PE27 tap water: what's in it?
Cambridge Water: at least 1 test 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.
PE27 tap water quality report · 2026
Hardness
Not covered
We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
Details
We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
Hosepipe ban
Hosepipe ban in force
Cambridge Water (Environment Agency, 11 October 2026). Checked 11 October 2026 at 02:34
Details
Cambridge Water (Environment Agency, 11 October 2026). Checked 11 October 2026 at 02:34
Storm overflows
26 overflows within 10 km of PE27 centre
232 spills in 2025
Details
232 spills in 2025
Lead pipes
38% built before 1973
Estimate, not a test. Homes in the parts of PE27 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: 37–38%. England and Wales: 61% (2026).
Details
Estimate, not a test. Homes in the parts of PE27 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: 37–38%. England and Wales: 61% (2026).
Who supplies water in PE27
Supplies 530 of 548 postcodes (97%)
We can't tell your sewerage company from official data for this area. It's named on your water bill.
Also supplied here: Anglian Water (3 of 548 postcodes (1%))
Boundary or unplaced: 15 postcodes
Drinking-water test record
Cambridge Water: 530 of 548 postcodes
Cambridge Water
Cambridge Water, company-wide
- Regulator
- DWI
- Report year
- 2025
- Failed tests
- Not shown
- Tests
- 29,664
The regulator's published total and its company rows disagree, so we don't show a count.
| Parameter | Failed tests |
|---|---|
| Total coliforms (confirmed) | Failed tests: 1 |
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
Anglian Water: 3 of 548 postcodes
Anglian Water
Anglian Water group, includes Anglian Water
- Regulator
- DWI
- Report year
- 2025
- Failed tests
- Not shown
- Tests
- 384,536
The regulator's published total and its company rows disagree, so we don't show a count.
| Parameter | Failed tests |
|---|---|
| Copper | Failed tests: 1 |
| E. coli (confirmed) | Failed tests: 1 |
| Iron | Failed tests: 6 |
| Lead | Failed tests: 2 |
| Nickel | Failed tests: 3 |
| Total coliforms (confirmed) | Failed tests: 10 |
| Turbidity – indicator | Failed tests: 2 |
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 PE27?
Across PE27's supply zones, hardness ranges from 318 mg/l (very hard) to 318 mg/l (very hard). Those 1 zones cover 45% of its postcodes.
2 identified supply zones in PE27
Coton · Cambridge Water (248 of 548 postcodes)
318 mg/l · 22.3 °Clark · 17.8 °dH · 31.8 °fH
Zone average.
Coton (supply zone) · 2025
Source: Cambridge Water — dated 2025, read 20 September 2026
Huntingdon North PWSZ · Anglian Water (3 of 548 postcodes)
at least 291 mg/l · at least 20.4 °Clark · at least 16.3 °dH · at least 29.1 °fH
Zone average. At least 291 mg/l (hard or harder); total hardness is higher.
Huntingdon North PWSZ (supply zone) · January 2025 to December 2025
Source: Anglian Water — dated January 2025 to December 2025, read 28 September 2026
282 postcodes without an identified supply zone
Cambridge Water (282 of 548 postcodes)
We do not have a verified hardness figure for this area. Ask your water company for its water quality report.
Storm overflows nearby
26 overflows within 10 km of PE27 centre · 232 spills in 2025
PE27 (district) · 2025
Source: Environment Agency EDM annual return 2025 — dated 20 August 2026, read 13 October 2026
Overflows here are run by Anglian Water.
14 of these were monitored for only part of 2025.
Nearest 5 shown
ILEX RD PS
Into Houghton Drain · 0.5 km from the centre of PE27
0 spills · 0 hours · Monitored 100% of 2025
ST IVES THE WAITS PUMPING STATION
Into River Ouse · 0.8 km from the centre of PE27
0 spills · 0 hours · Monitored 100% of 2025
ST. IVES - MEADOW LANE PS
Into RIVER GR OUSE/ ML GRAVEL PIT · 1 km from the centre of PE27
15 spills · 14.3 hours · Monitored 100% of 2025
ST IVES THE QUAY PUMPING STATION
Into River Ouse · 1.1 km from the centre of PE27
0 spills · 0 hours · Monitored 100% of 2025
ST IVES PRIORY ROAD PUMPING STATION
Into River Great Ouse · 1.1 km from the centre of PE27
18 spills · 31.6 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
38% built before 1973
38% of homes here were built before 1973 — estimate, not a test.
Homes in the parts of PE27 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: 37–38%. England and Wales: 61% (2026).
Older homes are more likely to have lead pipes. Only a test tells you whether yours does.
PE27 (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
General picks — we don't hold your hardness
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 PE27
- Is the water in PE27 hard or soft?
- Cambridge Water: We do not have a verified hardness figure for this area. Ask your water company for its water quality report. Cambridge Water: very hard, 318 mg/l, 22.3 °Clark, 17.8 °dH, 31.8 °fH (Coton (supply zone), 2025). Zone average. Anglian Water: at least hard, at least 291 mg/l, at least 20.4 °Clark, at least 16.3 °dH, at least 29.1 °fH (Huntingdon North PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 291 mg/l (hard or harder); total hardness is higher.
- What does the drinking water regulator's record show for PE27?
- Cambridge Water: at least 1 test 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 PE27 have lead pipes?
- 38% of homes here were built before 1973 — estimate, not a test. Homes in the parts of PE27 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: 37–38%. 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 PE27 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
- Cambridge Water 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
- Cambridge Water ↗ · 2025 · read 20 September 2026
- Anglian Water ↗ · January 2025 to December 2025 · read 28 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
- Environment Agency ↗ · 11 October 2026 · read 11 October 2026
Cambridge Water contact page, Cambridge 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