ABSTRACT:- Risk assessement of induced hydrological interferences: conceptual and practical approaches in Bistrita`s Hills. Our study emphasize on water chemistry and its diversity in relation to local factors. Chemical compatibility between surrounding rock, groundwater or surface water is an essential factor that should be considered for longterm or permanent forecasts of water quality.This factor involves lithological and hydrological interferences having relevant influence in determining the risk of failure to attain good environmental status.
Key- words: water quality, contaminants, lithological, hydrological interferences
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