IAH (NT) Morning Hydrogeology Guided Walk

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Howard Springs Nature Reserve

Main Weir

Darwin, NT 0835

Event description


The IAH (NT) wish to invite you to enjoy a guided walk with one of the NT's most well known Hydrogeologist's, Steven Tickell.

Steven will guide us to some of his local favourites where you can learn more about the history of groundwater extraction, the geological setting and aquifer characteristics.


  • Current financial IAH members may bring up to 3 guests.
  • Past IAH members are welcome to attend.
  • Students and members of other Geoscience-related organisations are also welcome to attend.


1. Howard Spring

Karstic spring, one of the main natural outlets of the Koolpinyah Dolostone aquifer. Flows have been impacted by surrounding housing developments.

2. McMinns borefield

Supplementary water supply for Darwin, began 1960’s. The borefield is now surrounded by rural blocks including private bores and septic tanks. A new borefield has recently been commissioned in a less developed area.

3. Knuckeys Lagoon (pictured)

Typical of lagoons formed by karstic collapse in Proterozoic dolostone. Many are not connected to groundwater.

4. Bullocky Point

A good exposure of the Cretaceous / Proterozoic unconformity. This geology is common in the Darwin area and has an impact on the hydrogeology.

5. Doctors Gully

Peels Well, the first water supply for Darwin, 1869. A short rainforest walk

6. Finish with Coffee at the Roma Bar, 9 Cavenagh St. Darwin


Rugged walking shoes and long pants along; a waterbottle. A first aid kit will be available.

It is suggested that people carpool wherever possible.

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Howard Springs Nature Reserve

Main Weir

Darwin, NT 0835

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