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Regulator record

BS25 tap water: what's in it?

Bristol Water: at least 16 tests failed UK drinking-water standards in 2025 (DWI, company-wide).

Some published DWI figures don't reconcile or identify a company, so we've left them out; the true number may be higher. England overall: 99.97% of tests met standards.

BS25 tap water quality report · 2026

  • Hardness

    Hard

    Details

    Churchill, Banwell, Bleadon and Weston-Super-Mare (supply zone) · 1 January 2025 to 31 December 2025

  • Hosepipe ban

    Hosepipe ban in force

    Details

    Bristol Water (Environment Agency, 11 October 2026). Checked 11 October 2026 at 02:34

    See the notice ↗

  • Storm overflows

    22 overflows within 10 km of BS25 centre

    Details

    497 spills in 2025

  • Lead pipes

    62% built before 1973

    Details

    Estimate, not a test. Homes in the parts of BS25 we can match to council-tax records (100% of its postcodes) whose build period is known; the share with no recorded build period isn't published for these areas. Allowing for suppressed counts: 59–62%. England and Wales: 61% (2026).

    Ask Bristol Water for a free lead test

    Lead test kits

Who supplies water in BS25

Drinking-water test record

Bristol Water: 283 of 283 postcodes

Bristol Water

Bristol Water, company-wide

Regulator
DWI
Report year
2025
Failed tests
Not shown
Tests
90,027

The regulator's published total and its company rows disagree, so we don't show a count.

Failed tests by parameter
AluminiumFailed tests: 1
Clostridium Perfringens (sulphite-reducing clostridia) (confirmed)Failed tests: 1
E. coli (confirmed)Failed tests: 1
Enterococci (confirmed)Failed tests: 1
IronFailed tests: 2
ManganeseFailed tests: 1
NickelFailed tests: 4
Total coliforms (confirmed)Failed tests: 5

Source: DWI england 2025, Annex B — dated 6 July 2026, read 13 October 2026

Source: DWI england 2025, Annex A — dated 6 July 2026, read 13 October 2026

England: 99.97% of tests met standards in 2025 (DWI).

Source: DWI england 2025, national compliance — dated 6 July 2026, read 13 October 2026

How hard is the water in BS25?

81% of BS25's postcodes are in the Churchill, Banwell, Bleadon and Weston-Super-Mare supply zone (Bristol Water): 206 mg/l, hard.

Churchill, Banwell, Bleadon and Weston-Super-Mare · Bristol Water (228 of 283 postcodes)

206 mg/l · 14.5 °Clark · 11.5 °dH · 20.6 °fH

Hard

Published figure.

Churchill, Banwell, Bleadon and Weston-Super-Mare (supply zone) · 1 January 2025 to 31 December 2025

Source: Bristol Water — dated 1 January 2025 to 31 December 2025, read 28 September 2026

4 identified supply zones in BS25

Churchill, Banwell, Bleadon and Weston-Super-Mare · Bristol Water (228 of 283 postcodes)

206 mg/l · 14.5 °Clark · 11.5 °dH · 20.6 °fH

Hard

Published figure.

Churchill, Banwell, Bleadon and Weston-Super-Mare (supply zone) · 1 January 2025 to 31 December 2025

Source: Bristol Water — dated 1 January 2025 to 31 December 2025, read 28 September 2026

Shepton Mallet, Pilton, Oakhill, Wookey Hole and Shipham · Bristol Water (46 of 283 postcodes)

222 mg/l · 15.6 °Clark · 12.4 °dH · 22.2 °fH

Hard

Published figure.

Shepton Mallet, Pilton, Oakhill, Wookey Hole and Shipham (supply zone) · 1 January 2025 to 31 December 2025

Source: Bristol Water — dated 1 January 2025 to 31 December 2025, read 28 September 2026

Worle, Weston-Super-Mare north and central · Bristol Water (1 of 283 postcodes)

210 mg/l · 14.7 °Clark · 11.8 °dH · 21.0 °fH

Hard

Published figure.

Worle, Weston-Super-Mare north and central (supply zone) · 1 January 2025 to 31 December 2025

Source: Bristol Water — dated 1 January 2025 to 31 December 2025, read 28 September 2026

Cheddar, Wedmore, Brent Knoll and Burnham-On-Sea · Bristol Water (1 of 283 postcodes)

185 mg/l · 13.0 °Clark · 10.4 °dH · 18.5 °fH

Moderately hard

Published figure.

Cheddar, Wedmore, Brent Knoll and Burnham-On-Sea (supply zone) · 1 January 2025 to 31 December 2025

Source: Bristol Water — dated 1 January 2025 to 31 December 2025, read 28 September 2026

7 postcodes without an identified supply zone

South West Water (7 of 283 postcodes)

We do not have a verified hardness figure for this area. Ask your water company for its water quality report.

Ask your water company

Storm overflows nearby

22 overflows within 10 km of BS25 centre · 497 spills in 2025

BS25 (district) · 2025

Source: Environment Agency EDM annual return 2025 — dated 20 August 2026, read 13 October 2026

Overflows here are run by Wessex Water.

8 of these were monitored for only part of 2025.

Nearest 5 shown

  1. SANDFORD BATCH PS

    Into TOWERHEAD BROOK · 1.3 km from the centre of BS25

    5 spills · 9 hours · Monitored 100% of 2025

  2. SANDMEAD ROAD PUMPING STATION

    Into SANDMEAD RHYNE · 1.9 km from the centre of BS25

    14 spills · 198.5 hours · Monitored 100% of 2025

  3. WINSCOMBE WWTW

    Into LOX YEO RIVER · 3 km from the centre of BS25

    3 spills · 17.5 hours · Monitored 100% of 2025

  4. WINSCOMBE WWTW

    Into LOX YEO RIVER · 3 km from the centre of BS25

    57 spills · 864.4 hours · Monitored 100% of 2025

  5. CROSS EAST PUMPING STATION

    Into CROSS RHYNE · 3.7 km from the centre of BS25

    6 spills · 19.6 hours · Monitored 100% of 2025

Annual 2025 figures from monitored overflows. Not live, and not a bathing-water or tap-water verdict.

  • 57 England outfalls in the 2025 return had no usable location and aren't counted.
  • Northern Ireland isn't covered: No licensed annual per-outfall source in the approved source list; BT postcode coordinates require an LPS licence.

Older homes and lead pipes

62% built before 1973

62% of homes here were built before 1973 — estimate, not a test.

Homes in the parts of BS25 we can match to council-tax records (100% of its postcodes) whose build period is known; the share with no recorded build period isn't published for these areas. Allowing for suppressed counts: 59–62%. England and Wales: 61% (2026).

Older homes are more likely to have lead pipes. Only a test tells you whether yours does.

BS25 (district) · 2026

Source: Valuation Office Agency, Council Tax: stock of properties — dated 31 March 2026, read 24 September 2026

Fluoride

We cannot confirm whether this area is part of a water fluoridation scheme. Ask your water supplier using your postcode.

About fluoride in UK water

Around one in ten people in England receive drinking water supplied by a fluoridation scheme.

England · 2026 health monitoring report

Source: UKHSA and DHSC — dated 30 March 2026, read 13 October 2026

Fluoride in UK tap water

Hosepipe bans

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What you can do

As an Amazon Associate we earn from qualifying purchases. Links go to amazon.com; Amazon's Earn Globally service can localise them to amazon.co.uk. Check the model and UK delivery before buying.

Water filter jugs

  • LifeStraw

    LSH7GLSPK21

    Performance certification:

    Certified by WQA to NSF/ANSI 42 for Aesthetic Chlorine and Taste and Odor; Certified by WQA to NSF/ANSI 53 for Lead and Mercury; Certified by WQA to NSF/ANSI 401 for Microplastics (a US/international standard; it is not UK approval)

    reduces chlorine taste and odour in drinking water.

    A UK retailer lists this model. Amazon UK stock and delivery are unverified; this Amazon link may not ship to the UK. Check the exact model and UK delivery before you pay.

    UK availability evidence checked 14 October 2026.

    View Details

Shower filters

  • Weddell Water

    WD-100BL

    Performance certification:

    Certified by NSF to NSF/ANSI 177 for Free Available Chlorine Reduction (a US/international standard; it is not UK approval)

    reduces chlorine in shower water; does not soften water.

    A UK retailer lists this model. Amazon UK stock and delivery are unverified; this Amazon link may not ship to the UK. Check the exact model and UK delivery before you pay.

    Check it fits your shower fitting before buying; a US fitting may need an adaptor.

    UK availability evidence checked 14 October 2026.

    View Details

We haven't verified a water softener for UK buyers yet.

What a pick has to pass:

  • An exact-model listing from NSF, WQA or IAPMO for the model sold in the UK
  • Listed to NSF/ANSI 44, the water softener standard
  • The manufacturer's documented feed connection and water-pressure range, so a plumber can check them against UK pipework
  • UK availability evidenced by Amazon UK, the manufacturer or a UK retailer, checked in the last 90 days

Until we can recommend one, see what a softener costs to buy, fit and run in the UK. Water softener cost

We haven't verified a lead test kit for UK buyers yet.

What a pick has to pass:

  • A lead result reported by a laboratory accredited for that test (UKAS, ISO/IEC 17025), named on the kit's listing
  • UK availability evidenced by Amazon UK, the manufacturer or a UK retailer, checked in the last 90 days

Start with your water company: if you think you have lead pipes, you can ask it to test the water at your kitchen tap. Which water test you need

Common water problems

Questions about tap water in BS25

Is the water in BS25 hard or soft?
Bristol Water: hard, 206 mg/l, 14.5 °Clark, 11.5 °dH, 20.6 °fH (Churchill, Banwell, Bleadon and Weston-Super-Mare (supply zone), 1 January 2025 to 31 December 2025). Published figure. Bristol Water: hard, 222 mg/l, 15.6 °Clark, 12.4 °dH, 22.2 °fH (Shepton Mallet, Pilton, Oakhill, Wookey Hole and Shipham (supply zone), 1 January 2025 to 31 December 2025). Published figure. South West Water: We do not have a verified hardness figure for this area. Ask your water company for its water quality report. Bristol Water: hard, 210 mg/l, 14.7 °Clark, 11.8 °dH, 21.0 °fH (Worle, Weston-Super-Mare north and central (supply zone), 1 January 2025 to 31 December 2025). Published figure. Bristol Water: moderately hard, 185 mg/l, 13.0 °Clark, 10.4 °dH, 18.5 °fH (Cheddar, Wedmore, Brent Knoll and Burnham-On-Sea (supply zone), 1 January 2025 to 31 December 2025). Published figure.
What does the drinking water regulator's record show for BS25?
Bristol Water: at least 16 tests failed UK drinking-water standards in 2025 (DWI, company-wide). Some published DWI figures don't reconcile or identify a company, so we've left them out; the true number may be higher. England overall: 99.97% of tests met standards.
Could homes in BS25 have lead pipes?
62% of homes here were built before 1973 — estimate, not a test. Homes in the parts of BS25 we can match to council-tax records (100% of its postcodes) whose build period is known; the share with no recorded build period isn't published for these areas. Allowing for suppressed counts: 59–62%. England and Wales: 61% (2026). Older homes are more likely to have lead pipes. Only a test tells you whether yours does.
Is the water in BS25 fluoridated?
We cannot confirm whether this area is part of a water fluoridation scheme. Ask your water supplier using your postcode. Around one in ten people in England receive drinking water supplied by a fluoridation scheme.
Sources and method

Bristol Water, Bristol Water, Bristol Water, Bristol Water: Database right, used under the publisher's terms.

Water company boundaries © Water UK, licensed under CC BY 4.0Contains public sector information licensed under the Open Government Licence v3.0All content is available under the Open Government Licence v3.0, except where otherwise stated © Crown copyright

Data generation uk-2026-10-16-derive6

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By TapWaterData Editorial

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