NOVATO, Calif. (KRON) — The campus at Novato High School has been closed and fire and police units are on the scene working a Haz-Mat situation near the pool, according to an alert from Novato PD.

All school related activities including practices and games have been canceled for the evening, the release states. The Novato High School girls basketball team had games scheduled tonight against Piner. Both the junior varsity game at 5:30 p.m. and the varsity game at 7:00 p.m. have been canceled as a result of the situation, according to an Instagram post from the school.

A spokesperson for Novato Unified School District told KRON4 that the pool was being serviced by an outside pool contractor when there was a mix-up of chemicals. Schools in the district are closed this week for the Thanksgiving holiday break.

There is no threat to the school community, according to the district. Basketball and wrestling activities are expected to resume on Tuesday. The pool will remain closed for the week.