An easy to use A to Z of some of the most commonly used terms used throughout the water industry.
The site of discharge of a liquid from a pipe. Applied particularly to the point at which a sewer discharges to a treatment works or receiving water, or the point at which a conduit discharges the effluent from a treatment works into a receiving water.
overall performance index (OPA)
The mechanical measures of a company’s performance that contribute to its overall company assessment by the regulator.
The addition of ozone, particularly to a raw water or biologically treated sewage to decolorise and disinfect it. Also termed 'ozonization'.