BB7 tap water: what's in it?
United Utilities: at least 57 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.
BB7 tap water quality report · 2026
Hardness
Soft
Lowcocks (supply zone) · 12-month average, updated 25 September 2026; 32 samples
Details
Lowcocks (supply zone) · 12-month average, updated 25 September 2026; 32 samples
Hosepipe ban
Not available
We can't confirm the hosepipe-ban status for United Utilities from the information we hold.
Details
We can't confirm the hosepipe-ban status for United Utilities from the information we hold.
Storm overflows
37 overflows within 10 km of BB7 centre
1,697 spills in 2025
Details
1,697 spills in 2025
Lead pipes
57% built before 1973
Estimate, not a test. Homes in the parts of BB7 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: 56–57%. England and Wales: 61% (2026).
Details
Estimate, not a test. Homes in the parts of BB7 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: 56–57%. England and Wales: 61% (2026).
Who supplies water in BB7
Supplies 1,220 of 1,222 postcodes (100%)
Sewerage: Usually United Utilities — they provide water and sewerage across most of their area. Your water bill confirms yours.
Also supplied here: Yorkshire Water (2 of 1,222 postcodes (0%))
Drinking-water test record
United Utilities: 1,220 of 1,222 postcodes
United Utilities
United Utilities, company-wide
- Regulator
- DWI
- Report year
- 2025
- Failed tests
- Not shown
- Tests
- 385,673
The regulator's published total and its company rows disagree, so we don't show a count.
| Parameter | Failed tests |
|---|---|
| Aluminium | Failed tests: 5 |
| E. coli (confirmed) | Failed tests: 4 |
| Iron | Failed tests: 18 |
| Lead | Failed tests: 7 |
| Manganese | Failed tests: 7 |
| Nickel | Failed tests: 3 |
| Total coliforms (confirmed) | Failed tests: 13 |
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
Yorkshire Water: 2 of 1,222 postcodes
Yorkshire Water
Yorkshire Water, company-wide
- Regulator
- DWI
- Report year
- 2025
- Failed tests
- Not shown
- Tests
- 388,919
The regulator's published total and its company rows disagree, so we don't show a count.
| Parameter | Failed tests |
|---|---|
| E. coli (confirmed) | Failed tests: 4 |
| Enterococci (confirmed) | Failed tests: 2 |
| Iron | Failed tests: 20 |
| Lead | Failed tests: 6 |
| Nickel | Failed tests: 7 |
| Total coliforms (confirmed) | Failed tests: 30 |
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 BB7?
69% of BB7's postcodes are in the Lowcocks supply zone (United Utilities): 56 mg/l, soft.
Lowcocks · United Utilities (841 of 1,222 postcodes)
56 mg/l · 3.9 °Clark · 3.1 °dH · 5.6 °fH
Zone average of 32 samples.
Lowcocks (supply zone) · 12-month average, updated 25 September 2026; 32 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
7 identified supply zones in BB7
Lowcocks · United Utilities (841 of 1,222 postcodes)
56 mg/l · 3.9 °Clark · 3.1 °dH · 5.6 °fH
Zone average of 32 samples.
Lowcocks (supply zone) · 12-month average, updated 25 September 2026; 32 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
Ribble Valley · United Utilities (165 of 1,222 postcodes)
22 mg/l · 1.5 °Clark · 1.2 °dH · 2.2 °fH
Zone average of 14 samples.
Ribble Valley (supply zone) · 12-month average, updated 25 September 2026; 14 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 29 September 2026
Dunsop · United Utilities (62 of 1,222 postcodes)
55 mg/l · 3.9 °Clark · 3.1 °dH · 5.5 °fH
Zone average of 4 samples.
Dunsop (supply zone) · 12-month average, updated 25 September 2026; 4 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
Martholme Gravity · United Utilities (51 of 1,222 postcodes)
23 mg/l · 1.6 °Clark · 1.3 °dH · 2.3 °fH
Zone average of 13 samples.
Martholme Gravity (supply zone) · 12-month average, updated 25 September 2026; 13 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
Blackburn North · United Utilities (19 of 1,222 postcodes)
39 mg/l · 2.7 °Clark · 2.2 °dH · 3.9 °fH
Zone average of 37 samples.
Blackburn North (supply zone) · 12-month average, updated 25 September 2026; 37 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
Great Harwood / Rishton · United Utilities (9 of 1,222 postcodes)
23 mg/l · 1.6 °Clark · 1.3 °dH · 2.3 °fH
Zone average of 29 samples.
Great Harwood / Rishton (supply zone) · 12-month average, updated 25 September 2026; 29 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 28 September 2026
Dilworth · United Utilities (4 of 1,222 postcodes)
57 mg/l · 4.0 °Clark · 3.2 °dH · 5.7 °fH
Zone average of 31 samples.
Dilworth (supply zone) · 12-month average, updated 25 September 2026; 31 samples
Source: United Utilities — dated 12-month average, updated 25 September 2026, read 29 September 2026
71 postcodes without an identified supply zone
United Utilities (69 of 1,222 postcodes)
We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
Yorkshire Water (2 of 1,222 postcodes)
We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
Storm overflows nearby
37 overflows within 10 km of BB7 centre · 1,697 spills in 2025
BB7 (district) · 2025
Source: Environment Agency EDM annual return 2025 — dated 20 August 2026, read 13 October 2026
Overflows here are run by United Utilities.
35 of these were monitored for only part of 2025.
Nearest 5 shown
ADJ POLICE STATION KING STREET CSO
Into TRIB OF PENDLETON BROOK BY SWS · 1.5 km from the centre of BB7
1 spill · 0 hours · Monitored 96.1% of 2025
CLITHEROE STREET CSO
Into PENDLETON BROOK · 1.6 km from the centre of BB7
35 spills · 111.6 hours · Monitored 100% of 2025
NORTH WEST OF HENTHORN ROAD BRIDGE
Into PENDLETON BROOK · 2.1 km from the centre of BB7
55 spills · 264.5 hours · Monitored 99.7% of 2025
CLITHEROE WWTW
Into BARROW CLOUGH/PENDLETON BROOK · 2.3 km from the centre of BB7
78 spills · 700.8 hours · Monitored 99.9% of 2025
SPRING GARDENS WADDINGTON CSO
Into WADDINGTON BROOK · 2.3 km from the centre of BB7
48 spills · 89.7 hours · Monitored 99.5% 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
57% built before 1973
57% of homes here were built before 1973 — estimate, not a test.
Homes in the parts of BB7 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: 56–57%. England and Wales: 61% (2026).
Older homes are more likely to have lead pipes. Only a test tells you whether yours does.
BB7 (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.
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
Hosepipe bans
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)
View Detailsreduces 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.
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)
View Detailsreduces 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.
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
How much does a water softener cost in the UK?
Water softener cost UK 2026: price by home size
Why is my tap water cloudy or white?
Why is my tap water cloudy or white? (UK)
Brown tap water: causes and what to do (UK)
Why does my tap water taste metallic?
Tap water tastes metallic? Causes and fixes (UK)
Questions about tap water in BB7
- Is the water in BB7 hard or soft?
- United Utilities: soft, 56 mg/l, 3.9 °Clark, 3.1 °dH, 5.6 °fH (Lowcocks (supply zone), 12-month average, updated 25 September 2026; 32 samples). Zone average of 32 samples. United Utilities: soft, 22 mg/l, 1.5 °Clark, 1.2 °dH, 2.2 °fH (Ribble Valley (supply zone), 12-month average, updated 25 September 2026; 14 samples). Zone average of 14 samples. United Utilities: We do not have a verified hardness figure for this area. Ask your water company for its water quality report. United Utilities: soft, 55 mg/l, 3.9 °Clark, 3.1 °dH, 5.5 °fH (Dunsop (supply zone), 12-month average, updated 25 September 2026; 4 samples). Zone average of 4 samples. United Utilities: soft, 23 mg/l, 1.6 °Clark, 1.3 °dH, 2.3 °fH (Martholme Gravity (supply zone), 12-month average, updated 25 September 2026; 13 samples). Zone average of 13 samples. United Utilities: soft, 39 mg/l, 2.7 °Clark, 2.2 °dH, 3.9 °fH (Blackburn North (supply zone), 12-month average, updated 25 September 2026; 37 samples). Zone average of 37 samples. United Utilities: soft, 23 mg/l, 1.6 °Clark, 1.3 °dH, 2.3 °fH (Great Harwood / Rishton (supply zone), 12-month average, updated 25 September 2026; 29 samples). Zone average of 29 samples. United Utilities: soft, 57 mg/l, 4.0 °Clark, 3.2 °dH, 5.7 °fH (Dilworth (supply zone), 12-month average, updated 25 September 2026; 31 samples). Zone average of 31 samples. Yorkshire Water: We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
- What does the drinking water regulator's record show for BB7?
- United Utilities: at least 57 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 BB7 have lead pipes?
- 57% of homes here were built before 1973 — estimate, not a test. Homes in the parts of BB7 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: 56–57%. 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 BB7 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
- Water Company Boundaries (UC2) ↗ · 19 September 2026 · read 20 September 2026
- United Utilities contact page ↗ · 13 October 2026 · read 13 October 2026
- DWI england 2025, Annex B ↗ · 2025 · read 13 October 2026
- DWI england 2025, national compliance ↗ · 2025 · read 13 October 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 32 samples · read 28 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 14 samples · read 29 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 4 samples · read 28 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 13 samples · read 28 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 37 samples · read 28 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 29 samples · read 28 September 2026
- United Utilities ↗ · 12-month average, updated 25 September 2026; 31 samples · read 29 September 2026
- Environment Agency EDM annual return 2025 ↗ · 2025 · read 13 October 2026
- Valuation Office Agency, Council Tax: stock of properties ↗ · 2026 · read 24 September 2026
- UKHSA and DHSC ↗ · 2026 health monitoring report · read 13 October 2026
United Utilities contact page, United Utilities, United Utilities, United Utilities, United Utilities, United Utilities, United Utilities, United Utilities: 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 v3.0
Data generation uk-2026-10-16-derive6