# The Private Water Supplies (England) Regulations 2016, Paragraph 1: Monitoring for Group A parameters

Extent: E+W+S+N.I.

(1) A local authority must monitor for a Group A parameter in accordance with this Part and Part 2A.
(2) In this Schedule, “monitoring for a Group A parameter” means sampling for each parameter listed in Column 1 of Table 1 in the circumstances listed in the entry which corresponds with that parameter in Column 2 of Table 1 in order to—
(a) determine whether or not the water complies with the concentrations or values in Schedule 1;
(b) provide information on the organoleptic and microbiological quality of the water; and
(c) establish the effectiveness of the treatment of the water, including disinfection.
Table 1
Group A parameters
Parameter
Circumstances
Aluminium
Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters
Ammonium
Where chloramination is practised
Coliform bacteria
In all supplies
Colony counts 22°C
In all supplies
Colour
In all supplies
Conductivity
In all supplies
E. coli
In all supplies
Hydrogen ion
In all supplies
Iron
Where used as a water treatment chemical or where the water originates from, or is influenced by, surface waters
Manganese
Where the water originates from, or is influenced by, surface waters
Nitrate
Where chloramination is practised
Nitrite
Where chloramination is practised
Odour
In all supplies
Taste
In all supplies
Turbidity
In all supplies

---
Source: https://www.legislation.gov.uk/uksi/2016/618/schedule/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/private-water-supplies-england-regulations-2016/schedule-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.