Table 8 Summary of literature for areas identified as being vulnerable, or potentially vulnerable, to SWI in the Northern Territory. SWI Aquifer Driving SWI SWI Level of Land/water Location References occurrence Investigations lithology factors monitoring management assessment use reported Howard (EHA, Cretaceous No Dry season Water levels; No No None to Domestic; Springs, 2007; EHA, metasediments Groundwater salinity; Very Low public McMinns 2009; Haig overlying extractions FEFLOW water & and weathered and exceeding supply; Lambell’s Townsend, fractured wet season horticulture; Lagoon 2003) Proterozoic recharge agriculture (Darwin dolomite Area) Warruwi* (Foo and Weathered No Groundwater No Yes, water None to Domestic; (Goulburn Moretti, Cretaceous extractions hyrogeological banking and Very Low small island) 1991; sediments characterisation, trialing ASR gardens Pavelic et water banking al., Milingimbi* (Foo, Fractured No Groundwater Basic No No None to Domestic; Foo, 1982b; laterite and extractions hydrogeological Very Low small Martin, Cretaceous characterisation gardens 1991) sandstone and simple numerical model; geophysical Ngukurr* (Foo, 2002; Fractured No Groundwater Basic No No, but None to Domestic; Jolly, 2002; Proterozoic extractions; hydrogeological considering Very Low small Moretti et bedrock & ASR gardens al., 1992; influences hydrochemical Sumner, characterisation 2008) Milikapiti* (Chin, Tertiary & No Groundwater No No None to Domestic; (Melville 1992) Cretaceous extractions hydrogeological Very Low small Island) sandstones characterisation gardens * areas were highlighted by stakeholders as potentially vulnerable to SWI, although there may be little to no SWI references/information available
Table 8 Summary of literature for areas identified as being vulnerable, or potentially vulnerable, to SWI in the Northern Territory. Location References Aquifer lithology SWI occurrence reported Driving factors Investigations SWI monitoring SWI management Level of assessment Land/water use Howard Springs, McMinns & Lambell’s Lagoon (Darwin Area) (EHA, 2007; EHA, 2009; Haig and Townsend, 2003) Cretaceous metasediments overlying weathered and fractured Proterozoic dolomite No Dry season Groundwater extractions exceeding wet season recharge Water levels; salinity; FEFLOW No No None to Very Low Domestic; public water supply; horticulture; agriculture Warruwi* (Goulburn island) (Foo and Moretti, 1991; Pavelic et al., Weathered Cretaceous sediments No Groundwater extractions hyrogeological characterisation, water banking No Yes, water banking and trialing ASR None to Very Low Domestic; small gardens Milingimbi* (Foo, Foo, 1982b; Martin, 1991) Fractured laterite and Cretaceous sandstone No Groundwater extractions Basic hydrogeological characterisation and simple numerical model; geophysical No No None to Very Low Domestic; small gardens Ngukurr* (Foo, 2002; Jolly, 2002; Moretti et al., 1992; Sumner, 2008) Fractured Proterozoic bedrock No Groundwater extractions; influences Basic hydrogeological & hydrochemical characterisation No No, but considering ASR None to Very Low Domestic; small gardens Milikapiti* (Melville Island) (Chin, 1992) Tertiary & Cretaceous sandstones No Groundwater extractions hydrogeological characterisation No No None to Very Low Domestic; small gardens * areas were highlighted by stakeholders as potentially vulnerable to SWI, although there may be little to no SWI references/information available