AMS

Aqua Metrology Systems

THMs

Application Brief: Online THM Monitoring Helps New Jersey Water Authority Achieve DBP Compliance

An online trihalomethane (THM) analyzer, THM-100™, was installed to monitor THM levels at The Old Bridge Municipal Utilities Authority (Old Bridge MUA) serving the township of Old Bridge, Middlesex County, New Jersey. The utility learned that quarterly DBP compliance measurements are inadequate for understanding actual DBP levels within the water distribution system; since DBP levels can range significantly, even within the same day. However, through frequent and effective direct THM monitoring, as provided by the THM-100 analyzer, they could establish a baseline and optimize DBP management processes managing compliance to the Stage 2 DBP Rule.

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Disinfection By-products

Reliable data on THM and THM Formation Potential concentrations is required to mitigate the presence of harmful DBPs and monitor the success of THM remediation processes. Accurate and real­‐time data on THM concentrations is only possible with the online THM‐100™ analyzer.