Southland's Freshwater Management Units (FMUs) have been set in accordance with the National Policy Statement for Freshwater Management 2014 (NPSFM, as amended in 2017). The five FMUs in Southland are Aparima, Fiordland and Islands, Mataura, Oreti, Waiau. A freshwater management unit (FMU) is a concept used nationally to plan and manage freshwater. The...

Other confined aquifers exist in Southland but are not specifically acknowledged in regional plans due either small size or limited resource use. The Lumsden and North Range aquifers are situated in Quaternary age alluvial deposits. These accumulations of gravel, sand, silt and clay were lain down by rivers many years ago and are now buried below the...

Southland’s physiographic zones allow us to better understand why we have variations in water quality in different areas. Southland has been divided into nine different zones according to factors such as soil type, geology and topography. We can then target solutions to higher risk areas as opposed to a region-wide, generalised approach. This layer was...

The information provided is derived from Environment Southland's Selected Land Use Sites (SLUS) register only and is made available to you under the Local Government Official Information and Meetings Act 1987. Environment Southland has made every effort to ensure the accuracy of the location, extent, and relevant information about each HAIL activity on...

The awareness of liquefaction has increased markedly since the Christchurch earthquakes. It is basically an earthquake related process of turning a solid soil into a liquid and weaker state. It is most likely to occur in saturated sands and silts. Related to liquefaction is a process called lateral spreading, whereby land moves towards lower areas whilst...