Water quality monitoring and evaluation of irrigation water in Hebei Plain

In order to grasp the status and trend of the agricultural water environment in a timely manner,according to the Standard for the Quality of Irrigation Water,the quality of irrigation water in a sub-watershed was monitored for 11 items in two years.The pollution index method was used to evaluate the monitoring data.The results show that the comprehensive pollution index of the surface and groundwater irrigation water is less than 1,except for individual items over the standard for single index.In summary,the quality of irrigation water meets the requirements for irrigation water.The irrigation water is safe and reliable.