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tapwater
England and Wales average 9.0

Tap water in S44, BolsoverSafe to drink.Moderately soft.

Supplied by Severn Trent. 1,009 samples, 20 substances, latest on 18 December 2025. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

8.7 / 10

The tank is as full as the score. The specks are the minerals that make water hard.

What to do about it

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Households concerned about PFAS and heavy metals

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High-volume under-sink filtration without RO complexity

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Basic chlorine and taste improvement on a budget

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What's in a glass of S44 water

Every bubble is a substance the lab measured. The higher it floats, the closer it came to its legal limit, the dashed line at the top.

Fluoride came closest to a limit, at 57% of it. 15 of 17 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitNitrite: 0.003 mg/L, <1% of the 0.5 mg/L limitNitrite<1%Chromium: 0.00042 mg/L, <1% of the 0.05 mg/L limitChromium<1%Antimony: 0.000067 mg/L, 1% of the 0.005 mg/L limitAntimony1%Manganese: 0.00073 mg/L, 1% of the 0.05 mg/L limitManganese1%Lead: 0.00015 mg/L, 1% of the 0.01 mg/L limitLead1%Selenium: 0.0007 mg/L, 2% of the 0.04 mg/L limitSelenium2%Copper: 0.0536 mg/L, 3% of the 2 mg/L limitCopper3%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Iron: 0.0107 mg/L, 5% of the 0.2 mg/L limitIron5%Colour: 1.5 mg/L Pt/Co, 8% of the 20 mg/L Pt/Co limitColour8%Cadmium: 0.00044 mg/L, 9% of the 0.005 mg/L limitCadmium9%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Arsenic: 0.00134 mg/L, 13% of the 0.01 mg/L limitArsenic13%Trihalomethanes: 0.0178 mg/L, 18% of the 0.1 mg/L limitTrihalomethanes18%Nickel: 0.0043 mg/L, 22% of the 0.02 mg/L limitNickel22%Nitrate: 27.1 mg/L, 54% of the 50 mg/L limitNitrate54%Fluoride: 0.86 mg/L, 57% of the 1.5 mg/L limitFluoride57%
  1. Fluoride57%
  2. Nitrate54%
  3. Nickel22%
  4. Trihalomethanes18%
  5. Arsenic13%
  6. Aluminium11%
  7. Cadmium9%
  8. Colour8%
  9. Iron5%
  10. Turbidity3%
  11. Copper3%
  12. Selenium2%
  13. Lead1%
  14. Manganese1%
  15. Antimony1%
  16. Chromium<1%
  17. Nitrite<1%
  • pH 7.56 pH
  • Conductivity 301 µS/cm
  • Phosphate 0.944 mg/L
All 20 results as a table
SubstanceResultLegal limitShare of limit
Colour1.5 mg/L Pt/Co20 mg/L Pt/Co
8%
Turbidity0.12 NTU4 NTU
3%
Aluminium0.021 mg/L0.2 mg/L
11%
Iron0.0107 mg/L0.2 mg/L
5%
Manganese0.00073 mg/L0.05 mg/L
1%
pH7.56 pHNo legal limit–
Conductivity301 µS/cmNo legal limit–
Trihalomethanes0.0178 mg/L0.1 mg/L
18%
Nitrate27.1 mg/L50 mg/L
54%
Nitrite0.003 mg/L0.5 mg/L
<1%
Copper0.0536 mg/L2 mg/L
3%
Fluoride0.86 mg/L1.5 mg/L
57%
Arsenic0.00134 mg/L0.01 mg/L
13%
Cadmium0.00044 mg/L0.005 mg/L
9%
Chromium0.00042 mg/L0.05 mg/L
<1%
Nickel0.0043 mg/L0.02 mg/L
22%
Lead0.00015 mg/L0.01 mg/L
1%
Antimony0.000067 mg/L0.005 mg/L
1%
Selenium0.0007 mg/L0.04 mg/L
2%
Phosphate0.944 mg/LNo legal limit–

88mg of limescale minerals in every litre, typical for the S area. S44 has no reading of its own.

Soft water. Kind to kettles, boilers and skin

You will not need a softener here, and you will use less soap and detergent than most of England.

Soft400 mg/L
Outside your tap

Your river is the Doe Lea from Source to Hawke Brook, rated poor

The Environment Agency rated the Doe Lea from Source to Hawke Brook as poor for ecological health in its 2025 assessment, meaning the river is badly affected, with much of the expected wildlife missing. It is held back by water plants and algae, fish and insects and other small river life. It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants.

None of this is a test of your tap water. Environment Agency record · River health across England

S44 in short

Tap water in S44 (Bolsover) is supplied by Severn Trent in the Bolsover Central zone and scores 8.7 out of 10, against an England and Wales average of 9.0. None of the 20 tested substances came close to a limit. The latest sample is from 18 December 2025.

  • Fluoride is the reading closest to its limit, at 57% of the 1.5 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • Moderately soft water at 88 mg/LLittle limescale to speak of across the S postcode area. A softener would be money wasted. How hardness is measured
  • Right on the national average of 9 out of 10Most of the country's tested districts land within half a point of S44. Compare every area

Next door

S439.5 out of 10 · 88 mg/L

Questions about S44 water

Is S44 tap water safe to drink?

Based on the latest tests, S44 (Bolsover) water scores 8.7/10, which is safe. 0 of 20 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in S44 water?

We tested 20 contaminants in S44 water. None exceeded recommended safe levels.

Who supplies water in S44?

S44 (Bolsover) is supplied by Severn Trent. You can view their full profile and compliance data on our supplier page.

Is S44 water hard or soft?

No hardness reading has been published for S44 itself. Across the S postcode area the typical value is 88 mg/L CaCO3, which is classified as moderately soft. This is a moderate hardness level.

Should I use a water filter in S44?

S44 water scored 8.7/10 with no contaminants above recommended levels. A filter is optional but can improve taste, especially if you notice a chlorine flavour. See our filter recommendations for your area.

Are there PFAS forever chemicals in S44 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for S44, and the Environment Agency has no PFAS detections in rivers or groundwater within 10 km of it. That reflects where sampling has happened as much as the water itself.

How clean is the river near S44?

The Environment Agency rated the Doe Lea from Source to Hawke Brook as poor for ecological health in its 2025 assessment, meaning the river is badly affected, with much of the expected wildlife missing. It is held back by water plants and algae, fish and insects and other small river life. It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants. This is a rating of the river, not of tap water in S44, which is treated before it reaches homes.

Keep reading

How to test your waterBest water filtersFilter shower headsWater testing kitsUK water rankingsWater hardness checkerWater hardness map

River and groundwater readings near S44

Environment Agency samples from rivers, groundwater and reservoirs nearby. Not your tap water. For scale they are shown against drinking water limits; rivers are judged against much stricter environmental standards, and on those every river in England fails for chemicals.

SubstanceReadingDrinking water limit
Aluminium0.21 mg/L0.2 mg/L
Nickel0.34 mg/L0.02 mg/L
pH8.63 pHNone
Temperature10.3 °CNone
Conductivity1033 µS/cmNone
Nitrate3.5 mg/L50 mg/L
Nitrite0.017 mg/L0.5 mg/L
Dissolved Oxygen12.5 mg/LNone
Ammonia0.07 mg/L0.5 mg/L
Phosphate0.088 mg/LNone
Lead0.0062 mg/L0.01 mg/L
Cadmium0.00018 mg/L0.005 mg/L
Hardness (as CaCO3)294 mg/LNone
Chromium0.0039 mg/L0.05 mg/L
Copper0.027 mg/L2 mg/L
Zinc0.18 mg/LNone

Get alerts for your area

We'll email you when water quality data changes for S44.

Source: Severn Trent test results, published through the Stream Water Data Portal; rivers and PFAS from the Environment Agency. Page updated . How we score · Where the data comes from