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tapwater
England and Wales average 9.0

Tap water in NP10, NewportSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 855 samples, 23 substances, latest on 20 December 2024. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.4 / 10

The tank is as full as the score.

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What's in a glass of NP10 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.

Iron came closest to a limit, at 55% of it. 18 of 20 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitChromium: 0.000092 mg/L, <1% of the 0.05 mg/L limitChromium<1%Cadmium: 0.000025 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Selenium: 0.00023 mg/L, <1% of the 0.04 mg/L limitSelenium<1%Antimony: 0.000042 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Arsenic: 0.00011 mg/L, 1% of the 0.01 mg/L limitArsenic1%Lead: 0.00016 mg/L, 2% of the 0.01 mg/L limitLead2%Aluminium: 0.005 mg/L, 3% of the 0.2 mg/L limitAluminium3%Nitrite: 0.013 mg/L, 3% of the 0.5 mg/L limitNitrite3%Boron: 0.028 mg/L, 3% of the 1 mg/L limitBoron3%Copper: 0.058 mg/L, 3% of the 2 mg/L limitCopper3%Nickel: 0.00059 mg/L, 3% of the 0.02 mg/L limitNickel3%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%Manganese: 0.0035 mg/L, 7% of the 0.05 mg/L limitManganese7%Fluoride: 0.11 mg/L, 7% of the 1.5 mg/L limitFluoride7%Bromate: 0.00095 mg/L, 10% of the 0.01 mg/L limitBromate10%Nitrate: 7.35 mg/L, 15% of the 50 mg/L limitNitrate15%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%Trihalomethanes: 0.029 mg/L, 29% of the 0.1 mg/L limitTrihalomethanes29%Iron: 0.11 mg/L, 55% of the 0.2 mg/L limitIron55%
  1. Iron55%
  2. Trihalomethanes29%
  3. Colour23%
  4. Nitrate15%
  5. Bromate10%
  6. Fluoride7%
  7. Manganese7%
  8. Turbidity7%
  9. Mercury4%
  10. Nickel3%
  11. Copper3%
  12. Boron3%
  13. Nitrite3%
  14. Aluminium3%
  15. Lead2%
  16. Arsenic1%
  17. Antimony<1%
  18. Selenium<1%
  19. Cadmium<1%
  20. Chromium<1%
  • Conductivity 300 µS/cm
  • Coliform Bacteria none found
  • E. coli none found
All 23 results as a table
SubstanceResultLegal limitShare of limit
Bromate0.00095 mg/L0.01 mg/L
10%
Trihalomethanes0.029 mg/L0.1 mg/L
29%
Boron0.028 mg/L1 mg/L
3%
Conductivity300 µS/cmNo legal limit–
Coliform Bacteria0 count/100mlMust be zeroNone found
Selenium0.00023 mg/L0.04 mg/L
<1%
E. coli0 count/100mlMust be zeroNone found
Antimony0.000042 mg/L0.005 mg/L
<1%
Lead0.00016 mg/L0.01 mg/L
2%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Mercury0.000042 mg/L0.001 mg/L
4%
Nickel0.00059 mg/L0.02 mg/L
3%
Chromium0.000092 mg/L0.05 mg/L
<1%
Arsenic0.00011 mg/L0.01 mg/L
1%
Fluoride0.11 mg/L1.5 mg/L
7%
Manganese0.0035 mg/L0.05 mg/L
7%
Iron0.11 mg/L0.2 mg/L
55%
Aluminium0.005 mg/L0.2 mg/L
3%
Nitrite0.013 mg/L0.5 mg/L
3%
Copper0.058 mg/L2 mg/L
3%
Nitrate7.35 mg/L50 mg/L
15%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Turbidity0.27 NTU4 NTU
7%

NP10 in short

Tap water in NP10 (Newport) is supplied by Dŵr Cymru Welsh Water in the Newport Central zone and scores 9.4 out of 10, against an England and Wales average of 9.0. None of the 23 tested substances came close to a limit. The latest sample is from 20 December 2024.

  • The cleanest tap water of the 4 areas tested in NewportNP10 scores 9.4 out of 10, ahead of NP20 in second place on 9.3.
  • Iron is the reading closest to its limit, at 55% of the 0.2 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • Scores higher than all 3 neighbouring districtsThe nearest rival is NP20 on 9.3, against 9.4 here. Compare with NP20

Next door

NP209.3 out of 10NP198.6 out of 10NP189.2 out of 10

Questions about NP10 water

Is NP10 tap water safe to drink?

Based on the latest tests, NP10 (Newport) water scores 9.4/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in NP10 water?

We tested 23 contaminants in NP10 water. None exceeded recommended safe levels.

Who supplies water in NP10?

NP10 (Newport) is supplied by Dŵr Cymru Welsh Water. You can view their full profile and compliance data on our supplier page.

Should I use a water filter in NP10?

NP10 water scored 9.4/10 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 NP10 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for NP10, 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.

Keep reading

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Source: Dŵr Cymru Welsh Water 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