"The government is prepared to maintain the alternative pipeline on the Vistula for two months," the chief of the Prime Minister's Chancellery Michał Dworczyk said on Monday. He also declared that all waste from the left-bank Warsaw would flow through the pipeline still this week. At the moment it's about 60 percent.

Pumping of waste from the left-bank Warsaw to "Czajka" waste treatment plant through the newly built pipeline began on Monday at 4 am.

On Monday morning, the spokesman for the Polish Waters, Sergiusz Kieruzel, informed about pipelines being tested. As he told tvnwarszawa.pl, part of the test was "pumping waste that has already begun". He added that transfer capacity was at 60 percent.

Before 11 am, he reassured that the tests were over. "Everything works fine. The temporary pipeline is operating and it will not be switched off. The transfer is gradually increasing," Kieruzel said.

Two months

At a press conference on Monday, Dworczyk said that the government was ready to maintain the temporary solution, namely the pipeline set on a pontoon bridge, for two months.

"We hope that the city authorities will be able to fix this problem within these two months, to come up with an alternative solution," he said.

The minister was asked what if the bypass would be needed longer. "Some say that we do the impossible on the spot but we need some time for miracles, however, I hope that we won't need to prove what they say. As we declared, we're prepared for two months," he replied.

The deputy chairman of the Polish Waters, Krzysztof Woś, announced that the company's workers would remain at the spot to make sure the system works correctly, and once its no longer needed, to safely remove it.

"Hopefully, by Friday"

Dworczyk confirmed that the installation intakes about 60 percent of waste at the moment. "We will gradually increase the transfer to reach the full capacity still this week. Hopefully, by Friday," he said.

He added that this would mean the end of waste spilling into the Vistula. So far, over 2 million cubic metres of waste had flown into the river.