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tapwater
England and Wales average 9.0

Tap water in LL34, ConwySafe to drink.

Supplied by Dŵr Cymru Welsh Water. 144 samples, 22 substances, latest on 11 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 LL34 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 26% of it. 18 of 19 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%Antimony: 0.000028 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Selenium: 0.00023 mg/L, <1% of the 0.04 mg/L limitSelenium<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%Lead: 0.00016 mg/L, 2% of the 0.01 mg/L limitLead2%Iron: 0.004 mg/L, 2% of the 0.2 mg/L limitIron2%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%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%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%Trihalomethanes: 0.026 mg/L, 26% of the 0.1 mg/L limitTrihalomethanes26%
  1. Trihalomethanes26%
  2. Colour23%
  3. Nitrite11%
  4. Fluoride7%
  5. Turbidity7%
  6. Nitrate5%
  7. Aluminium5%
  8. Mercury4%
  9. Nickel3%
  10. Copper3%
  11. Boron3%
  12. Iron2%
  13. Lead2%
  14. Manganese1%
  15. Arsenic1%
  16. Selenium<1%
  17. Antimony<1%
  18. Cadmium<1%
  19. Chromium<1%
  • Conductivity 92 µS/cm
  • E. coli none found
  • Coliform Bacteria none found
All 22 results as a table
SubstanceResultLegal limitShare of limit
Trihalomethanes0.026 mg/L0.1 mg/L
26%
Boron0.028 mg/L1 mg/L
3%
Conductivity92 µS/cmNo legal limit–
E. coli0 count/100mlMust be zeroNone found
Selenium0.00023 mg/L0.04 mg/L
<1%
Coliform Bacteria0 count/100mlMust be zeroNone found
Antimony0.000028 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%
Mercury0.000042 mg/L0.001 mg/L
4%
Chromium0.000092 mg/L0.05 mg/L
<1%
Arsenic0.00011 mg/L0.01 mg/L
1%
Fluoride0.11 mg/L1.5 mg/L
7%
Iron0.004 mg/L0.2 mg/L
2%
Manganese0.00068 mg/L0.05 mg/L
1%
Copper0.058 mg/L2 mg/L
3%
Aluminium0.01 mg/L0.2 mg/L
5%
Nitrite0.056 mg/L0.5 mg/L
11%
Turbidity0.27 NTU4 NTU
7%
Nitrate2.61 mg/L50 mg/L
5%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%

LL34 in short

Tap water in LL34 (Conwy) is supplied by Dŵr Cymru Welsh Water in the Conwy Central zone and scores 9.6 out of 10, against an England and Wales average of 9.0. None of the 22 tested substances came close to a limit. The latest sample is from 11 December 2024.

  • 5th cleanest of 12 areas tested in ConwySquarely mid-table for Conwy, between LL32 on 9.7 and LL31 on 9.1.
  • 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 Trihalomethanes at 26% of the 0.1 mg/L maximum. See every reading

Next door

LL229.6 out of 10LL249.2 out of 10LL339.6 out of 10LL279.2 out of 10LL289.5 out of 10LL319.1 out of 10LL299.5 out of 10LL329.7 out of 10LL269.6 out of 10LL309.1 out of 10

Questions about LL34 water

Is LL34 tap water safe to drink?

Based on the latest tests, LL34 (Conwy) water scores 9.6/10, which is safe. 0 of 22 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in LL34 water?

We tested 22 contaminants in LL34 water. None exceeded recommended safe levels.

Who supplies water in LL34?

LL34 (Conwy) 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 LL34?

LL34 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 LL34 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for LL34, 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