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tapwater
England and Wales average 9.0

Tap water in SY24, CeredigionSafe to drink.Soft.

Supplied by Dŵr Cymru Welsh Water. 741 samples, 23 substances, latest on 27 December 2024. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.4 / 10

The tank is as full as the score. The specks are the minerals that make water hard.

What to do about it

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Basic chlorine and taste improvement on a budget

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What's in a glass of SY24 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.

Nitrite came closest to a limit, at 44% of it. 19 of 20 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitCadmium: 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%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%Bromate: 0.00017 mg/L, 2% of the 0.01 mg/L limitBromate2%Iron: 0.004 mg/L, 2% of the 0.2 mg/L limitIron2%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%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%Arsenic: 0.00046 mg/L, 5% of the 0.01 mg/L limitArsenic5%Trihalomethanes: 0.0064 mg/L, 6% of the 0.1 mg/L limitTrihalomethanes6%Fluoride: 0.11 mg/L, 7% of the 1.5 mg/L limitFluoride7%Turbidity: 0.4 NTU, 10% of the 4 NTU limitTurbidity10%Nitrate: 10.6 mg/L, 21% of the 50 mg/L limitNitrate21%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%Nitrite: 0.22 mg/L, 44% of the 0.5 mg/L limitNitrite44%
  1. Nitrite44%
  2. Colour23%
  3. Nitrate21%
  4. Turbidity10%
  5. Fluoride7%
  6. Trihalomethanes6%
  7. Arsenic5%
  8. Mercury4%
  9. Chromium3%
  10. Nickel3%
  11. Copper3%
  12. Boron3%
  13. Aluminium3%
  14. Iron2%
  15. Bromate2%
  16. Lead2%
  17. Manganese1%
  18. Selenium<1%
  19. Antimony<1%
  20. Cadmium<1%
  • Conductivity 250 µS/cm
  • E. coli none found
  • Coliform Bacteria none found
All 23 results as a table
SubstanceResultLegal limitShare of limit
Trihalomethanes0.0064 mg/L0.1 mg/L
6%
Conductivity250 µS/cmNo legal limit–
Boron0.028 mg/L1 mg/L
3%
E. coli0 count/100mlMust be zeroNone found
Bromate0.00017 mg/L0.01 mg/L
2%
Coliform Bacteria0 count/100mlMust be zeroNone found
Selenium0.00023 mg/L0.04 mg/L
<1%
Mercury0.000042 mg/L0.001 mg/L
4%
Nickel0.00059 mg/L0.02 mg/L
3%
Antimony0.000028 mg/L0.005 mg/L
<1%
Chromium0.0015 mg/L0.05 mg/L
3%
Lead0.00016 mg/L0.01 mg/L
2%
Copper0.058 mg/L2 mg/L
3%
Fluoride0.11 mg/L1.5 mg/L
7%
Manganese0.00068 mg/L0.05 mg/L
1%
Iron0.004 mg/L0.2 mg/L
2%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Arsenic0.00046 mg/L0.01 mg/L
5%
Nitrite0.22 mg/L0.5 mg/L
44%
Nitrate10.6 mg/L50 mg/L
21%
Aluminium0.005 mg/L0.2 mg/L
3%
Turbidity0.4 NTU4 NTU
10%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%

16mg of limescale minerals in every litre, typical for the SY area. SY24 has no reading of its own.

Soft water. Kind to kettles, boilers and skin

You will not need a softener here, and you will use less soap and detergent than most of England.

Soft400 mg/L

SY24 in short

Tap water in SY24 (Ceredigion) is supplied by Dŵr Cymru Welsh Water in the Ceredigion Central zone and scores 9.4 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 27 December 2024.

  • The lowest score of the 10 areas tested in CeredigionSY24 scores 9.4 out of 10. The best in Ceredigion, SA43, scores 9.6.
  • Nitrite is the reading closest to its limit, at 44% of the 0.5 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • Soft water at 16 mg/LLimescale is not a problem across the SY postcode area, so skip softeners and scale filters entirely. How hardness is measured

Next door

SA409.5 out of 10SA439.6 out of 10SA469.5 out of 10SA449.4 out of 10SA479.5 out of 10SA459.5 out of 10SA489.6 out of 10SY239.6 out of 10 · 16 mg/LSY259.5 out of 10 · 16 mg/L

Questions about SY24 water

Is SY24 tap water safe to drink?

Based on the latest tests, SY24 (Ceredigion) water scores 9.4/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in SY24 water?

We tested 23 contaminants in SY24 water. None exceeded recommended safe levels.

Who supplies water in SY24?

SY24 (Ceredigion) is supplied by Dŵr Cymru Welsh Water. You can view their full profile and compliance data on our supplier page.

Is SY24 water hard or soft?

No hardness reading has been published for SY24 itself. Across the SY postcode area the typical value is 16 mg/L CaCO3, which is classified as soft. Soft water is gentle on appliances and skin.

Should I use a water filter in SY24?

SY24 water scored 9.4/10 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 SY24 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for SY24, 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

How to test your waterBest water filtersFilter shower headsWater testing kitsUK water rankingsWater hardness checkerWater hardness map

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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