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The Potential Hazard On-Site Wastewater Treatment Systems in Darfield and Kirwee Present to Local Groundwater Quality and Critique of Current Assessment Methods

Summary

This report was prepared for the Ministry of Health to review the hydrogeological setting in the Darfield-Kirwee area, assess the vulnerability of the aquifer underlying the central Canterbury Plains to water quality impacts from the septic tank clusters, and analyse the functionality of Selwyn District Council’s (SDC’s) groundwater quality monitoring well network.

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