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tapwater
England and Wales average 9.0

Tap water in LL29, ConwySafe to drink.

Supplied by Dŵr Cymru Welsh Water. 446 samples, 22 substances, latest on 12 December 2024. Everything is inside the legal limit, and nothing comes close to it.

9.5 / 10

The tank is as full as the score.

What to do about it

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High-volume under-sink filtration without RO complexity

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What's in a glass of LL29 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 36% of it. 18 of 19 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitChromium: 0.000095 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%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%Manganese: 0.0015 mg/L, 3% of the 0.05 mg/L limitManganese3%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Aluminium: 0.0099 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%Iron: 0.022 mg/L, 11% of the 0.2 mg/L limitIron11%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: 0.036 mg/L, 36% of the 0.1 mg/L limitTrihalomethanes36%
  1. Trihalomethanes36%
  2. Colour23%
  3. Nitrite11%
  4. Iron11%
  5. Fluoride7%
  6. Turbidity7%
  7. Nitrate5%
  8. Aluminium5%
  9. Mercury4%
  10. Manganese3%
  11. Nickel3%
  12. Copper3%
  13. Boron3%
  14. Lead2%
  15. Arsenic1%
  16. Selenium<1%
  17. Antimony<1%
  18. Cadmium<1%
  19. Chromium<1%
  • Coliform Bacteria none found
  • E. coli none found
  • Conductivity 96 µS/cm
All 22 results as a table
SubstanceResultLegal limitShare of limit
Coliform Bacteria0 count/100mlMust be zeroNone found
E. coli0 count/100mlMust be zeroNone found
Conductivity96 µS/cmNo legal limit–
Iron0.022 mg/L0.2 mg/L
11%
Manganese0.0015 mg/L0.05 mg/L
3%
Turbidity0.27 NTU4 NTU
7%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Aluminium0.0099 mg/L0.2 mg/L
5%
Boron0.028 mg/L1 mg/L
3%
Trihalomethanes0.036 mg/L0.1 mg/L
36%
Nickel0.00059 mg/L0.02 mg/L
3%
Selenium0.00023 mg/L0.04 mg/L
<1%
Chromium0.000095 mg/L0.05 mg/L
<1%
Mercury0.000042 mg/L0.001 mg/L
4%
Lead0.00016 mg/L0.01 mg/L
2%
Antimony0.000028 mg/L0.005 mg/L
<1%
Arsenic0.00011 mg/L0.01 mg/L
1%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Fluoride0.11 mg/L1.5 mg/L
7%
Copper0.058 mg/L2 mg/L
3%
Nitrite0.056 mg/L0.5 mg/L
11%
Nitrate2.61 mg/L50 mg/L
5%

LL29 in short

Tap water in LL29 (Conwy) is supplied by Dŵr Cymru Welsh Water in the Conwy Central zone and scores 9.5 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 12 December 2024.

  • 7th cleanest of 12 areas tested in ConwySquarely mid-table for Conwy, between LL32 on 9.7 and LL31 on 9.1.
  • Nothing tested came within 40% of its legal limitThe highest was Trihalomethanes at 36% of the 0.1 mg/L maximum. See every reading
  • Scores higher than 5 of 10 neighbouring districtsWater here is typical for the immediate area, which usually means the same treatment works and the same supply zone.

Questions about LL29 water

Is LL29 tap water safe to drink?

Based on the latest tests, LL29 (Conwy) water scores 9.5/10, which is safe. 0 of 22 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in LL29 water?

We tested 22 contaminants in LL29 water. None exceeded recommended safe levels.

Who supplies water in LL29?

LL29 (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 LL29?

LL29 water scored 9.5/10 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 LL29 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for LL29, 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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We'll email you when water quality data changes for LL29.

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