The school was evacuated around noon on Thursday, officials said.
The utility said it is flushing the system to eliminate the potentially contaminated water.
The ride itself faced delays after it was originally announced.
The meeting will begin with an in-person informational open house from 5:30 to 6:30 p.m. and will be followed by a formal meeting.
Hearing for execution of Christa Gail Pike, Day 3 - Closing Arguments