AUSTIN -- Concern over lead levels has the Austin school district changing out water fountains in some schools this week.

The elevated levels were discovered at Boone and Patton elementary schools, Bailey and Convington middle schools and Lanier High School.

Crews were at Bailey Middle School June 14 installing the new water fountains. Austin Independent School District said it will replace or install filters on the water fountains on every campus before school starts again in the fall.

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"There is no legal obligation for us to conduct the lead testing, but, we as a district, we decided to go above and beyond just to ensure the safety of our students, our staff and for the peace of mind of our parents," a representative told KVUE.

AISD started random water sampling for lead at schools in 2016. Now there are plans to test every water fountain at every school in the district.

KVUE was told that testing should be finished in the next couple of years.