THM levels in a water treatment system can change rapidly and are highly influenced by changes in raw quality and water age. Without real-time and high-density actual and predictive data on THMs across their networks, water treatment systems face the risks of under-treating their water or incurring substantial costs as a result of over-treatment. When integrated into a disinfection byproduct (DPB) control strategy, the AMS online THM analyzers (THM-100™, THM-100™ FP, THM-RR™) serve as an essential solution to facilitate regulatory compliance with THM standards.