Search Legislation

The Private Water Supplies Regulations 2009

Status:

This is the original version (as it was originally made).

PART 2Indicator Parameters

TABLE C

Prescribed concentrations, values or states

ParametersMaximum concentration or value or state (unless otherwise stated)Units of measurement
(i)

The water should not be aggressive.

(ii)

Excluding tritium, potassium-40, radon and radon decay products.

(iii)

Only in the case of surface water or groundwater that has been influenced by surface water.

Ammonium0.50mg/l
Chloride (i)250mg/l

Clostridium perfringens

(including spores)

0

Number/100ml

Coliform bacteria0Number/100ml (Number/250 ml in the case of water put into bottles or containers)
Colony counts

No abnormal change

No abnormal change

Number/ml at 22°C

Number/ml at 37°C

Conductivity (i)2500μS/cm at 20°C
Hydrogen ion9.5 (maximum)pH value

6.5 (minimum) (in the case of still water put into bottles or containers the minimum is 4.5)

pH value
Sulphate (i)250mg/l

Total indicative dose (for radioactivity) (ii)

0.10mSv/year
Total organic carbon (TOC)No abnormal changemgC/l

Tritium

(for radioactivity)

100Bq/l
Turbidity(iii)1NTU

Back to top

Options/Help

Print Options

Close

Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.

Close

Opening Options

Different options to open legislation in order to view more content on screen at once

Close

Explanatory Memorandum

Explanatory Memorandum sets out a brief statement of the purpose of a Statutory Instrument and provides information about its policy objective and policy implications. They aim to make the Statutory Instrument accessible to readers who are not legally qualified and accompany any Statutory Instrument or Draft Statutory Instrument laid before Parliament from June 2004 onwards.

Close

More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources
Close

More Resources

Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as made version that was used for the print copy
  • correction slips

Click 'View More' or select 'More Resources' tab for additional information including:

  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • links to related legislation and further information resources