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tapwater
England and Wales average 9.0

Tap water in SA16, CarmarthenshireSafe to drink.

Supplied by Dŵr Cymru Welsh Water. 341 samples, 20 substances, latest on 20 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.

What to do about it

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What's in a glass of SA16 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. 17 of 17 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%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: 0.000035 mg/L, <1% of the 0.005 mg/L limitAntimony<1%Arsenic: 0.00013 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%Aluminium: 0.0056 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%Chromium: 0.0015 mg/L, 3% of the 0.05 mg/L limitChromium3%Nitrate: 2.74 mg/L, 5% of the 50 mg/L limitNitrate5%Turbidity: 0.27 NTU, 7% of the 4 NTU limitTurbidity7%Nitrite: 0.059 mg/L, 12% of the 0.5 mg/L limitNitrite12%Trihalomethanes: 0.019 mg/L, 19% of the 0.1 mg/L limitTrihalomethanes19%Colour: 4.6 mg/L Pt/Co, 23% of the 20 mg/L Pt/Co limitColour23%
  1. Colour23%
  2. Trihalomethanes19%
  3. Nitrite12%
  4. Turbidity7%
  5. Nitrate5%
  6. Chromium3%
  7. Nickel3%
  8. Copper3%
  9. Aluminium3%
  10. Iron2%
  11. Lead2%
  12. Manganese1%
  13. Arsenic1%
  14. Antimony<1%
  15. Selenium<1%
  16. Cadmium<1%
  17. Bromate<1%
  • E. coli none found
  • Coliform Bacteria none found
  • Conductivity 120 µS/cm
All 20 results as a table
SubstanceResultLegal limitShare of limit
E. coli0 count/100mlMust be zeroNone found
Coliform Bacteria0 count/100mlMust be zeroNone found
Manganese0.00068 mg/L0.05 mg/L
1%
Aluminium0.0056 mg/L0.2 mg/L
3%
Iron0.004 mg/L0.2 mg/L
2%
Bromate3.1e-7 mg/L0.01 mg/L
<1%
Colour4.6 mg/L Pt/Co20 mg/L Pt/Co
23%
Trihalomethanes0.019 mg/L0.1 mg/L
19%
Conductivity120 µS/cmNo legal limit–
Turbidity0.27 NTU4 NTU
7%
Copper0.058 mg/L2 mg/L
3%
Nitrite0.059 mg/L0.5 mg/L
12%
Chromium0.0015 mg/L0.05 mg/L
3%
Selenium0.00023 mg/L0.04 mg/L
<1%
Antimony0.000035 mg/L0.005 mg/L
<1%
Nitrate2.74 mg/L50 mg/L
5%
Lead0.00016 mg/L0.01 mg/L
2%
Cadmium0.000025 mg/L0.005 mg/L
<1%
Nickel0.00059 mg/L0.02 mg/L
3%
Arsenic0.00013 mg/L0.01 mg/L
1%

SA16 in short

Tap water in SA16 (Carmarthenshire) is supplied by Dŵr Cymru Welsh Water in the Carmarthenshire Central zone and scores 9.6 out of 10, against an England and Wales average of 9.0. None of the 20 tested substances came close to a limit. The latest sample is from 20 December 2024.

  • 3rd cleanest of 13 areas tested in CarmarthenshireOnly 2 areas in Carmarthenshire scored higher. The best is SA14 on 9.6.
  • 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

SA329.6 out of 10SA339.3 out of 10SA349.3 out of 10SA389.4 out of 10SA179.6 out of 10SA189.6 out of 10SA199.5 out of 10SA209.5 out of 10SA149.6 out of 10SA159.6 out of 10

Questions about SA16 water

Is SA16 tap water safe to drink?

Based on the latest tests, SA16 (Carmarthenshire) water scores 9.6/10, which is safe. 0 of 20 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.

What contaminants are in SA16 water?

We tested 20 contaminants in SA16 water. None exceeded recommended safe levels.

Who supplies water in SA16?

SA16 (Carmarthenshire) 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 SA16?

SA16 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 SA16 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for SA16, 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