The mountain spring water that everyone has been drinking for five years is very sour. Can I drink it or not?

According to the existing knowledge, if you drink acidic water for a long time, it may have adverse effects on your body. The drinking water quality standard formulated by the World Health Organization clearly stipulates that "safe water" refers to water that meets its 3 1 water quality index, and safe water refers to drinking water that is harmless to human body. However, acidic water may be unsafe for human body, because some organs of human body cannot be in acidic environment for a long time.

Therefore, if the five-year mountain spring water you described is sour, it is recommended not to drink it. If you must drink, you can try to treat the water properly to make it close to neutral. For example, an appropriate amount of alkaline substances such as sodium carbonate or sodium bicarbonate can be added to neutralize the acidity of water. But the best way is to contact relevant departments or properties, find out the source of water acidity and take corresponding measures to solve the problem, so as to ensure the safety of drinking water.

Please note that if you are not sure about the safety of water or have other questions, it is best to consult professionals or relevant institutions.