pH measures water's acidity or alkalinity. Extreme pH can corrode pipes, releasing metals into water. Ideal drinking water pH is 6.5-8.5. pH affects taste and other contaminants.

pH is a fundamental water quality parameter, measured on a scale of 0-14. It indicates the concentration of hydrogen ions in water, with 7 being neutral, lower values acidic, and higher values alkaline. Natural factors like rock composition and atmospheric CO2 influence pH. Human activities, including industrial discharges and agricultural runoff, can also alter water pH. Water treatment plants adjust pH to protect distribution systems and optimize other treatment processes. Regular monitoring ensures water remains within safe and palatable ranges for consumption.