Aqua Metrology Systems has partnered with Foundation Instruments, Inc. to expand its offerings of online and real-time monitoring of trihalomethanes (THMs) with the addition of Foundation Instruments’ THM-Rapid Response (THM-RR) online benchtop analyzer. The benchtop analyzer reports individual and total THM concentrations in real‐time so that utilities can be more proactive in responding to water quality changes and managing carcinogenic disinfection by-products (DBP).