LN4 tap water: what's in it?

Who supplies water in LN4

Drinking-water test record

How hard is the water in LN4?

Storm overflows nearby

Older homes and lead pipes

Fluoride

Hosepipe bans

What you can do

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)

• Why is my tap water brown?

  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 LN4

Is the water in LN4 hard or soft?

Anglian Water: at least hard, at least 287 mg/l, at least 20.1 °Clark, at least 16.1 °dH, at least 28.7 °fH (Billinghay PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 287 mg/l (hard or harder); total hardness is higher. Anglian Water: at least very hard, at least 410 mg/l, at least 28.8 °Clark, at least 23.0 °dH, at least 41.0 °fH (Branston PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 410 mg/l (very hard or harder); total hardness is higher. Anglian Water: at least hard, at least 290 mg/l, at least 20.3 °Clark, at least 16.2 °dH, at least 29.0 °fH (Miningsby PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 290 mg/l (hard or harder); total hardness is higher. Anglian Water: We do not have a verified hardness figure for this area. Ask your water company for its water quality report. Anglian Water: at least hard, at least 271 mg/l, at least 19.0 °Clark, at least 15.2 °dH, at least 27.1 °fH (Lincoln South PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 271 mg/l (hard or harder); total hardness is higher. Anglian Water: at least very hard, at least 363 mg/l, at least 25.5 °Clark, at least 20.4 °dH, at least 36.3 °fH (Boston PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 363 mg/l (very hard or harder); total hardness is higher. Anglian Water: at least very hard, at least 339 mg/l, at least 23.8 °Clark, at least 19.0 °dH, at least 33.9 °fH (Clay Hill PWSZ (supply zone), January 2025 to December 2025). Zone average. At least 339 mg/l (very hard or harder); total hardness is higher.

What does the drinking water regulator's record show for LN4?

Anglian Water group (figures include Anglian Water): at least 25 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 LN4 have lead pipes?

48% of homes here were built before 1973 — estimate, not a test. Homes in the parts of LN4 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: 47–48%. 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 LN4 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.