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Providence Portal NSW 2629
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Outlet of the 16.6 km Murrumbidgee - Eucumbene tunnel running from
Tantangara Dam to Lake Eucumbene. Up to 19 cumecs flows out of the 3m diameter tunnel and along the flume. Large concrete blocks act as energy dissipators which agitate the water mixing in air to slow the water flow. They become visible during drought conditions,during tunnel outages or when water needs to be held in
Tantangara Dam.
By 2018 nearly 60 years of erosion has gouged out the rock and soil along the 700 m channel leading into the Eucumbene River. The 10 metre high banks are collapsing and the watercourse is in need of remediation with rip rap to stabilise the channel.