Tap water in SA14, CarmarthenshireSafe to drink.
Supplied by Dŵr Cymru Welsh Water. 1,176 samples, 22 substances, latest on 20 December 2024. Everything is inside the legal limit, and nothing comes close to it.
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 SA14 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. 19 of 19 substances used under a quarter of theirs.
- Colour23%
- Trihalomethanes19%
- Iron14%
- Nitrite12%
- Fluoride7%
- Turbidity7%
- Nitrate5%
- Mercury4%
- Chromium3%
- Nickel3%
- Copper3%
- Aluminium3%
- Lead2%
- Manganese1%
- Arsenic1%
- Antimony<1%
- Selenium<1%
- Cadmium<1%
- Bromate<1%
- Coliform Bacteria none found
- E. coli none found
- Conductivity 140 µS/cm
All 22 results as a table
| Substance | Result | Legal limit | Share of limit |
|---|---|---|---|
| Coliform Bacteria | 0 count/100ml | Must be zero | None found |
| E. coli | 0 count/100ml | Must be zero | None found |
| Conductivity | 140 µS/cm | No legal limit | – |
| Aluminium | 0.005 mg/L | 0.2 mg/L | 3% |
| Iron | 0.028 mg/L | 0.2 mg/L | 14% |
| Manganese | 0.00068 mg/L | 0.05 mg/L | 1% |
| Turbidity | 0.27 NTU | 4 NTU | 7% |
| Colour | 4.6 mg/L Pt/Co | 20 mg/L Pt/Co | 23% |
| Bromate | 3.1e-7 mg/L | 0.01 mg/L | <1% |
| Trihalomethanes | 0.019 mg/L | 0.1 mg/L | 19% |
| Cadmium | 0.000025 mg/L | 0.005 mg/L | <1% |
| Arsenic | 0.00013 mg/L | 0.01 mg/L | 1% |
| Nitrite | 0.059 mg/L | 0.5 mg/L | 12% |
| Fluoride | 0.11 mg/L | 1.5 mg/L | 7% |
| Copper | 0.058 mg/L | 2 mg/L | 3% |
| Nitrate | 2.74 mg/L | 50 mg/L | 5% |
| Antimony | 0.000035 mg/L | 0.005 mg/L | <1% |
| Chromium | 0.0015 mg/L | 0.05 mg/L | 3% |
| Lead | 0.00016 mg/L | 0.01 mg/L | 2% |
| Nickel | 0.00059 mg/L | 0.02 mg/L | 3% |
| Selenium | 0.00023 mg/L | 0.04 mg/L | <1% |
| Mercury | 0.000042 mg/L | 0.001 mg/L | 4% |
SA14 in short
Tap water in SA14 (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 22 tested substances came close to a limit. The latest sample is from 20 December 2024.
- The cleanest tap water of the 13 areas tested in CarmarthenshireSA14 scores 9.6 out of 10, ahead of SA15 in second place 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
Questions about SA14 water
Is SA14 tap water safe to drink?
Based on the latest tests, SA14 (Carmarthenshire) water scores 9.6/10, which is safe. 0 of 22 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.
What contaminants are in SA14 water?
We tested 22 contaminants in SA14 water. None exceeded recommended safe levels.
Who supplies water in SA14?
SA14 (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 SA14?
SA14 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 SA14 water?
No PFAS (forever chemicals) result is attached to the tap-water tests for SA14, 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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