Updates to PWS Guidance documents

The following updates have been made to the documents specified in the table below.  These updates have been made to provide additional clarity in light of recent reviews and feedback.

Document Date of update Relevant to Details of change
New Guidance : Managing insufficiency in private water supplies (PDF 107KB) November 2017 England and Wales To replace previous guidance on alternative supplies during emergency and non emergency situations.
Reg 20 Notice template (previously Reg 18) November 2017 Wales Updated due to publication of new Welsh private water supplies regulations 2017
Reg 20 Notice example (previously Reg 18) November 2017 Wales Updated due to publication of new Welsh private water supplies regulations 2017
Information Note Regulation 9 Large and Commercial Supplies (version 3) July 2017 England Inclusion of guidance on private supplies service staff canteens in business and commercial organisations.
Information Note Regulation 7 Monitoring (version 2) July 2017 England Removal of references to building regulations
Information Note Regulation 3 Scope (version 3) June 2017 England Small layout change to page 1
Information Note Regulation 11 Radioactivity
(version 2.1)
May 2017 England Updated to include executive summary
Nitrate and PWS (version 2) May 2017 England Updated to replace reference to the 2009 regulations with those of 2016, as well as some general clarification.
Information Note 13 (version 2) May 2017 England Updated to provide further guidance in respect of how Regulation 13 applies to single domestic dwellings
Information Note 3 (version 2) May 2017 England Removes references to building regulations and clarifies the position regarding the requirement to risk assess all supplies for domestic purposes, even those exclusively used for sanitary purposes (e.g. toilet flushing)
Information Note Regulation 9 (version 2a) March 2017 England Inclusion of guidance on water to vending machines in a business office.
Reg 18 template February 2017 England and Wales Complete overhaul and revision of the template as guided by legal team. Various error corrections, notably inclusion of restriction option to boil water.
Information Note Regulation 8 January 2017 England and Wales Replaced reference to 2009 regs in England.
Information Note on regulation 2&3 (Version 3) January 2017 Wales Updated to reflect Welsh Regulation reference numbers
Sampling manual
(Version 1.2)
November 2016 England and Wales Modification to radon sampling method in line with SCA Inclusion of pre-flush swabs for investigational purposes in the order of sampling. Transit and storage temperatures put in a consistent format
Information Note on regulation 10 A
(Version 1.2)
November 2016 Wales only Change to information regarding application of radon in air in relation to monitoring of radon in water, as advised by PHE
Information Note on regulation 16 October 2016 England only Added text to clarify that a relevant person(s) must give 28 day’s written notice from the time of the risk being identified
Information Note on regulation 16 (England and Wales) October 2016 England and Wales Additional text to clarify the position where a supply is unwholesome by virtue of a breach of the standard for nitrate in relation to the serving of notices.
Information Note on regulation 11 October 2016 England only Change to information regarding application of radon in air in relation to monitoring of radon in water, as advised by PHE
Information Note for regulation 10 October 2016 England only The inclusion of a flow diagram to help classify supplies
Information Note on regulation 9 October 2016 England only The inclusion of a flow diagram to help classify supplies
Information Note on regulation 9 October 2016 England only Added text to point (c) in relation to supplies to tenanted properties. This was to clarify that regulation 9 applies where a private water supply serves, not just a single dwelling, but where a tenanted dwelling is one of several properties on the supply.

Updates to Risk Assessment tools are to found on the Risk Assessment page

Page reviewed: 22 November 2017
Page modified: 22 November 2017

Drinking Water Inspectorate