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tapwater
England and Wales average 9.0

Tap water in WS8, WalsallSafe to drink.

Supplied by Severn Trent. 6,335 samples, 21 substances, latest on 31 December 2024. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.1 / 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

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High-volume under-sink filtration without RO complexity

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Basic chlorine and taste improvement on a budget

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What's in a glass of WS8 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 65% of it. 18 of 19 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitCopper: 0.009 mg/L, <1% of the 2 mg/L limitCopper<1%Nitrite: 0.004 mg/L, <1% of the 0.5 mg/L limitNitrite<1%Chromium: 0.0005 mg/L, 1% of the 0.05 mg/L limitChromium1%Selenium: 0.0008 mg/L, 2% of the 0.04 mg/L limitSelenium2%Cadmium: 0.00012 mg/L, 2% of the 0.005 mg/L limitCadmium2%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Manganese: 0.0017 mg/L, 3% of the 0.05 mg/L limitManganese3%Aluminium: 0.0071 mg/L, 4% of the 0.2 mg/L limitAluminium4%Iron: 0.0073 mg/L, 4% of the 0.2 mg/L limitIron4%Nickel: 0.0013 mg/L, 7% of the 0.02 mg/L limitNickel7%Boron: 0.066 mg/L, 7% of the 1 mg/L limitBoron7%Bromate: 0.0008 mg/L, 8% of the 0.01 mg/L limitBromate8%Fluoride: 0.121 mg/L, 8% of the 1.5 mg/L limitFluoride8%Lead: 0.0009 mg/L, 9% of the 0.01 mg/L limitLead9%Arsenic: 0.001 mg/L, 10% of the 0.01 mg/L limitArsenic10%Antimony: 0.0005 mg/L, 10% of the 0.005 mg/L limitAntimony10%Colour: 3 mg/L Pt/Co, 15% of the 20 mg/L Pt/Co limitColour15%Nitrate: 12.2 mg/L, 24% of the 50 mg/L limitNitrate24%Trihalomethanes: 0.0653 mg/L, 65% of the 0.1 mg/L limitTrihalomethanes65%
  1. Trihalomethanes65%
  2. Nitrate24%
  3. Colour15%
  4. Arsenic10%
  5. Antimony10%
  6. Lead9%
  7. Fluoride8%
  8. Bromate8%
  9. Boron7%
  10. Nickel7%
  11. Iron4%
  12. Aluminium4%
  13. Manganese3%
  14. Turbidity3%
  15. Cadmium2%
  16. Selenium2%
  17. Chromium1%
  18. Nitrite<1%
  19. Copper<1%
  • Coliform Bacteria none found
  • Conductivity 433 µS/cm
All 21 results as a table
SubstanceResultLegal limitShare of limit
Colour3 mg/L Pt/Co20 mg/L Pt/Co
15%
Trihalomethanes0.0653 mg/L0.1 mg/L
65%
Turbidity0.12 NTU4 NTU
3%
Nitrate12.2 mg/L50 mg/L
24%
Nitrite0.004 mg/L0.5 mg/L
<1%
Aluminium0.0071 mg/L0.2 mg/L
4%
Iron0.0073 mg/L0.2 mg/L
4%
Manganese0.0017 mg/L0.05 mg/L
3%
Copper0.009 mg/L2 mg/L
<1%
Fluoride0.121 mg/L1.5 mg/L
8%
Arsenic0.001 mg/L0.01 mg/L
10%
Coliform Bacteria0 count/100mlMust be zeroNone found
Conductivity433 µS/cmNo legal limit–
Boron0.066 mg/L1 mg/L
7%
Bromate0.0008 mg/L0.01 mg/L
8%
Cadmium0.00012 mg/L0.005 mg/L
2%
Chromium0.0005 mg/L0.05 mg/L
1%
Nickel0.0013 mg/L0.02 mg/L
7%
Lead0.0009 mg/L0.01 mg/L
9%
Antimony0.0005 mg/L0.005 mg/L
10%
Selenium0.0008 mg/L0.04 mg/L
2%
Outside your tap

Your river is the Ford Brook from Source to River Tame, rated moderate

The Environment Agency rated the Ford Brook from Source to River Tame as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by insects and other small river life, ammonia and water plants and algae. It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants.

None of this is a test of your tap water. Environment Agency record · River health across England

Within 10 km

1

forever-chemical detections in nearby rivers and groundwater

At 1 site. The highest was PFecHS at 0.00058 µg/L, at Essington Fruit Farm Borehole, 9.3 km away, in May 2024. These are river and borehole samples, not tests of your tap water.

Every PFAS sample around Wolverhampton · Which filters remove PFAS · PFAS explained

WS8 in short

Tap water in WS8 (Walsall) is supplied by Severn Trent in the Walsall Central zone and scores 9.1 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 31 December 2024.

  • Trihalomethanes is the reading closest to its limit, at 65% of the 0.1 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • 3rd cleanest of 9 areas tested in WalsallOnly 2 areas in Walsall scored higher. The best is WS3 on 9.6.
  • PFAS found at 1 monitoring site within 10 kmThose are river and groundwater samples, not tap water. The highest was PFecHS about 9.3 km away. What was measured

Next door

WV128.8 out of 10WV139.0 out of 10WS29.2 out of 10WS18.7 out of 10WS99.0 out of 10WS39.6 out of 10WS48.9 out of 10WS59.0 out of 10

Questions about WS8 water

Is WS8 tap water safe to drink?

Based on the latest tests, WS8 (Walsall) water scores 9.1/10, which is safe. 0 of 21 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in WS8 water?

We tested 21 contaminants in WS8 water. None exceeded recommended safe levels. PFAS (forever chemicals) were also measured in rivers and groundwater within 10 km, though not in the tap-water tests themselves.

Who supplies water in WS8?

WS8 (Walsall) is supplied by Severn Trent. You can view their full profile and compliance data on our supplier page.

Should I use a water filter in WS8?

WS8 water scored 9.1/10 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 WS8 water?

The tap-water tests we hold for WS8 do not include a PFAS result. Environment Agency monitoring found PFAS in 1 river and groundwater samples from 1 sites within 10 km of WS8, the highest being PFecHS at 0.00058 µg/L about 9.3 km away. These are environmental samples, not tests of tap water. The UK currently has no legal limit for PFAS in drinking water; the Drinking Water Inspectorate uses a 0.1 µg/L guideline for individual compounds. Reverse osmosis filters can reduce PFAS levels.

How clean is the river near WS8?

The Environment Agency rated the Ford Brook from Source to River Tame as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by insects and other small river life, ammonia and water plants and algae. It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants. This is a rating of the river, not of tap water in WS8, which is treated before it reaches homes.

Keep reading

PFAS explainedHow to test your waterBest water filtersFilter shower headsWater testing kitsUK water rankingsWater hardness checkerWater hardness map

River and groundwater readings near WS8

Environment Agency samples from rivers, groundwater and reservoirs nearby. Not your tap water. For scale they are shown against drinking water limits; rivers are judged against much stricter environmental standards, and on those every river in England fails for chemicals.

SubstanceReadingDrinking water limit
Iron0.356 mg/L0.2 mg/L
pH7.48 pHNone
Temperature19.4 °CNone
Conductivity545 µS/cmNone
Nitrate3.2 mg/L50 mg/L
Nitrite0.029 mg/L0.5 mg/L
Dissolved Oxygen6.66 mg/LNone
Phosphate0.033 mg/LNone
Ammonia0.06 mg/L0.5 mg/L
Copper0.0036 mg/L2 mg/L
Zinc0.0269 mg/LNone
PFAS (total)0.018 µg/LNone

Get alerts for your area

We'll email you when water quality data changes for WS8.

Source: Severn Trent 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