What is the normal pH range of surface and ground water?

The normal pH range of surface and ground water typically falls between 6.5 and 8.5. This range is considered optimal for aquatic life and is important for various chemical processes that affect water quality. A pH level below 6.5 can indicate increased acidity, which may harm aquatic organisms, while a pH above 8.5 may lead to alkalinity issues that can also negatively impact aquatic ecosystems.

Maintaining water within this range is crucial for ensuring that the ecosystem remains balanced and that the water remains suitable for drinking and other uses. Additionally, the pH of water can influence the solubility of nutrients and contaminants, thus affecting water treatment processes and overall water quality management.