An easy to use A to Z of some of the most commonly used terms used throughout the water industry.
A organism which is capable of producing disease.
Polychlorinated biphenyls: a group of industrial chemicals found in the environment.
per capita consumption (PCC)
The measure of average water use per person. Water companies are required to report PCC estimates annually for both metered and non-metered consumers.
A group of aromatic organic compounds which may adversely affect biological sewage-treatment processes or sludge digestion, or cause taste problems in drinking water.
The ability to dissolve lead.
The one-off price adjustment made by a regulator in the first year of a new set of price limits. Ofwat made such an adjustment in the 1999 price review, effective in April 2000.
polluter pays principle (PPP)
The Polluter Pays Principle is the principle that the polluting party should pay for the damage they have caused to the natural environment.
The quantity of polluting matter entering a treatment plant or in the effluent discharged into a receiving water during a given period.
population equivalent (PE)
The amount of oxygen-demanding materials discharged by one person each day.
A sewer which is not a public sewer as defined in Section 20 of the Public Health Act 1936.
A sewer vested in a water authority by virtue of the provisions of Section 20 of the Public Health Act 1936, as amended by Section 40 and Paragraph 33 of the 8th schedule to the Water Act 1973.