A boil water advisory remains in effect in Evans City.

EVANS CITY — A water main break on Main Street has been repaired, letting crews collect samples to test for contamination.

A boil advisory will remain at least two more days as officials must test at least three consecutive samples showing water is not contaminated, as required by the Department of Environmental Protection.

Water buffaloes are available to residents near Presidents Square apartments at 200 Jefferson St. Officials ask residents to bring their own water containers.

Evans City Water and Sewer Authority crews responded Sunday to the breaks on Elizabeth Avenue and Main Street, working over the past three days to find and repair the issues. Officials closed off one lane of traffic on Main Street and issued a borough-wide water boil advisory.

Martin Fabian, operations manager at the authority, said the rapid shifts in weather and advanced age of the mains likely caused the breaks.

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By Monday, the break on Elizabeth Avenue was located and patched. The break on Main Street, nestled under a layer of concrete and asphalt, took another day to find. Efforts were complicated because official maps of the water line were destroyed in a 2004 flood.

By 2 p.m. Tuesday, authority President Ed Tanski said he was confident they had located the problem and expected to repair and refill the section of excavated side of the road by the end of the day.

Around 4 p.m. the authority announced it had completed repairs.

Work around the pipes was complicated by nearby gas lines, Tanski said, and crews had to take their time working around them.

Even with the line repaired, the boil advisory is expected to remain in affect for at least the next two days as samples are tested according to DEP standards.