Discharge of liquid effluent to the environment is subject to strict legislation which obliges operators of industrial and municipal sites to measure both the quality and the quantity of their emissions. This document explains how paperless recorders can be used on effluent monitoring systems to help operators collect accurate data on their effluent discharge, which can then be used for environmental and legislative reporting purposes.

Five-yearly audits give way to annual inspections for waste water treatment sites under new guidance from the Environment Agency.