Private water supplies

Private water supplies - list of pollutants tested

We use United Utilities laboratory services for analysis:

  • 1,2 dichloroethane
  • Acrylamide
  • Aldrin
  • Aluminium
  • Ammonium
  • Antimony
  • Arsenic
  • Benzene
  • Benzo(a)pyrene
  • Boron
  • Bromate
  • C perfringens
  • Cadmium
  • Chloride
  • Chromium
  • Coliforms
  • Colony counts
  • Colour
  • Conductivity
  • Copper
  • Cyanide
  • Dieldrin
  • E coli
  • Enterococci
  • Epichlorohydrin
  • Fluoride
  • Heptachlor
  • Heptachlor epoxide
  • Hydrogen ion (pH)
  • Iron
  • Lead
  • Manganese
  • Mercury
  • Nickel
  • Nitrate
  • Odour
  • Other pesticides
  • Pesticides total
  • PAH
  • Radioactivity – gross alpha
  • Radioactivity – gross beta
  • Selenium
  • Sodium
  • Sulphate
  • Taste
  • Tetrachloroethene and Trichloroethene
  • Tetrachloromethane
  • Total organic carbon
  • Trihalomethanes: total
  • Tritium
  • Turbidity at taps
  • Vinyl chloride

Some of these must always be sampled depending on the type and size of the water supply.  The risk assessment dictates which others should be sampled.  For some parameters they are analysed a few times and if levels remain low then the analysis can be stopped.