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Dept of the Environment

What is his policy with regard to securing the replacement of lead pipes in the domestic water supply network.

Asked by

Chris G Davies (Liberal Democrat)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

1 November 1996

Reference

1024; 284 c265W

House

House of Commons

Dept of the Environment

What level of lead contamination of drinking water has been reported in each region in the last five years; and how much lead piping is still in use in the drinking water distribution systems in each region by (a) length and (b) bore. - Including figures.

Asked by

Michael Meacher (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

For answer on

14 October 1996

Answered on

14 October 1996

Mr. Meacher: To ask the Secretary of State for the Environment what level of lead contamination of drinking water has been reported in each region in the last five years; and how much lead piping is still in use in the drinking water distribution systems in each region by (a) length and (b) bore. [40347] Mr. Clappison: The total number of samples analysed for lead, and the number and percentage of samples exceeding the lead standard of 50 micrograms per litre in each region for the last five years, is given in the table. Samples exceeding the standard for lead reported in each region for the period 1991-1995 (Data from the compliance data and annual lead returns submitted to the Drinking Water Inspectorate) _________________________________________________________________________________________________. Region North West North East Midlands East Wales South West South East South Total number of samples 85,402 27,817 34,754 14,224 19,179 14,883 18,012 28,167 taken for lead during the period Number of samples with 3,611 968 1,748 115 501 539 284 130 lead>50 ug/l Percentage of samples 4.2 3.5 5.0 0.8 2.6 3.6 1.6 0.5 exceeding the standard for lead _________________________________________________________________________________________________. The number of water supply zones in England and Wales in which the standard for lead has been exceeded has decreased from 25.6 per cent. in 1991 to 18.7 per cent. in 1995. A further improvement is expected in 1996 as a result of most water companies completing during 1995 the installation of treatment plant to reduce plumbosolvency. Information about the length and bore of lead piping is not held centrally. The length of lead pipe will vary according to the type of property and in most cases is likely to be in the range of 5 to 20m. The bore of the piping is likely to be between 12 and 18mm. The table gives the estimated number of properties in each region supplied through lead communication pipes which belong to the water suppliers, with lead supply pipes which belong to the property owner and with lead internal plumbing which also belongs to the property owner. Properties with lead pipes (Data from the WRc report to the Department of the Environment on `Economics of Lead Pipe Replacement'(TMU 9030); May 1992) _________________________________________________________________________________________________. Region North west North east Midlands East Wales South west South east South Properties with lead 1,752,516 1,433,829 1,505,826 455,114 326,139 403,609 426,705 1,921,101 communication pipes (per cent. of total properties) (63 per (48 per (43 per (27 per (24 per (27 per (20 per (40 per cent.) cent.) cent.) cent.) cent.) cent.) cent.) cent.) Properties with lead supply 1,669,063 1,444,692 1,601,031 480,586 446,788 372,603 420,698 2,488,682 pipes (per cent. of total properties) (60 per (48 per (46 per (27 per (34 per (25 per (19 per (51 per cent.) cent.) cent.) cent.) cent.) cent.) cent.) cent.) Properties with lead 2,086,329 1,394,688 1,601,031 152,483 230,402 346,984 379,199 824,425 internal plumbing (per cent. of total properties) (75 per (46 per (46 per (8 per (26 per (23 per (18 per (17 per cent.) cent.) cent.) cent.) cent.) cent.) cent.) cent.) _________________________________________________________________________________________________. NB No account of joint services could be taken. Not all water companies were able to provide data on the numbers of properties with lead internal plumbing. Where data were missing, the number of properties with lead internal plumbing is assumed to be equal to the number of properties with lead supply pipes. Regions in all tables are as specified in the WRc Report. This table was based on data collected in 1991. Between 1991 and 1994 the water suppliers replaced nearly half a million lead communication pipes. The numbers on a regional basis are given in the following table. _________________________________________________________________________________________________. Number North-west 99,887 North-east 57,240 Midlands 99,312 East 47,629 Wales 44,338 South-west 16,233 South-east 23,563 South 56,967 Total 445,169 _________________________________________________________________________________________________.

Date

14 October 1996

Reference

40347; 282 c818-9W;282 c816W

House

House of Commons

Dept of the Environment

What assessment he had made of the compliance by drinking water suppliers with the 1985 World Health Organisation Guidelines, as amended, on drinking water purity.

Asked by

Michael Meacher (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

For answer on

14 October 1996

Answered on

14 October 1996

Mr. Meacher: To ask the Secretary of State for the Environment what assessment he had made of the compliance by drinking water suppliers with the 1985 World Health Organisation guidelines, as amended, on drinking water purity. [40377] Mr. Clappison: The current UK standards as specified in the Water Supply (Water Quality) Regulations 1989 incorporate the standards of the 1980 EC drinking water directive which in turn were based in many cases on the 1984 World Health Organisation guidelines for drinking water quality. In some cases, the regulations are more stringent than the directive. In 1995, the 31 water companies in England and Wales met the standards in the regulations in 99.5 per cent. of over 3 million tests. The 1984 World Health Organisation guidelines were amended in 1993. The new guidelines contain a number of more stringent values, the most significant one is the value for lead of 10 micrograms per litre. This value has been included in the proposed revision of the EC drinking water directive published in May 1995. The World Health Organisation value can be regarded as an average but the interpretation of the value in the proposed directive is not clear. In 1995 approximately 20 per cent. of samples taken from consumers' taps exceeded 10 micrograms per litre but these were spot checks and not a measure of average levels. The current standard of 50 micrograms per litre as a maximum is equivalent to an average level of around 20 micrograms per litre. The drinking water inspectorate has recently commissioned a study to estimate the extent of compliance with, and how much further water treatment and lead pipe replacement might be needed to achieve compliance with various possible interpretations of the proposed new standard and the associated monitoring requirements.

Date

14 October 1996

Reference

40377; 282 c816-7W;282 c814-5W

House

House of Commons

Dept of the Environment

If safe and effective non-toxic shotgun cartridges are available for use over wetlands sites; what assessment he has made of the extent to which the voluntary phase-out of lead gunshot in wetlands is being adhered to.

Asked by

Elliot Morley (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

23 July 1996

Reference

38794; 282 c313W

House

House of Commons

Dept of the Environment

What steps are being taken to provide shotgun licence holders, with special reference to wildfowlers, with guidance on the safety and efficacy of non-toxic gunshot before the next wildfowling season. - Guidelines on the use of non-toxic shot in 12 bore shotguns are currently being prepared.

Asked by

Elliot Morley (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

23 July 1996

Reference

38792; 282 c313W

House

House of Commons

Dept of the Environment

What method his Department recommends for the safe disposal of (a) mercury, (b) lead, (c) cadmium and (d) PCBs.

Asked by

Barry Sheerman (Labour; Co-operative Party)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

19 March 1996

Reference

21390; 274 c141-2W

House

House of Commons

Dept of the Environment

If he will publish the conclusions of the 1992 report from the Water Research Council. - Inc ref to "Economics of Lead Pipe Replacement (TMU 9030)" (in Library).

Asked by

Helen Jackson (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

5 March 1996

Reference

18565; 273 c102W

House

House of Commons

Dept of the Environment

What measures he plans to remove lead from drinking water.

Asked by

Helen Jackson (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

4 March 1996

Reference

18498; 273 c7W

House

House of Commons

Dept of the Environment

What action he is going to take in response to the European Communities Select Committee (House of Lords) Fourth Report (HL31 of Session 1995-96) on drinking water with regard to lead in drinking water; what action he plans in response to the HL31, in respect of the dosing of drinking...

Asked by

Helen Jackson (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

4 March 1996

Reference

273 c6-7W; 18495;18499;18497;18496

House

House of Commons

Dept of the Environment

What representations he has made in pursuit of a derogation for the United Kingdom Government from the obligation in Com 93 (680) Final to reduce nitrates in drinking water below their natural level.

Asked by

William Cash (Conservative)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

5 December 1995

Reference

3491; 268 c177W;268 c176W

House

House of Commons

Dept of the Environment

What is the latest information he has for each of the water companies of the level of dissolved lead in water pipes.

Asked by

Martin Redmond (Labour)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

26 October 1995

Reference

38995; 264 c738-40W;264 c748-50W

House

House of Commons

Dept of the Environment

If the Drinking Water Inspectorate will give advice to consumers about lead in drinking water. - Inc ref to publication of Lead in Drinking Water. Leaflet in Library as DEP/3 2032.

Asked by

Piers Merchant (Conservative)

Answering body

Department of the Environment

Type

Written questions

Status

Answered

Date

19 July 1995

Reference

36078; 263 c1415W

House

House of Commons

Librarians' tools

Type

House

Session

Year

Department

Member

Primary member

Answering member

Legislative stage

Legislation

Subject

Publisher