Montreal city workers have finally stopped the flow of water on McGill University's downtown campus, but it could take crews weeks to repair thousands of dollars worth of damage caused by major flooding downtown on Monday.

The city repaired the root of the major flooding on Monday evening, which was a ruptured water main break. But on Tuesday water continued to flow on the university's campus from a second damaged pipe.

The university reported city workers blocked the leak at 2 a.m. Wednesday. The school said crews can now focus on the cleanup.

Michael Di Grappa, the McGill vice-principal, said the flood has had a major impact on thousands staff and students.

He said it will take weeks, or possibly months, before things get back to normal on campus. He estimated the damages could cost as much as $100,000.

City spokesman Jacques-Alain Lavallée said water main breaks are not unusual in the city, especially with recent weather shifts.

He said the water main that broke was 88 years old, and given the temperature drop and the vibrations created by the high number of cars and trucks driving downtown, the break does not come as a surprise.

City workers have excavated the area surrounding the pipe and are using cameras to inspect the pipe and search for any more weak spots.

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  • A man crosses a street in Montreal, Monday, January 28, 2013, following a water main break.

  • A woman crosses a street flooded with water in Montreal, Monday, January 28, 2013, following a water main break.

  • Pedestrians use a city bench to cross a flooded street in Montreal, Monday, January 28, 2013, following a water main break.

  • A woman is swept in current down McTavish Street after a water main break in Montreal on Monday, Jan. 28, 2013. The flood began spreading near McGill University just before rush hour, prompting traffic jams as police rerouted cars and people struggled to escape the area. (AP Photo/The Canadian Press, Ian Howarth)

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  • Woman Swept Down Street by Montreal Flooding

    A river raged through a section of downtown Montreal as a water main break Monday flooded a section of the city core.The flood spread near McGill University near rush hour, prompting traffic jams as police rerouted cars and people struggled to escape the area. Some people wrapped themselves in garbage bags to protect their lower body from the ice-cold water as they crossed submerged streets. At one intersection, where the flooded area was narrow, people moved a sidewalk bench and used it as a bridge to get to the middle of the street. The water barrelled down the slope of Mount Royal, with some people struggling to avoid being swept away by the mighty current.

  • Raw Video: Downtown Montreal flooded

    Raw video: A broken water main near the McTavish reservoir floods streets in the downtown area on Monday night.

  • McGill Montreal Flood Jan28, 2013

    McGill Montreal Flood Jan28, 2013. Videos are taken by Samsung Galaxy SII.

  • Montreal Flood: Unfortunate Students Trapped due to Water Main Burst - January 28th, 2013

    Oops: "Workers upgrading century-old water pipes near the McTavish reservoir pierced the main, said city spokesperson Philippe Sabourin." More updates on The Montreal Gazette: bit.ly