PWS violated the total coliform rule due to failure to monitor for the April-June 1999, July-September 1999, October-December 2001, January-March 2002, April-June 2002, July-September 2002, October-December 2002, January-March 2003, April-June 2003, July-September 2003, and October-December 2003. PWS failed to notify the public of its failure to comply with the coliform water monitoring and analytical requirements, for the April-June 1999, July-September 1999, October-December 2001, January-March 2002, April-June 2002, and July-September 2002, monitoring periods.