A Morwell community group says sealing a couple of kilometres of the Morwell main drain is not enough to stop the Princes Highway from future flooding and water damage.
The stretch of the road, next to the Morwell mine, was closed for several months in 2011 after drainage issues at the Morwell main drain caused the road to crack.
The owners of the Morwell mine, International Power GDF Suez, is sealing almost two kilometres of the drain but says it does not have plans to move the drain.
However, the chairman of Advance Morwell, John Guy, says the water needs to be diverted away from the highway to prevent further events.
"We don't want this to happen again, there's always a problem if the drain runs under the highway this will happen again in the future," he said.
"It's my belief that the current work is the first stage of the remedy for what happened in 2011 and that the further stage would see the water being diverted away from the highway altogether."
© ABC 2013
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