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tapwater
England and Wales average 9.0

Tap water in SA42, PembrokeshireSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 308 samples, 23 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

9.6 / 10

The tank is as full as the score.

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What's in a glass of SA42 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. 20 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%Chromium: 0.00014 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%Lead: 0.00016 mg/L, 2% of the 0.01 mg/L limitLead2%Arsenic: 0.00016 mg/L, 2% of the 0.01 mg/L limitArsenic2%Iron: 0.0054 mg/L, 3% of the 0.2 mg/L limitIron3%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: 0.0017 mg/L, 3% of the 0.05 mg/L limitManganese3%Mercury: 0.000042 mg/L, 4% of the 0.001 mg/L limitMercury4%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%Aluminium: 0.016 mg/L, 8% of the 0.2 mg/L limitAluminium8%Trihalomethanes: 0.01 mg/L, 10% of the 0.1 mg/L limitTrihalomethanes10%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. Trihalomethanes10%
  4. Aluminium8%
  5. Fluoride7%
  6. Turbidity7%
  7. Nitrate5%
  8. Mercury4%
  9. Manganese3%
  10. Nickel3%
  11. Copper3%
  12. Boron3%
  13. Iron3%
  14. Lead2%
  15. Arsenic2%
  16. Selenium<1%
  17. Antimony<1%
  18. Cadmium<1%
  19. Chromium<1%
  20. Bromate<1%
  • Conductivity 110 µS/cm
  • Coliform Bacteria none found
  • E. coli none found
All 23 results as a table
SubstanceResultLegal limitShare of limit
Conductivity110 µS/cmNo legal limit–
Manganese0.0017 mg/L0.05 mg/L
3%
Coliform Bacteria0 count/100mlMust be zeroNone found
Aluminium0.016 mg/L0.2 mg/L
8%
Iron0.0054 mg/L0.2 mg/L
3%
E. coli0 count/100mlMust be zeroNone found
Turbidity0.27 NTU4 NTU
7%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Bromate3.1e-7 mg/L0.01 mg/L
<1%
Trihalomethanes0.01 mg/L0.1 mg/L
10%
Boron0.028 mg/L1 mg/L
3%
Nickel0.00059 mg/L0.02 mg/L
3%
Mercury0.000042 mg/L0.001 mg/L
4%
Chromium0.00014 mg/L0.05 mg/L
<1%
Selenium0.00023 mg/L0.04 mg/L
<1%
Lead0.00016 mg/L0.01 mg/L
2%
Antimony0.000028 mg/L0.005 mg/L
<1%
Copper0.058 mg/L2 mg/L
3%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Fluoride0.11 mg/L1.5 mg/L
7%
Arsenic0.00016 mg/L0.01 mg/L
2%
Nitrate2.61 mg/L50 mg/L
5%
Nitrite0.056 mg/L0.5 mg/L
11%

SA42 in short

Tap water in SA42 (Pembrokeshire) is supplied by Dŵr Cymru Welsh Water in the Pembrokeshire Central zone and scores 9.6 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 19 December 2024.

  • 6th cleanest of 18 areas tested in PembrokeshireOnly 5 areas in Pembrokeshire scored higher. The best is SA36 on 10.
  • 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 Colour at 23% of the 20 mg/L Pt/Co maximum. See every reading

Next door

SA3610.0 out of 10SA359.6 out of 10SA619.4 out of 10SA679.3 out of 10SA709.1 out of 10SA649.7 out of 10SA629.5 out of 10SA659.7 out of 10SA719.4 out of 10SA739.4 out of 10

Questions about SA42 water

Is SA42 tap water safe to drink?

Based on the latest tests, SA42 (Pembrokeshire) water scores 9.6/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in SA42 water?

We tested 23 contaminants in SA42 water. None exceeded recommended safe levels.

Who supplies water in SA42?

SA42 (Pembrokeshire) 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 SA42?

SA42 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 SA42 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for SA42, 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