Tap water in SA34, CarmarthenshireSafe to drink.
Supplied by Dŵr Cymru Welsh Water. 373 samples, 21 substances, latest on 27 December 2024. Everything is inside the legal limit, and nothing comes close to it.
9.3 / 10
The tank is as full as the score.
What to do about it

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High-volume under-sink filtration without RO complexity

BRITA Marella XL + MAXTRA PRO
£25typical price
Basic chlorine and taste improvement on a budget
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What's in a glass of SA34 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. 16 of 18 substances used under a quarter of theirs.
- Nitrite44%
- Trihalomethanes34%
- Colour23%
- Nitrate22%
- Turbidity7%
- Mercury4%
- Chromium3%
- Nickel3%
- Copper3%
- Aluminium3%
- Iron2%
- Lead2%
- Manganese1%
- Arsenic1%
- Antimony<1%
- Selenium<1%
- Cadmium<1%
- Bromate<1%
- Conductivity 200 µS/cm
- E. coli none found
- Coliform Bacteria none found
All 21 results as a table
| Substance | Result | Legal limit | Share of limit |
|---|---|---|---|
| Conductivity | 200 µS/cm | No legal limit | – |
| E. coli | 0 count/100ml | Must be zero | None found |
| Coliform Bacteria | 0 count/100ml | Must be zero | None found |
| Manganese | 0.00068 mg/L | 0.05 mg/L | 1% |
| Iron | 0.004 mg/L | 0.2 mg/L | 2% |
| Aluminium | 0.005 mg/L | 0.2 mg/L | 3% |
| 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 | 0.034 mg/L | 0.1 mg/L | 34% |
| Selenium | 0.00023 mg/L | 0.04 mg/L | <1% |
| Lead | 0.00016 mg/L | 0.01 mg/L | 2% |
| Antimony | 0.000037 mg/L | 0.005 mg/L | <1% |
| Cadmium | 0.000025 mg/L | 0.005 mg/L | <1% |
| Nickel | 0.00059 mg/L | 0.02 mg/L | 3% |
| Chromium | 0.0015 mg/L | 0.05 mg/L | 3% |
| Arsenic | 0.00011 mg/L | 0.01 mg/L | 1% |
| Copper | 0.058 mg/L | 2 mg/L | 3% |
| Nitrite | 0.22 mg/L | 0.5 mg/L | 44% |
| Nitrate | 10.9 mg/L | 50 mg/L | 22% |
| Mercury | 0.000042 mg/L | 0.001 mg/L | 4% |
SA34 in short
Tap water in SA34 (Carmarthenshire) is supplied by Dŵr Cymru Welsh Water in the Carmarthenshire Central zone and scores 9.3 out of 10, against an England and Wales average of 9.0. None of the 21 tested substances came close to a limit. The latest sample is from 27 December 2024.
- The lowest score of the 13 areas tested in CarmarthenshireSA34 scores 9.3 out of 10. The best in Carmarthenshire, SA14, 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
- Scores higher than 0 of 10 neighbouring districtsWater here is typical for the immediate area, which usually means the same treatment works and the same supply zone.
Questions about SA34 water
Is SA34 tap water safe to drink?
Based on the latest tests, SA34 (Carmarthenshire) water scores 9.3/10, which is safe. 0 of 21 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.
What contaminants are in SA34 water?
We tested 21 contaminants in SA34 water. None exceeded recommended safe levels.
Who supplies water in SA34?
SA34 (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 SA34?
SA34 water scored 9.3/10 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 SA34 water?
No PFAS (forever chemicals) result is attached to the tap-water tests for SA34, 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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