Groundwater remediation

"Removal of the source of contamination and treatment of the ground water, the aquifer materials, or both to remove the contaminants in the water." (Kansas Geological Survey, 2022). "Groundwater remediation processes can be performed in-situ or ex-situ. The in-situ remediation process involves cleaning the water through biological or chemical means on-site. It is the less expensive method of groundwater remediation. Ex-situ treatment is typically a more expensive and time-consuming process as it involves the excavation and transport of the contaminated groundwater for treatment. It does have the advantage of immediately preventing the groundwater from suffering from further pollution and it can be necessary if the damage is too difficult to be treated by on-site remediation methods. The methods used by environmental consultants are often combined for increased effectiveness, but the treatment processes mainly fall into three different categories: physical (pump and treat, air sparging or air stripping), biological (bioaugmentation, bioventing and biosparging) and chemical (carbon absorption, ion exchange and oxidation)." (Alpha Environmental, 2021)
 

Sources

Alpha Environmental. "An Introduction to Groundwater Remediation Options: Physical, Biological and Chemical Treatments." Link: https://www.alphaenvironmental.com.au/an-introduction-to-groundwater-re… (Accessed 10 November 2022)

Kansas Geological Survey. "Plume Busters Groundwater Glossary." Geohydrology section and water resources information. (2022). Link: https://www.kgs.ku.edu/Hydro/GWtutor/Plume_Busters/gwGlossary.html#G (Accessed 10 November 2022)