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tapwater
England and Wales average 9.0

Tap water in LL67, Isle of AngleseySafe to drink.

Supplied by Dŵr Cymru Welsh Water. 203 samples, 23 substances, latest on 12 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 LL67 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.

Trihalomethanes came closest to a limit, at 60% of it. 18 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: 0.000048 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Lead: 0.00016 mg/L, 2% of the 0.01 mg/L limitLead2%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%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Manganese: 0.0024 mg/L, 5% of the 0.05 mg/L limitManganese5%Aluminium: 0.01 mg/L, 5% of the 0.2 mg/L limitAluminium5%Nitrate: 2.61 mg/L, 5% of the 50 mg/L limitNitrate5%Arsenic: 0.00054 mg/L, 5% of the 0.01 mg/L limitArsenic5%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%Fluoride: 0.11 mg/L, 7% of the 1.5 mg/L limitFluoride7%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%Iron: 0.055 mg/L, 27% of the 0.2 mg/L limitIron27%Trihalomethanes: 0.06 mg/L, 60% of the 0.1 mg/L limitTrihalomethanes60%
  1. Trihalomethanes60%
  2. Iron27%
  3. Colour23%
  4. Nitrite11%
  5. Fluoride7%
  6. Turbidity7%
  7. Arsenic5%
  8. Nitrate5%
  9. Aluminium5%
  10. Manganese5%
  11. Mercury4%
  12. Chromium3%
  13. Nickel3%
  14. Copper3%
  15. Boron3%
  16. Lead2%
  17. Antimony<1%
  18. Selenium<1%
  19. Cadmium<1%
  20. Bromate<1%
  • E. coli none found
  • Coliform Bacteria none found
  • Conductivity 230 µS/cm
All 23 results as a table
SubstanceResultLegal limitShare of limit
Turbidity0.27 NTU4 NTU
7%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
E. coli0 count/100mlMust be zeroNone found
Coliform Bacteria0 count/100mlMust be zeroNone found
Conductivity230 µS/cmNo legal limit–
Aluminium0.01 mg/L0.2 mg/L
5%
Iron0.055 mg/L0.2 mg/L
27%
Manganese0.0024 mg/L0.05 mg/L
5%
Nickel0.00059 mg/L0.02 mg/L
3%
Copper0.058 mg/L2 mg/L
3%
Fluoride0.11 mg/L1.5 mg/L
7%
Mercury0.000042 mg/L0.001 mg/L
4%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Chromium0.0015 mg/L0.05 mg/L
3%
Arsenic0.00054 mg/L0.01 mg/L
5%
Nitrite0.056 mg/L0.5 mg/L
11%
Nitrate2.61 mg/L50 mg/L
5%
Trihalomethanes0.06 mg/L0.1 mg/L
60%
Bromate3.1e-7 mg/L0.01 mg/L
<1%
Boron0.028 mg/L1 mg/L
3%
Selenium0.00023 mg/L0.04 mg/L
<1%
Antimony0.000048 mg/L0.005 mg/L
<1%
Lead0.00016 mg/L0.01 mg/L
2%

LL67 in short

Tap water in LL67 (Isle of Anglesey) is supplied by Dŵr Cymru Welsh Water in the Isle of Anglesey 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 12 December 2024.

  • The lowest score of the 21 areas tested in Isle of AngleseyLL67 scores 9.3 out of 10. The best in Isle of Anglesey, LL58, scores 9.6.
  • Every one of the 10 neighbouring districts scores higherLL74 next door scores 9.6, against 9.3 here. Supply zones, not distance, explain the gap. See LL74
  • Trihalomethanes is the reading closest to its limit, at 60% of the 0.1 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading

Next door

LL749.6 out of 10LL589.6 out of 10LL619.6 out of 10LL769.4 out of 10LL649.6 out of 10LL709.4 out of 10LL789.4 out of 10LL729.6 out of 10LL659.4 out of 10LL689.4 out of 10

Questions about LL67 water

Is LL67 tap water safe to drink?

Based on the latest tests, LL67 (Isle of Anglesey) 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 LL67 water?

We tested 23 contaminants in LL67 water. None exceeded recommended safe levels.

Who supplies water in LL67?

LL67 (Isle of Anglesey) 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 LL67?

LL67 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 LL67 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for LL67, 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.

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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