Emergency Contact

Lake lowering and cofferdam construction update

17 Apr 2025

Project approvals for the main construction works are currently being finalised. Once approved, the Lake Macdonald Dam Improvement Project Team will progress with transitioning to a larger siphon system and commence construction on the temporary upstream cofferdam.

More information on the upcoming works is available here.

Any questions?

For all media enquiries, please contact a member of our media team by phone or email:

07 3247 3000

[email protected]

More from Seqwater

Aerial view of the Spit, Somerset Dam

Be Safe, For Fun's Sake this Easter holiday break

Seqwater is urging visitors to its lakes and recreation sites to play it safe on the water with the busy school and Easter...

North Pine Dam catchment

Major step towards dam big upgrades in South East Queensland

AECOM awarded engineering services contract to support South East Queensland dam infrastructure projects Seqwater’s Dam...

An Seqwater Rain Gauge station

How our rain gauges work

At Seqwater, we have 120 rain gauges dotted all over South-East Queensland collecting and reporting vital data that helps us...

Aerial view of Enoggera Dam overflowing

Impact to water quality after a flood event

Seqwater continues to play a vital role in protecting and producing clean, safe drinking water for all of South East...

Aerial view of Wivenhoe Dam spillway

Causes and impacts of flooding

Australia's diverse climate and geography make it particularly vulnerable to various types of flooding, each with its unique...

thumbnail of the Wivenhoe and Somerset Dam flood manual

Understanding the Flood Operations Manual

Wivenhoe, Somerset and North Pine Dams each have a Manual of Operational Procedures for Flood Mitigation (Flood Operations...

The majority of recent rain fell on the Gold Coast with the Hinze Dam catchment receiving more than 470mm of rain

What is the difference between a gated and ungated dam?

Dams collect and store water primarily to provide South East Queensland with the drinking water that comes out of our taps...

A picture of the Somerset Dam Spillway with three gates and eight sluice tunnels on a sunny day

Upstream vs downstream flooding

Communities upstream and downstream of dams can experience the impacts of wet weather events differently.

Inside the flood operations centre

Flood Operations team has moved to 'Stand Up'

This morning Seqwater has provided public communications that our Flood Operations Team are in Stand Up. This means our teams...

Wivenhoe Dam

Controlled releases from Wivenhoe, Somerset and North Pine may be required due to forecast rainfall

Our flood engineers are closely monitoring the weather and dam conditions 24/7 at the Flood Operations Centre which has moved...

rec closure

Seqwater recreation areas closed ahead of Tropical Cyclone Alfred

Please be advised that due to the forecast weather associated with Tropical Cyclone Alfred all Seqwater recreation areas will...

Minister Leahy with blonde hair and a pick jacket stands on a staircase with four young graduates in hi vis

Making a Splash: Next Generation of talent join Seqwater

13 graduates and trainees join the water industry with Seqwater Two-year programs offer pathways into rewarding career...

North Pine Dam wall

North Pine Dam lake level to be lowered ahead of dam upgrade

From late-January, Seqwater will begin gradually lowering the level of North Pine Dam (Lake Samsonvale) by approximately two...

Lake Macdonald

Lake Macdonald Dam Improvement Project community information sessions begin ahead of major works

Seqwater is hosting drop-in community information sessions for the Lake Macdonald Dam Improvement Project from late January...

© Seqwater 2025. All rights reserved.