[2019] NZEnvC 153 Selwyn Quarries Limited v Canterbury Regional Council [pdf, 4.7 MB]
...organic material in the soils may also react and consume some dissolved oxygen in the groundwater. The overall effect would be a change in the taste, colour or odour of the groundwater. These effects are aesthetic, rather than representing a risk to human health.31 [41] That said, the evidence considered by the Hearings Commissioners on the presence of organic material in deep fill is not limited to changes in the aesthetic values of potable water supplies. The evidence, which inclu...