenser in the door of your refrigerator make sure you replace the filter and do so when your refrigerator tells you to. If you don't have a water dispenser in your refrigerator, buy yourself an inexpensive filter for your kitchen sink tap or one of those water filter pitchers.
Finally, make sure you keep your coffee brewer clean. Descaling on a regular basis (most brewers today notify you when you should do so) is important as it not only keeps the water clean but also keeps the flow of water optimal for a good pot of coffee.
It's amazing how different coffee tastes based on the quality of the water.
Next week we'll talk weight (coffee weight, not your weight ;). Until then, we hope you're having great moments with locally roasted, fresh coffee. Cheers!