The 4 Largest Man-Made Lakes in New South Wales

Written by Jennifer Gaeng
Updated: November 20, 2023
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New South Wales, the most populous state in Australia, is not only known for its stunning coastline and rugged mountains but also for its impressive man-made lakes. These reservoirs, created through innovative engineering projects, serve vital purposes such as water supply, flood mitigation, and hydroelectric power generation. In this article, we will explore the 4 largest man-made lakes in New South Wales and delve into the fascinating facts surrounding their creation and significance.

1.      Lake Eucumbene

Evening light over Lake Eucumbene in the New South Wales Snowy Mountains

Lake Eucumbene is a large man-made lake located in the Snowy Mountains in New South Wales.

©Warren Lloyd/

Located in the Snowy Mountain region, Eucumbene Dam reigns as the largest man-made lake in New South Wales. With a staggering capacity of 4,798,000 megalitres, it serves as a vital water source for irrigation, hydroelectric power generation, and recreational activities. The tranquil waters of Eucumbene Dam attract fishing enthusiasts from far and wide, offering the opportunity to catch prized trout and salmon. Fishing in Lake Eucumbene is not just a recreational activity but a chance to immerse oneself in the tranquility of nature and reel in a prized catch.

The significance of Lake Eucumbene cannot be overstated. It serves as a lifeline for irrigation, providing water to support agricultural activities in the region. The reservoir also plays a crucial role in supplying drinking water to nearby communities, ensuring a sustainable water supply for residents. Also, Lake Eucumbene contributes to the generation of hydroelectric power, harnessing the force of flowing water to produce clean and renewable energy.

2.      Hume Dam

Located in the scenic Riverina region, Hume Dam stands as the second-largest man-made lake in New South Wales. With a capacity of 3,038,000 megalitres, this colossal reservoir plays a crucial role in providing water for irrigation, urban supply, and flood control. The vast expanse of Hume Dam also offers a haven for water sports enthusiasts, with sailing, boating, and swimming among the popular activities enjoyed on its shimmering surface.

3.      Warragamba Dam:

In the heart of the Sydney region, Warragamba Dam reigns as a vital water source for the bustling metropolis. With a capacity of 2,027,000 megalitres, it ranks as the third-largest man-made lake in New South Wales. This iconic reservoir, surrounded by the scenic beauty of the Blue Mountains, not only provides water for millions of Sydney residents but also offers opportunities for fishing, boating, and picnicking in its idyllic surroundings.

4.      Blowering Dam:

Located in the captivating Snowy Mountain region, Blowering Dam completes our list of the largest man-made lakes in New South Wales. With a capacity of 1,628,000 megalitres, this expansive reservoir plays a crucial role in irrigation and flood control. The serene waters of Blowering Dam also beckon fishing enthusiasts, offering the chance to reel in prized catches such as golden perch and Murray cod.

In Conclusion

The four largest man-made lakes in New South Wales, Eucumbene Dam, Hume Dam, Warragamba Dam, and Blowering Dam, are awe-inspiring feats of engineering that contribute to the state’s water infrastructure and provide opportunities for recreation and enjoyment. Whether you’re drawn to the scenic beauty of the Snowy Mountain region or the vibrant energy of Sydney, these colossal reservoirs offer a diverse range of experiences, from fishing to water sports. So, venture out and discover the majesty of these man-made wonders as you explore the breathtaking landscapes of New South Wales.

The photo featured at the top of this post is © Jono Photography/

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About the Author

Jennifer Gaeng is a writer at A-Z-Animals focused on animals, lakes, and fishing. With over 15 years of collective experience in writing and researching, Jennifer has honed her skills in various niches, including nature, animals, family care, and self-care. Hailing from Missouri, Jennifer finds inspiration in spending quality time with her loved ones. Her creative spirit extends beyond her writing endeavors, as she finds joy in the art of drawing and immersing herself in the beauty of nature.

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