Report on water quality of urban Centralized drinking water sources in Songyuan City in March 2022

2022-08-01 0 By

Songyuan city in March 2022 of the water quality of drinking water status report 1, monitoring points songyuan to matsubara city, the water source of drinking water tap water, the dragon hole, hada mountain, saemaul undong waterworks, the erlong waterworks five monitoring points, including matsubara for surface water, tap water and dragon pit saemaul undong waterworks, the erlong waterworks for groundwater monitoring points.Monitoring items and Frequency Songyuan Tap Water, Longkeng and Hada Mountain monitoring items are the basic items (24 items) in Table 1 of Surface Water Environmental Quality Standard (GB 3838-2002), and the supplementary items (5 items) in Table 2, a total of 29 items;The monitoring items of Xincun and Erlongshan Water Works are 23 items in Table 1 of Groundwater Quality Standard (GB/T 14848-2017).The monitoring frequency of all five sites was once a month.3. Monitoring and analysis methods National or industry standard analysis methods are preferred for monitoring methods.4. Evaluation Standard and Method The quality evaluation of surface water source shall be carried out according to the Class ⅲ standard or corresponding standard limit value of Environmental Quality Standard for Surface Water (GB3838-2002), and the evaluation method shall be carried out according to Environmental Quality Evaluation Method for Surface Water (Trial) (No. 22 [2011] of HUANban).The water quality evaluation of groundwater source shall be carried out according to the Groundwater Quality Standard (GB/T 14848-2017). The water quality evaluation shall be based on the class ⅲ standard limit value and adopt the single factor evaluation method.5. Evaluation Results In March 2022, Xincun Water Works and Erlongshan Water Works reached the Level ⅲ of Groundwater Quality Standard (GB/T 14848-2017), and the water quality was good.The water quality of songyuan tap water and Longkeng drinking water reaches the class ⅲ standard of Environmental Quality Standard for Surface Water (GB3838-2002), and the water quality is good. The Water source of Hada Mountain is class ⅳ, and the total phosphorus exceeds the standard (see table below).The copyright of this article belongs to the original author, if there is a source error or infringement of your legitimate rights and interests, you can contact us through email, we will promptly deal with.Email address: jpbl@jp.jiupainews.com