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tapwater
England and Wales average 9.0

Tap water in TF6, Telford and WrekinSafe to drink.

Supplied by Severn Trent. 987 samples, 22 substances, latest on 15 December 2025. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.7 / 10

The tank is as full as the score.

What to do about it

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What's in a glass of TF6 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.

Nitrate came closest to a limit, at 18% of it. 19 of 19 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitSelenium: 0.00009 mg/L, <1% of the 0.04 mg/L limitSelenium<1%Cadmium: 0.00002 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Chromium: 0.00042 mg/L, <1% of the 0.05 mg/L limitChromium<1%Antimony: 0.000059 mg/L, 1% of the 0.005 mg/L limitAntimony1%Lead: 0.00014 mg/L, 1% of the 0.01 mg/L limitLead1%Manganese: 0.00073 mg/L, 1% of the 0.05 mg/L limitManganese1%Copper: 0.0386 mg/L, 2% of the 2 mg/L limitCopper2%Mercury: 0.000022 mg/L, 2% of the 0.001 mg/L limitMercury2%Trihalomethanes: 0.0025 mg/L, 3% of the 0.1 mg/L limitTrihalomethanes3%Nitrite: 0.014 mg/L, 3% of the 0.5 mg/L limitNitrite3%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Boron: 0.03 mg/L, 3% of the 1 mg/L limitBoron3%Arsenic: 0.0003 mg/L, 3% of the 0.01 mg/L limitArsenic3%Fluoride: 0.05 mg/L, 3% of the 1.5 mg/L limitFluoride3%Iron: 0.007 mg/L, 3% of the 0.2 mg/L limitIron3%Colour: 0.8 mg/L Pt/Co, 4% of the 20 mg/L Pt/Co limitColour4%Nickel: 0.001 mg/L, 5% of the 0.02 mg/L limitNickel5%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Nitrate: 9.2 mg/L, 18% of the 50 mg/L limitNitrate18%
  1. Nitrate18%
  2. Aluminium11%
  3. Nickel5%
  4. Colour4%
  5. Iron3%
  6. Fluoride3%
  7. Turbidity3%
  8. Boron3%
  9. Arsenic3%
  10. Nitrite3%
  11. Trihalomethanes3%
  12. Mercury2%
  13. Copper2%
  14. Manganese1%
  15. Lead1%
  16. Antimony1%
  17. Chromium<1%
  18. Cadmium<1%
  19. Selenium<1%
  • pH 7.44 pH
  • Conductivity 594 µS/cm
  • Phosphate 0.627 mg/L
All 22 results as a table
SubstanceResultLegal limitShare of limit
Turbidity0.12 NTU4 NTU
3%
pH7.44 pHNo legal limit–
Colour0.8 mg/L Pt/Co20 mg/L Pt/Co
4%
Conductivity594 µS/cmNo legal limit–
Aluminium0.021 mg/L0.2 mg/L
11%
Iron0.007 mg/L0.2 mg/L
3%
Manganese0.00073 mg/L0.05 mg/L
1%
Copper0.0386 mg/L2 mg/L
2%
Fluoride0.05 mg/L1.5 mg/L
3%
Arsenic0.0003 mg/L0.01 mg/L
3%
Cadmium0.00002 mg/L0.005 mg/L
<1%
Chromium0.00042 mg/L0.05 mg/L
<1%
Mercury0.000022 mg/L0.001 mg/L
2%
Nickel0.001 mg/L0.02 mg/L
5%
Lead0.00014 mg/L0.01 mg/L
1%
Antimony0.000059 mg/L0.005 mg/L
1%
Selenium0.00009 mg/L0.04 mg/L
<1%
Nitrate9.2 mg/L50 mg/L
18%
Nitrite0.014 mg/L0.5 mg/L
3%
Boron0.03 mg/L1 mg/L
3%
Trihalomethanes0.0025 mg/L0.1 mg/L
3%
Phosphate0.627 mg/LNo legal limit–
Outside your tap

Your river is the Tern - conf R Meese to conf R Roden, rated moderate

The Environment Agency rated the Tern - conf R Meese to conf R Roden as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by phosphate, fish and water plants and algae. 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. Its ecological rating has improved since the previous assessment.

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

TF6 in short

Tap water in TF6 (Telford and Wrekin) is supplied by Severn Trent in the Telford and Wrekin Central zone and scores 9.7 out of 10, against an England and Wales average of 9.0. None of the 22 tested substances came close to a limit. The latest sample is from 15 December 2025.

  • The cleanest tap water of the 9 areas tested in Telford and WrekinTF6 scores 9.7 out of 10, ahead of TF1 in second place on 9.3.
  • Scores higher than all 8 neighbouring districtsThe nearest rival is TF1 on 9.3, against 9.7 here. Compare with TF1
  • 0.7 points above the national average of 9Cleaner than the typical tested district in the UK. Compare every area

Next door

TF19.3 out of 10TF39.1 out of 10TF29.2 out of 10TF59.3 out of 10TF79.0 out of 10TF89.1 out of 10TF108.4 out of 10TF49.3 out of 10

Questions about TF6 water

Is TF6 tap water safe to drink?

Based on the latest tests, TF6 (Telford and Wrekin) water scores 9.7/10, which is safe. 0 of 22 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in TF6 water?

We tested 22 contaminants in TF6 water. None exceeded recommended safe levels.

Who supplies water in TF6?

TF6 (Telford and Wrekin) is supplied by Severn Trent. You can view their full profile and compliance data on our supplier page.

Should I use a water filter in TF6?

TF6 water scored 9.7/10 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 TF6 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for TF6, 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 TF6?

The Environment Agency rated the Tern - conf R Meese to conf R Roden as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by phosphate, fish and water plants and algae. 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. Its ecological rating has improved since the previous assessment. This is a rating of the river, not of tap water in TF6, 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 TF6

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
pH7.94 pHNone
Temperature16.1 °CNone
Conductivity123 µS/cmNone
Nitrate1.3 mg/L50 mg/L
Nitrite0.015 mg/L0.5 mg/L
Phosphate0.035 mg/LNone
Lead0.00003 mg/L0.01 mg/L
Nickel0.0043 mg/L0.02 mg/L
Dissolved Oxygen8.53 mg/LNone
Hardness (as CaCO3)295 mg/LNone
Zinc0.0052 mg/LNone
Copper0.00013 mg/L2 mg/L
Chromium0.00019 mg/L0.05 mg/L
Ammonia0.055 mg/L0.5 mg/L
Manganese0.021 mg/L0.05 mg/L
Iron0.15 mg/L0.2 mg/L
Aluminium0.12 mg/L0.2 mg/L

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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