Environmental Project's Achievements Reports Query System

General inspection groundwater environment of landfill in taiwan

Absrtact	In order to promote the soundness of the overall landfills and prevent groundwater contamination, this project conducts an overall inspection and evaluation of landfills, including 300 landfills’ groundwater monitoring wells functional integrity investigation and inventory.Cleaning, photography, slug test, coordinate and elevation measurement of 55 monitoring wells. Analysis groundwater quality of 25 landfills of Water Quality and Quantity Protection Area, Drinking Water Source Protection Area, closed for 10 years and public concern for ensure the safety of water for the public and maintain the surrounding hydrological environment. In terms of the appearance and functional inventory of monitoring wells, part of the exteriors have damaged cement platforms or shortage of warning columns, foreign matter and siltation at the bottom of the well are the most common occurrences of internal inspection. On the whole, most of the monitoring wells in the landfills are structurally complete, and routine groundwater quality operations can still be performed. In addition, according to the survey results of the 25 sites in the high and dry period of groundwater quality, the control items such as heavy metals were not shown in this inspection. In addition, based on the analysis of the groundwater quality monitoring results of public landfill sites in the past three years, only the general water quality items of each landfill site are relatively high, and if there are related agricultural, industrial, breeding and other human activities in the surrounding environment, there are also considerable pollution contributions. Most of the heavy metal items were not detected or detected in trace amounts. A small number of sites have detected phenomena that exceed monitoring standards or control standards, but none of them were detected continuously. It is speculated that it may be caused by too much soil colloid in the water during sampling, which is due to geological factors.
Keyword	landfill inspection, groundwater quality monitoring, functional inventory of monitoring wells

Absrtact

In order to promote the soundness of the overall landfills and prevent groundwater contamination, this project conducts an overall inspection and evaluation of landfills, including 300 landfills’ groundwater monitoring wells functional integrity investigation and inventory.Cleaning, photography, slug test, coordinate and elevation measurement of 55 monitoring wells. Analysis groundwater quality of 25 landfills of Water Quality and Quantity Protection Area, Drinking Water Source Protection Area, closed for 10 years and public concern for ensure the safety of water for the public and maintain the surrounding hydrological environment. In terms of the appearance and functional inventory of monitoring wells, part of the exteriors have damaged cement platforms or shortage of warning columns, foreign matter and siltation at the bottom of the well are the most common occurrences of internal inspection. On the whole, most of the monitoring wells in the landfills are structurally complete, and routine groundwater quality operations can still be performed. In addition, according to the survey results of the 25 sites in the high and dry period of groundwater quality, the control items such as heavy metals were not shown in this inspection. In addition, based on the analysis of the groundwater quality monitoring results of public landfill sites in the past three years, only the general water quality items of each landfill site are relatively high, and if there are related agricultural, industrial, breeding and other human activities in the surrounding environment, there are also considerable pollution contributions. Most of the heavy metal items were not detected or detected in trace amounts. A small number of sites have detected phenomena that exceed monitoring standards or control standards, but none of them were detected continuously. It is speculated that it may be caused by too much soil colloid in the water during sampling, which is due to geological factors.

Keyword

landfill inspection, groundwater quality monitoring, functional inventory of monitoring wells