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tapwater
England and Wales average 9.0

Tap water in NP13, Blaenau GwentSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 726 samples, 23 substances, latest on 16 December 2024. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.6 / 10

The tank is as full as the score.

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What's in a glass of NP13 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.

Colour came closest to a limit, at 23% of it. 20 of 20 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitBromate: 3.1e-7 mg/L, <1% of the 0.01 mg/L limitBromate<1%Chromium: 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: 0.000043 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Manganese: 0.00068 mg/L, 1% of the 0.05 mg/L limitManganese1%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%Arsenic: 0.00026 mg/L, 3% of the 0.01 mg/L limitArsenic3%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%Nitrate: 2.61 mg/L, 5% of the 50 mg/L limitNitrate5%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%Fluoride: 0.11 mg/L, 7% of the 1.5 mg/L limitFluoride7%Iron: 0.021 mg/L, 11% of the 0.2 mg/L limitIron11%Nitrite: 0.056 mg/L, 11% of the 0.5 mg/L limitNitrite11%Trihalomethanes: 0.019 mg/L, 19% of the 0.1 mg/L limitTrihalomethanes19%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%
  1. Colour23%
  2. Trihalomethanes19%
  3. Nitrite11%
  4. Iron11%
  5. Fluoride7%
  6. Turbidity7%
  7. Nitrate5%
  8. Mercury4%
  9. Nickel3%
  10. Copper3%
  11. Boron3%
  12. Arsenic3%
  13. Aluminium3%
  14. Lead2%
  15. Manganese1%
  16. Antimony<1%
  17. Selenium<1%
  18. Cadmium<1%
  19. Chromium<1%
  20. Bromate<1%
  • Conductivity 140 µS/cm
  • E. coli none found
  • Coliform Bacteria none found
All 23 results as a table
SubstanceResultLegal limitShare of limit
Conductivity140 µS/cmNo legal limit–
E. coli0 count/100mlMust be zeroNone found
Coliform Bacteria0 count/100mlMust be zeroNone found
Iron0.021 mg/L0.2 mg/L
11%
Aluminium0.005 mg/L0.2 mg/L
3%
Manganese0.00068 mg/L0.05 mg/L
1%
Turbidity0.27 NTU4 NTU
7%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Trihalomethanes0.019 mg/L0.1 mg/L
19%
Selenium0.00023 mg/L0.04 mg/L
<1%
Antimony0.000043 mg/L0.005 mg/L
<1%
Chromium0.000092 mg/L0.05 mg/L
<1%
Copper0.058 mg/L2 mg/L
3%
Nickel0.00059 mg/L0.02 mg/L
3%
Arsenic0.00026 mg/L0.01 mg/L
3%
Lead0.00016 mg/L0.01 mg/L
2%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Nitrite0.056 mg/L0.5 mg/L
11%
Nitrate2.61 mg/L50 mg/L
5%
Boron0.028 mg/L1 mg/L
3%
Bromate3.1e-7 mg/L0.01 mg/L
<1%
Fluoride0.11 mg/L1.5 mg/L
7%
Mercury0.000042 mg/L0.001 mg/L
4%

NP13 in short

Tap water in NP13 (Blaenau Gwent) is supplied by Dŵr Cymru Welsh Water in the Blaenau Gwent Central zone and scores 9.6 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 16 December 2024.

  • The cleanest tap water of the 3 areas tested in Blaenau GwentNP13 scores 9.6 out of 10, ahead of NP22 in second place on 9.5.
  • 0.6 points above the national average of 9Cleaner than the typical tested district in the UK. Compare every area
  • Nothing tested came within 40% of its legal limitThe highest was Colour at 23% of the 20 mg/L Pt/Co maximum. See every reading

Next door

NP229.5 out of 10NP239.5 out of 10

Questions about NP13 water

Is NP13 tap water safe to drink?

Based on the latest tests, NP13 (Blaenau Gwent) water scores 9.6/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in NP13 water?

We tested 23 contaminants in NP13 water. None exceeded recommended safe levels.

Who supplies water in NP13?

NP13 (Blaenau Gwent) 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 NP13?

NP13 water scored 9.6/10 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 NP13 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for NP13, 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