Ground water is generally polluted by leachates from sewage and agricultural lands. The main pollutants from sewages are nitrate nitrogen and fecal coliform. Both are hazardous when its level at high concentration in ...

Un-protected open dug wells of shallow groundwater environments are subjected to high risk of chemical and microbial pollution in many parts of the world. The present study was initiated in Pungudutivu, one of the surrounding ...

Groundwater is the main source of freshwater. Groundwater denotes to all the water occupying the voids, pores and fissures within geological formations, which originated from atmospheric precipitation either directly by ...

Jaffna peninsula in Sri Lanka is an area of intensive agriculture using extensive organic and inorganic nitrogenous compounds and hence, this study was focused on assessing vulnerability of karstic aquifer system with ...