Hawkesbury-Nepean Waterkeeper Alliance

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Hawkesbury-Nepean Waterkeeper Alliance The Hawkesbury Nepean Waterkeeper Alliance (HNWA) is a group of organisations committed to ensuring

The Hawkesbury-Nepean Waterkeeper Alliance acknowledge the Darug and Darkinjung people, the original custodians of the country where we live and work. We recognise their continuing connection to land, waters and culture and offer our deep respect to their Elders past, present and emerging. The Hawkesbury Nepean Waterkeeper Alliance (HNWA) are a group of organisations committed to ensuring a healthy, liveable, swimmable, fishable Hawkesbury-Nepean River into the future by:

- being an effective, independent public advocate for the Hawkesbury-Nepean River and its tributaries
- providing a unified voice, representative of the community, in relation to whole-of-river issues
- identifying, creating and implement initiatives that will protect and restore the Hawkesbury-Nepean River and its tributaries
- building and fostering relationships with all stakeholders and supporting community education
- working with local First Nation organisations advocating for River Dyarubbin
- ensuring integrated management founded upon stewardship
- building and making publicly accessible knowledge relating to the Hawkesbury-Nepean catchment
- celebrating the ecological and social value of the Hawkesbury-Nepean River and its tributaries

The HNWA is coordinated Western Sydney University's Sustainability Education and Partnerships (comprising RCE Greater Western Sydney) and School of Science, Greater Sydney Landcare Network (GLSN) with Streamwatch and GLSN member groups: Cattai Hills Environment Network (CHEN), Hawkesbury-Nepean Landcare Network (HNLN) and Hawkesbury Environment Network (HEN).

27/09/2026

Happy World Rivers Day! Today highlights the many values of rivers and encourages stewardship of rivers around the world, which aligns with the HNWA mission.

17/09/2026

The Platypus Project 🩵

Come along and join the community to help clean up the banks of the creek and river at Shaws Creek.

📆 Saturday 26th September 2026
⏰ 1pm - 3pm
📍Shaws Creek; 810 Springwood Road, Yarramundi

Small actions, big impact - let's clean our community!

What's included ⤵️

• Community Gathering
• Refreshments
• Weaving & Art Workshops

Be part of the change - keep our creeks and rivers clean!

For more information, please contact Merana if you have any questions ⤵️

📞 (02) 4588 5144
📧 [email protected]

14/09/2026

Say hello to Banksy! ✨One of two male platypus making a splash with our team, and helping us learn more about the health of our local waterways and the wildlife that calls them home 💙💧

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

Not all greenery is good for our waterways. Running bamboo is a serious threat, and one we’re finding across our catchme...
28/08/2026

Not all greenery is good for our waterways. Running bamboo is a serious threat, and one we’re finding across our catchment. It crowds out native vegetation, reduced diversity and can contribute to bank instability and erosion, especially in flood-prone areas like the Hawkesbury-Nepean.

As part of our RRRP Project, we’re working with private landholders along Little Wheeny Creek to remove bamboo and working to create a healthy riparian habitat. 🌱

This project is funded by the Australian Government’s Urban Rivers and Catchments Program and supported by Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

The Hawkesbury-Nepean faces many significant ongoing challenges, including turbidity and litter impacts. As these build ...
26/08/2026

The Hawkesbury-Nepean faces many significant ongoing challenges, including turbidity and litter impacts. As these build up in our waterways, pools become shallower, waterways narrower, and even the water course itself changes, making platypus more vulnerable to predators, increasing entanglement risks, and exacerbating climate change effects.

Fortunately, we can all make a difference. By keeping litter out of waterways, planting native vegetation to slow water flow and installing sediment fencing near stormwater drains or creeks, we can help protect our local environment.

This project is funded by the Australian Government’s Urban Rivers and Catchments Program and supported by Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

Did you know that platypus need much more than just water to thrive? Healthy platypus populations depend on resilient ri...
24/08/2026

Did you know that platypus need much more than just water to thrive? Healthy platypus populations depend on resilient riparian habitats. These are the vegetated areas along rivers and creeks that provide food, shelter, and protection, including:

✅ A wide riparian zone (at least 3 metres)
✅ Tall trees
✅ Overhanging vegetation
✅ Woody debris and organic matter
✅ Lack of sedimentation

How does your property rate? Undertake a rapid platypus habitat assessment:https://www.westernsydney.edu.au/harwest/shared-media/platypus-rapid-habitat-assessment-onlineversion-2026.pdf

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

Did you know invasive vines like Cat’s Claw Creeper can smother native vegetation?These w**ds spread easily along our wa...
21/08/2026

Did you know invasive vines like Cat’s Claw Creeper can smother native vegetation?

These w**ds spread easily along our waterways (especially with localised flooding), but community action can make a real difference. By learning to identify invasive species, reporting or safely removing infestations where you can, and supporting local restoration efforts like Landcare, we can help protect our riparian zones and the wildlife that depends on them. 🍃💧

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.
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Say hi to June, one of your local platypus! 👋Most people don't expect to find platypus living so close to urban areas, b...
19/08/2026

Say hi to June, one of your local platypus! 👋

Most people don't expect to find platypus living so close to urban areas, but June is proof. Living near Kurrajong, June, like the other platypus in our catchment, is helping researchers better understand how healthy creek systems support one of Australia's most iconic species.

Little Wheeny Creek and Wheeny Creek are currently undergoing important riparian restoration works to improve habitat quality and give platypus like June the best chance to thrive for generations to come. Through community engagement, habitat restoration and ongoing monitoring, we're all working to ensure platypus continue to call our local waterways home. 🌱💙

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

🌿 Privet is an invasive woody w**d that can take over riverbanks. Healthy waterways depend on healthy native vegetation....
17/08/2026

🌿 Privet is an invasive woody w**d that can take over riverbanks. Healthy waterways depend on healthy native vegetation. By carefully managing invasive w**ds and restoring native plant communities, we can help create better homes for platypus and other local wildlife that call riparian zones there home.

💡 Platypus Month Tip: If you're managing woody w**ds along a creek or river, avoid removing large infestations all at once. Gradual removal, combined with replanting native species, can help stabilise riverbanks, reduce erosion and maintain habitat while the area recovers.

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.

Say hi to Alexandra, your local platypus! 👋 At 37.5 cm and under a kilo, she’s a superstar. Alexandra will spend a week ...
11/08/2026

Say hi to Alexandra, your local platypus! 👋

At 37.5 cm and under a kilo, she’s a superstar. Alexandra will spend a week crafting a cosy burrow, filling it with wet materials, and keeping her eggs warm until they hatch. She’ll spend most of her time in the burrow feeding her young milk until the end of summer when her young beginning to explore their local waterways.

It’s important to keep our river and creek banks quiet from October to March (in NSW) to help platypus like Alexandra thrive. Our RRRP project is all about restoring, protecting, and monitoring our platypus and their habitats. 🌱

This project is funded by the Australian Government’s Urban Rivers and Catchments Program, with the support of Western Sydney University and the Hawkesbury-Nepean Waterkeeper Alliance.
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Hawkesbury Nepean Platypus Project

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Hawkesbury, NSW
2753

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