Is the water in Nottingham hard or soft?

Severn Trent Water: hard, 227 mg/l, 15.9 °Clark, 12.7 °dH, 22.7 °fH (Nottingham City (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 219 mg/l, 15.4 °Clark, 12.3 °dH, 21.9 °fH (Redhill (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 206 mg/l, 14.5 °Clark, 11.5 °dH, 20.6 °fH (Strelley (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 173 mg/l, 12.1 °Clark, 9.7 °dH, 17.3 °fH (Colwick (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 188 mg/l, 13.2 °Clark, 10.5 °dH, 18.8 °fH (Papplewick (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: We do not have a verified hardness figure for this area. Ask your water company for its water quality report. Severn Trent Water: moderately hard, 180 mg/l, 12.6 °Clark, 10.1 °dH, 18.0 °fH (Basford (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 241 mg/l, 16.9 °Clark, 13.5 °dH, 24.1 °fH (Ruddington (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 171 mg/l, 12.0 °Clark, 9.6 °dH, 17.1 °fH (Rise Park (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 220 mg/l, 15.5 °Clark, 12.3 °dH, 22.0 °fH (Meadows (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 221 mg/l, 15.5 °Clark, 12.4 °dH, 22.1 °fH (Holme (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 174 mg/l, 12.2 °Clark, 9.8 °dH, 17.4 °fH (Belle Vue (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 181 mg/l, 12.7 °Clark, 10.1 °dH, 18.1 °fH (Eastwood and Nuthall (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 172 mg/l, 12.0 °Clark, 9.6 °dH, 17.2 °fH (Oxton (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: hard, 221 mg/l, 15.5 °Clark, 12.4 °dH, 22.1 °fH (Wollaton (supply zone), 1 August 2025 to 31 July 2026). Typical value. Severn Trent Water: moderately hard, 183 mg/l, 12.8 °Clark, 10.2 °dH, 18.3 °fH (Thorneywood (supply zone), 1 August 2025 to 31 July 2026). Typical value.

Is the water in Nottingham 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.

Regulator record

Is Nottingham tap water safe to drink?

Severn Trent Water: at least 40 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.

Nottingham tap water quality report · 2026

Hardness
Moderately hard to hard
171–241 mg/l across 15 supply zones (94% of postcodes)
Details
171–241 mg/l across 15 supply zones (94% of postcodes)
Hosepipe ban
Not available
We can't confirm the hosepipe-ban status for Severn Trent Water from the information we hold.
Check the company's current advice
Details
We can't confirm the hosepipe-ban status for Severn Trent Water from the information we hold.
Check the company's current advice
Storm overflows
110 overflows within 10 km of Nottingham centre
2,003 spills in 2025
Details
2,003 spills in 2025
Lead pipes
61% built before 1973
Estimate, not a test. Homes in the parts of Nottingham 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: 60–61%. England and Wales: 61% (2026).
Ask Severn Trent Water for a free lead test ↗
Lead test kits
Details
Estimate, not a test. Homes in the parts of Nottingham 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: 60–61%. England and Wales: 61% (2026).
Ask Severn Trent Water for a free lead test ↗
Lead test kits

Who supplies water in Nottingham

Severn Trent Water
Supplies 6,789 of 6,789 postcodes (100%)
0800 783 4444 (from Severn Trent Water's contact page, checked 13 October 2026)
Sewerage: Usually Severn Trent Water — they provide water and sewerage across most of their area. Your water bill confirms yours.

Drinking-water test record

Severn Trent Water: 6,789 of 6,789 postcodes

Severn Trent Water

Severn Trent Water, company-wide

Regulator: DWI
Report year: 2025
Failed tests: Not shown
Tests: 452,303

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

Failed tests by parameter
Parameter	Failed tests
Benzo[a]Pyrene (total)	Failed tests: 1
E. coli (confirmed)	Failed tests: 3
Iron	Failed tests: 15
Lead	Failed tests: 4
Manganese	Failed tests: 2
Nickel	Failed tests: 6
Total coliforms (confirmed)	Failed tests: 8
Turbidity – indicator	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

How hard is the water in Nottingham?

Across Nottingham's supply zones, hardness ranges from 171 mg/l (moderately hard) to 241 mg/l (hard). Those 15 zones cover 94% of its postcodes.

15 identified supply zones in Nottingham

Nottingham City · Severn Trent Water (1,792 of 6,789 postcodes)

227 mg/l · 15.9 °Clark · 12.7 °dH · 22.7 °fH

Hard

Typical value.

Nottingham City (supply zone) · 1 August 2025 to 31 July 2026