An easy to use A to Z of some of the most commonly used terms used throughout the water industry.
Taking of water from river, reservoir or borehole. Abstractions of surface water and groundwater in England and Wales are subject to an Environment Agency licence. Licence holders include water undertakers, general industry (particularly electricity generating companies) and agricultural concerns.
Cost relative to level of disposable income - i.e. price to income ratio.
anaerobic digestion (AD)
AD is a biological process that happens naturally when bacteria breaks down organic matter in environments with little or no oxygen. Almost any organic material can be processed with AD, including waste paper and cardboard (which is of too low a grade to recycle, e.g. because of food contamination), grass clippings, food, agricultural waste, industrial effluents, sewage and animal waste.
The business providing water (and sewerage) services; holds the licence to operate. Typically undertaken by a subsidiary company of a larger plc group also undertaking non regulated business, or other utility services (the multi utility).
Underground water source – water-bearing rock and soil strata.