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Paddys River Group: Paddys River

Paddys River Group: Paddys River

Bottle number: 26

About the water

A colour photograph of Maree Blume with her water sample at Paddys River, Murrays Corner, ACT
Maree Blume

Collected at: Paddys River at Murrays Corner, ACT

E: 677355, N: 6084871, CTP 450

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Collected by: Paddys River Group

Paddys River Group was established in May 2003 following bushfires. We had happy memories of family activities at Murrays Corner in the 1980s and made a commitment to be involved in community-based projects that support balanced and appropriate water and land management activities into the future.

Water quality:

Turbidity: <10
pH: 7.55pH units
Salinity: 113uS/cm
Phosphates: Orthophosphates 0.01 ppm
Dissolved oxygen: 61%

ACT Waterwatch says:

Despite being low, and having had a lot of problems, Paddy's River looks like it is doing pretty well in terms of water quality.

Paddys River at Murrays Corner, ACT
Paddys River at Murrays Corner, ACT.

About the site

Historically, the site was a popular picnic area with swimming and water fun activities for family groups. Surrounding area had been cleared and converted to pine forest. It was badly affected by the 2003 fires — pine forests destroyed, riparian zone reduced to a few damaged casuarinas, sediment in waterways raised turbidity levels and lowered dissolved oxygen readings. Extended time was taken to make decisions on future land usage, allowing regrowth of weeds (willows, blackberries etc). Currently, park facilities being gradually developed and maintained, natives encouraged in riparian zone, pines replanted to defined height and natives above this to hill tops.

What's going on:

Picnic facilities have been re-established along the grassy banks. Willows have been removed along a distance of the eastern bank of the river. However weed regrowth is abundant including blackberries. The wombat burrows have been vacated and 4WDs frequently cross the causeway to drive the forestry tracks in the adjoining replanted pine forests. Reed regrowth in the sediment rich river bed has been appreciated by several species of frogs. Water levels and flow are affected by recent prolonged dry spells.

Our group monitors water quality at a basic level every month following the Waterwatch procedures. We undertake a macro invertebrate survey in spring and the Frogwatch survey during National Water Week. We monitor the condition of the riparian zone once a year. We are active in removing rubbish during our monthly visits and report park usage, bird and frog sightings and general environment conditions to the local Southern ACT Catchment Group coordinator after each visit.