Researchers tested spring, groundwater, and purified bottled waters against local tap to see how treatment shapes the ...

If you live in the District or Northern Virginia, your water might start to smell funny on Monday. That’s because of an annual change to the water purification process — a sort of “spring cleaning” ...

Water is essential to nearly every function in the human body, yet not all water is created equal. From tap to filtered to distilled, the choices can feel overwhelming, but spring water continues to ...