Aigües de Barcelona Implements Use of Online THM Monitors

To effectively meet the drinking water demands across their service area, Aigües de Barcelona purchases additional water, approximately 50% of the volume they supply, from Aigües Ter-Llobregat (ATLL). Aigües de Barcelona is certified by the ISO 22.000 standard (Preventive Risk Management System) and sets water quality targets of the purchased water from ATLL. When water quality falls below minimum agreed levels, ATLL can be penalized. Water quality provisions include all the parameters regulated by the European Union (EU) Directive 98/83/CE and special focus is given to trihalomethanes (THMs). Understanding Total THM concentrations from incoming water purchased from ATLL at the entry point allows for reasonable growth within Aigües de Barcelona’s distribution system, while maintaining regulatory DBP compliance.

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