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tapwater
England and Wales average 9.0

Tap water in NP7, MonmouthshireSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 786 samples, 23 substances, latest on 18 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.

What to do about it

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What's in a glass of NP7 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%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: 0.000047 mg/L, <1% of the 0.005 mg/L limitAntimony<1%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%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%Chromium: 0.0015 mg/L, 3% of the 0.05 mg/L limitChromium3%Arsenic: 0.0003 mg/L, 3% of the 0.01 mg/L limitArsenic3%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Manganese: 0.0023 mg/L, 5% of the 0.05 mg/L limitManganese5%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: 0.018 mg/L, 9% of the 0.2 mg/L limitIron9%Trihalomethanes: 0.011 mg/L, 11% of the 0.1 mg/L limitTrihalomethanes11%Nitrite: 0.056 mg/L, 11% of the 0.5 mg/L limitNitrite11%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%
  1. Colour23%
  2. Nitrite11%
  3. Trihalomethanes11%
  4. Iron9%
  5. Fluoride7%
  6. Turbidity7%
  7. Nitrate5%
  8. Manganese5%
  9. Mercury4%
  10. Chromium3%
  11. Arsenic3%
  12. Nickel3%
  13. Copper3%
  14. Boron3%
  15. Aluminium3%
  16. Lead2%
  17. Antimony<1%
  18. Selenium<1%
  19. Cadmium<1%
  20. Bromate<1%
  • Coliform Bacteria none found
  • E. coli none found
  • Conductivity 93 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
Conductivity93 µS/cmNo legal limit–
Manganese0.0023 mg/L0.05 mg/L
5%
Iron0.018 mg/L0.2 mg/L
9%
Aluminium0.005 mg/L0.2 mg/L
3%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Turbidity0.27 NTU4 NTU
7%
Trihalomethanes0.011 mg/L0.1 mg/L
11%
Selenium0.00023 mg/L0.04 mg/L
<1%
Antimony0.000047 mg/L0.005 mg/L
<1%
Lead0.00016 mg/L0.01 mg/L
2%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Nickel0.00059 mg/L0.02 mg/L
3%
Chromium0.0015 mg/L0.05 mg/L
3%
Arsenic0.0003 mg/L0.01 mg/L
3%
Copper0.058 mg/L2 mg/L
3%
Nitrite0.056 mg/L0.5 mg/L
11%
Nitrate2.61 mg/L50 mg/L
5%
Bromate3.1e-7 mg/L0.01 mg/L
<1%
Boron0.028 mg/L1 mg/L
3%
Mercury0.000042 mg/L0.001 mg/L
4%
Fluoride0.11 mg/L1.5 mg/L
7%

NP7 in short

Tap water in NP7 (Monmouthshire) is supplied by Dŵr Cymru Welsh Water in the Monmouthshire 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 18 December 2024.

  • The cleanest tap water of the 5 areas tested in MonmouthshireNP7 scores 9.6 out of 10, ahead of NP16 in second place on 9.5.
  • Scores higher than all 4 neighbouring districtsThe nearest rival is NP16 on 9.5, against 9.6 here. Compare with NP16
  • 0.6 points above the national average of 9Cleaner than the typical tested district in the UK. Compare every area

Next door

NP269.4 out of 10NP159.4 out of 10NP169.5 out of 10NP259.1 out of 10

Questions about NP7 water

Is NP7 tap water safe to drink?

Based on the latest tests, NP7 (Monmouthshire) 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 NP7 water?

We tested 23 contaminants in NP7 water. None exceeded recommended safe levels.

Who supplies water in NP7?

NP7 (Monmouthshire) 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 NP7?

NP7 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 NP7 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for NP7, 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