Maryland Code, Education § 7-422

(1) Be sent by the school within 10 business days after receipt of the notice of contamination from the school's water supplier;

(2) Be in writing;

(3) Identify the contaminants and their levels in the school's water supply; and

(4) Describe the school's plan for dealing with the water contamination problem until the school's water is determined by the appropriate authority to be safe for consumption.