Three more Baltimore County Public Schools test positive for elevated levels of lead in the facility's water.
Water samples collected from Arbutus Elementary School, Riderwood Elementary School and Warren Elementary School each had high levels of lead.
25 of the 38 schools tested in Baltimore County have reported elevated levels.
Baltimore County Schools share the most updated results online.
Any schools built in 1990 or later will provide bottled drinking water until results meet the state's requirement action level of 20 parts per billion.