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England and Wales average 9.0

Tap water in CF43, Rhondda Cynon TafSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 197 samples, 19 substances, latest on 19 December 2024. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.7 / 10

The tank is as full as the score.

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What's in a glass of CF43 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. 16 of 16 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%Selenium: 0.00023 mg/L, <1% of the 0.04 mg/L limitSelenium<1%Antimony: 0.000037 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Arsenic: 0.00011 mg/L, 1% of the 0.01 mg/L limitArsenic1%Manganese: 0.00079 mg/L, 2% of the 0.05 mg/L limitManganese2%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%Aluminium: 0.005 mg/L, 3% of the 0.2 mg/L limitAluminium3%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%Nitrate: 2.61 mg/L, 5% of the 50 mg/L limitNitrate5%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%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. Turbidity7%
  5. Nitrate5%
  6. Nickel3%
  7. Copper3%
  8. Aluminium3%
  9. Iron2%
  10. Lead2%
  11. Manganese2%
  12. Arsenic1%
  13. Antimony<1%
  14. Selenium<1%
  15. Cadmium<1%
  16. Chromium<1%
  • E. coli none found
  • Coliform Bacteria none found
  • Conductivity 210 µS/cm
All 19 results as a table
SubstanceResultLegal limitShare of limit
E. coli0 count/100mlMust be zeroNone found
Coliform Bacteria0 count/100mlMust be zeroNone found
Conductivity210 µS/cmNo legal limit–
Manganese0.00079 mg/L0.05 mg/L
2%
Iron0.004 mg/L0.2 mg/L
2%
Aluminium0.005 mg/L0.2 mg/L
3%
Turbidity0.27 NTU4 NTU
7%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Trihalomethanes0.011 mg/L0.1 mg/L
11%
Antimony0.000037 mg/L0.005 mg/L
<1%
Lead0.00016 mg/L0.01 mg/L
2%
Nickel0.00059 mg/L0.02 mg/L
3%
Selenium0.00023 mg/L0.04 mg/L
<1%
Nitrite0.056 mg/L0.5 mg/L
11%
Arsenic0.00011 mg/L0.01 mg/L
1%
Chromium0.000092 mg/L0.05 mg/L
<1%
Copper0.058 mg/L2 mg/L
3%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Nitrate2.61 mg/L50 mg/L
5%

CF43 in short

Tap water in CF43 (Rhondda Cynon Taf) is supplied by Dŵr Cymru Welsh Water in the Rhondda Cynon Taf Central zone and scores 9.7 out of 10, against an England and Wales average of 9.0. None of the 19 tested substances came close to a limit. The latest sample is from 19 December 2024.

  • The cleanest tap water of the 10 areas tested in Rhondda Cynon TafCF43 scores 9.7 out of 10, ahead of CF39 in second place on 9.6.
  • Scores higher than all 9 neighbouring districtsThe nearest rival is CF39 on 9.6, against 9.7 here. Compare with CF39
  • 0.7 points above the national average of 9Cleaner than the typical tested district in the UK. Compare every area

Next door

CF409.4 out of 10CF379.5 out of 10CF399.6 out of 10CF389.5 out of 10CF419.5 out of 10CF429.4 out of 10CF459.5 out of 10CF729.6 out of 10CF449.5 out of 10

Questions about CF43 water

Is CF43 tap water safe to drink?

Based on the latest tests, CF43 (Rhondda Cynon Taf) water scores 9.7/10, which is safe. 0 of 19 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in CF43 water?

We tested 19 contaminants in CF43 water. None exceeded recommended safe levels.

Who supplies water in CF43?

CF43 (Rhondda Cynon Taf) 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 CF43?

CF43 water scored 9.7/10 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 CF43 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for CF43, 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