Tap water in SA19, CarmarthenshireSafe to drink.
Supplied by Dŵr Cymru Welsh Water. 326 samples, 23 substances, latest on 19 December 2024. Everything is inside the legal limit, and nothing comes close to it.
9.5 / 10
The tank is as full as the score.
What to do about it

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Households concerned about PFAS and heavy metals

Waterdrop 10UA Under Sink
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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 SA19 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.
Trihalomethanes came closest to a limit, at 42% of it. 19 of 20 substances used under a quarter of theirs.
- Trihalomethanes42%
- Colour23%
- Nitrite11%
- Iron11%
- Fluoride7%
- Turbidity7%
- Nitrate5%
- Mercury4%
- Nickel3%
- Copper3%
- Boron3%
- Aluminium3%
- Lead2%
- Manganese1%
- Arsenic1%
- Selenium<1%
- Antimony<1%
- Cadmium<1%
- Chromium<1%
- Bromate<1%
- Coliform Bacteria none found
- E. coli none found
- Conductivity 140 µS/cm
All 23 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 | – |
| Iron | 0.022 mg/L | 0.2 mg/L | 11% |
| Manganese | 0.00068 mg/L | 0.05 mg/L | 1% |
| Aluminium | 0.005 mg/L | 0.2 mg/L | 3% |
| Colour | 4.6 mg/L Pt/Co | 20 mg/L Pt/Co | 23% |
| Turbidity | 0.27 NTU | 4 NTU | 7% |
| Trihalomethanes | 0.042 mg/L | 0.1 mg/L | 42% |
| Bromate | 3.1e-7 mg/L | 0.01 mg/L | <1% |
| Nickel | 0.00059 mg/L | 0.02 mg/L | 3% |
| Antimony | 0.000028 mg/L | 0.005 mg/L | <1% |
| Lead | 0.00016 mg/L | 0.01 mg/L | 2% |
| Selenium | 0.00023 mg/L | 0.04 mg/L | <1% |
| Chromium | 0.000092 mg/L | 0.05 mg/L | <1% |
| Cadmium | 0.000025 mg/L | 0.005 mg/L | <1% |
| Copper | 0.058 mg/L | 2 mg/L | 3% |
| Fluoride | 0.11 mg/L | 1.5 mg/L | 7% |
| Arsenic | 0.00012 mg/L | 0.01 mg/L | 1% |
| Mercury | 0.000042 mg/L | 0.001 mg/L | 4% |
| Nitrate | 2.61 mg/L | 50 mg/L | 5% |
| Nitrite | 0.056 mg/L | 0.5 mg/L | 11% |
| Boron | 0.028 mg/L | 1 mg/L | 3% |
SA19 in short
Tap water in SA19 (Carmarthenshire) is supplied by Dŵr Cymru Welsh Water in the Carmarthenshire Central zone and scores 9.5 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.
- Trihalomethanes is the reading closest to its limit, at 42% of the 0.1 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
- 8th cleanest of 13 areas tested in CarmarthenshireSquarely mid-table for Carmarthenshire, between SA14 on 9.6 and SA34 on 9.3.
- Scores higher than 3 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 SA19 water
Is SA19 tap water safe to drink?
Based on the latest tests, SA19 (Carmarthenshire) water scores 9.5/10, which is safe. 0 of 23 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.
What contaminants are in SA19 water?
We tested 23 contaminants in SA19 water. None exceeded recommended safe levels.
Who supplies water in SA19?
SA19 (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 SA19?
SA19 water scored 9.5/10 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 SA19 water?
No PFAS (forever chemicals) result is attached to the tap-water tests for SA19, 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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