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tapwater
England and Wales average 9.0

Tap water in NP20, NewportSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 810 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

9.3 / 10

The tank is as full as the score.

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What's in a glass of NP20 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.

Nitrite came closest to a limit, at 50% of it. 19 of 20 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitCadmium: 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: 0.000033 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Arsenic: 0.00011 mg/L, 1% of the 0.01 mg/L limitArsenic1%Manganese: 0.00068 mg/L, 1% of the 0.05 mg/L limitManganese1%Aluminium: 0.005 mg/L, 3% of the 0.2 mg/L limitAluminium3%Boron: 0.028 mg/L, 3% of the 1 mg/L limitBoron3%Copper: 0.058 mg/L, 3% of the 2 mg/L limitCopper3%Chromium: 0.0015 mg/L, 3% of the 0.05 mg/L limitChromium3%Iron: 0.0069 mg/L, 3% of the 0.2 mg/L limitIron3%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Lead: 0.00057 mg/L, 6% of the 0.01 mg/L limitLead6%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%Fluoride: 0.11 mg/L, 7% of the 1.5 mg/L limitFluoride7%Bromate: 0.00074 mg/L, 7% of the 0.01 mg/L limitBromate7%Nickel: 0.0021 mg/L, 11% of the 0.02 mg/L limitNickel11%Trihalomethanes: 0.012 mg/L, 12% of the 0.1 mg/L limitTrihalomethanes12%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%Nitrate: 12.3 mg/L, 25% of the 50 mg/L limitNitrate25%Nitrite: 0.25 mg/L, 50% of the 0.5 mg/L limitNitrite50%
  1. Nitrite50%
  2. Nitrate25%
  3. Colour23%
  4. Trihalomethanes12%
  5. Nickel11%
  6. Bromate7%
  7. Fluoride7%
  8. Turbidity7%
  9. Lead6%
  10. Mercury4%
  11. Iron3%
  12. Chromium3%
  13. Copper3%
  14. Boron3%
  15. Aluminium3%
  16. Manganese1%
  17. Arsenic1%
  18. Antimony<1%
  19. Selenium<1%
  20. Cadmium<1%
  • Coliform Bacteria none found
  • E. coli none found
  • Conductivity 300 µS/cm
All 23 results as a table
SubstanceResultLegal limitShare of limit
Coliform Bacteria0 count/100mlMust be zeroNone found
E. coli0 count/100mlMust be zeroNone found
Conductivity300 µS/cmNo legal limit–
Iron0.0069 mg/L0.2 mg/L
3%
Manganese0.00068 mg/L0.05 mg/L
1%
Aluminium0.005 mg/L0.2 mg/L
3%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Turbidity0.27 NTU4 NTU
7%
Bromate0.00074 mg/L0.01 mg/L
7%
Boron0.028 mg/L1 mg/L
3%
Trihalomethanes0.012 mg/L0.1 mg/L
12%
Antimony0.000033 mg/L0.005 mg/L
<1%
Lead0.00057 mg/L0.01 mg/L
6%
Nickel0.0021 mg/L0.02 mg/L
11%
Selenium0.00023 mg/L0.04 mg/L
<1%
Chromium0.0015 mg/L0.05 mg/L
3%
Arsenic0.00011 mg/L0.01 mg/L
1%
Fluoride0.11 mg/L1.5 mg/L
7%
Copper0.058 mg/L2 mg/L
3%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Mercury0.000042 mg/L0.001 mg/L
4%
Nitrite0.25 mg/L0.5 mg/L
50%
Nitrate12.3 mg/L50 mg/L
25%

NP20 in short

Tap water in NP20 (Newport) is supplied by Dŵr Cymru Welsh Water in the Newport Central zone and scores 9.3 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.

  • Nitrite is the reading closest to its limit, at 50% of the 0.5 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • 2nd cleanest of 4 areas tested in NewportOnly 1 area in Newport scored higher. The best is NP10 on 9.4.
  • Scores higher than 2 of 3 neighbouring districtsWater here is typical for the immediate area, which usually means the same treatment works and the same supply zone.

Next door

NP109.4 out of 10NP198.6 out of 10NP189.2 out of 10

Questions about NP20 water

Is NP20 tap water safe to drink?

Based on the latest tests, NP20 (Newport) water scores 9.3/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in NP20 water?

We tested 23 contaminants in NP20 water. None exceeded recommended safe levels.

Who supplies water in NP20?

NP20 (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 NP20?

NP20 water scored 9.3/10 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 NP20 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for NP20, 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