The water quality of Bishan Phoenix City is qualified. The water quality standard of tap water in Bishan Phoenix City is stipulated by relevant national, provincial and municipal standards. According to the Hygienic Standard for Drinking Water in People's Republic of China (PRC) (GB5749-2006) and the Water Quality Standard for Tap Water in Chongqing (DB121846-2010), the tap water quality of Bishan Phoenix City meets the following indicators:

1, appearance: colorless and transparent, without suspended matter and sediment.

2, smell: no obvious smell.

3.pH value: 6.5-8.5.

4. Soluble inorganic substances (in mg/L): aluminum (Al)≤0.2, iron (Fe)≤0.3, manganese (Mn)≤0. 1, fluorine (F)≤ 1.0, selenium (Se) ≤ 0.0/kloc.

5. Organic matter: total organic carbon (TOC)≤2.0mg/L, volatile organic compounds (VOCs) ≤ 5 μ g/L. ..

6. Microbiological indicators: coliforms ≤1100 ml, total coliforms ≤100/1000 ml, and total colonies ≤ 1000CFU/mL. Therefore, the water quality of Bishan Phoenix is qualified.