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tapwater
England and Wales average 9.0

Tap water in WV12, WalsallSafe to drink.

Supplied by Severn Trent. 510 samples, 22 substances, latest on 17 December 2025. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

8.8 / 10

The tank is as full as the score.

What to do about it

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What's in a glass of WV12 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.

Nitrate came closest to a limit, at 61% of it. 16 of 19 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitCadmium: 0.00002 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Nitrite: 0.003 mg/L, <1% of the 0.5 mg/L limitNitrite<1%Chromium: 0.00042 mg/L, <1% of the 0.05 mg/L limitChromium<1%Copper: 0.0246 mg/L, 1% of the 2 mg/L limitCopper1%Lead: 0.00014 mg/L, 1% of the 0.01 mg/L limitLead1%Selenium: 0.00073 mg/L, 2% of the 0.04 mg/L limitSelenium2%Mercury: 0.000022 mg/L, 2% of the 0.001 mg/L limitMercury2%Antimony: 0.000115 mg/L, 2% of the 0.005 mg/L limitAntimony2%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Manganese: 0.00172 mg/L, 3% of the 0.05 mg/L limitManganese3%Iron: 0.007 mg/L, 3% of the 0.2 mg/L limitIron3%Colour: 0.8 mg/L Pt/Co, 4% of the 20 mg/L Pt/Co limitColour4%Boron: 0.044 mg/L, 4% of the 1 mg/L limitBoron4%Nickel: 0.001 mg/L, 5% of the 0.02 mg/L limitNickel5%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Trihalomethanes: 0.0214 mg/L, 21% of the 0.1 mg/L limitTrihalomethanes21%Arsenic: 0.00293 mg/L, 29% of the 0.01 mg/L limitArsenic29%Fluoride: 0.66 mg/L, 44% of the 1.5 mg/L limitFluoride44%Nitrate: 30.4 mg/L, 61% of the 50 mg/L limitNitrate61%
  1. Nitrate61%
  2. Fluoride44%
  3. Arsenic29%
  4. Trihalomethanes21%
  5. Aluminium11%
  6. Nickel5%
  7. Boron4%
  8. Colour4%
  9. Iron3%
  10. Manganese3%
  11. Turbidity3%
  12. Antimony2%
  13. Mercury2%
  14. Selenium2%
  15. Lead1%
  16. Copper1%
  17. Chromium<1%
  18. Nitrite<1%
  19. Cadmium<1%
  • pH 7.39 pH
  • Conductivity 560 µS/cm
  • Phosphate 0.812 mg/L
All 22 results as a table
SubstanceResultLegal limitShare of limit
Colour0.8 mg/L Pt/Co20 mg/L Pt/Co
4%
pH7.39 pHNo legal limit–
Turbidity0.12 NTU4 NTU
3%
Conductivity560 µS/cmNo legal limit–
Aluminium0.021 mg/L0.2 mg/L
11%
Iron0.007 mg/L0.2 mg/L
3%
Manganese0.00172 mg/L0.05 mg/L
3%
Nitrate30.4 mg/L50 mg/L
61%
Nitrite0.003 mg/L0.5 mg/L
<1%
Copper0.0246 mg/L2 mg/L
1%
Fluoride0.66 mg/L1.5 mg/L
44%
Arsenic0.00293 mg/L0.01 mg/L
29%
Cadmium0.00002 mg/L0.005 mg/L
<1%
Chromium0.00042 mg/L0.05 mg/L
<1%
Nickel0.001 mg/L0.02 mg/L
5%
Lead0.00014 mg/L0.01 mg/L
1%
Antimony0.000115 mg/L0.005 mg/L
2%
Selenium0.00073 mg/L0.04 mg/L
2%
Trihalomethanes0.0214 mg/L0.1 mg/L
21%
Mercury0.000022 mg/L0.001 mg/L
2%
Boron0.044 mg/L1 mg/L
4%
Phosphate0.812 mg/LNo legal limit–
Outside your tap

Your river is the Tame (W/ton Arm) source to conf Oldbury, rated moderate

The Environment Agency rated the Tame (W/ton Arm) source to conf Oldbury 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, organic pollution (bod) and phosphate. 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

5

forever-chemical detections in nearby rivers and groundwater

At 3 sites. The highest was PFBA at 0.0033 µg/L, at Monmore Green Stadium Borehole, 5.2 km away, in March 2023. These are river and borehole samples, not tests of your tap water.

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

WV12 in short

Tap water in WV12 (Walsall) is supplied by Severn Trent in the Walsall Central zone and scores 8.8 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 17 December 2025.

  • 8th cleanest of 9 areas tested in Walsall1 area in Walsall scored lower. The best is WS3 on 9.6.
  • Nitrate is the reading closest to its limit, at 61% of the 50 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • PFAS found at 3 monitoring sites within 10 kmThose are river and groundwater samples, not tap water. The highest was PFBA about 5.2 km away. What was measured

Next door

WV139.0 out of 10WS29.2 out of 10WS18.7 out of 10WS39.6 out of 10WS89.1 out of 10WS48.9 out of 10WS59.0 out of 10WS99.0 out of 10WV149.0 out of 10

Questions about WV12 water

Is WV12 tap water safe to drink?

Based on the latest tests, WV12 (Walsall) water scores 8.8/10, which is safe. 0 of 22 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in WV12 water?

We tested 22 contaminants in WV12 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 WV12?

WV12 (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 WV12?

WV12 water scored 8.8/10 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 WV12 water?

The tap-water tests we hold for WV12 do not include a PFAS result. Environment Agency monitoring found PFAS in 5 river and groundwater samples from 3 sites within 10 km of WV12, the highest being PFBA at 0.0033 µg/L about 5.2 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 WV12?

The Environment Agency rated the Tame (W/ton Arm) source to conf Oldbury 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, organic pollution (bod) and phosphate. 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 WV12, 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 WV12

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
Manganese0.053 mg/L0.05 mg/L
Iron0.19 mg/L0.2 mg/L
Boron0.77 mg/L1 mg/L
Ammonia0.602 mg/L0.5 mg/L
Lead0.00012 mg/L0.01 mg/L
pH7.64 pHNone
Cadmium0.000033 mg/L0.005 mg/L
Hardness (as CaCO3)394 mg/LNone
Zinc0.034 mg/LNone
Copper0.00018 mg/L2 mg/L
Temperature10.1 °CNone
Conductivity1198 µS/cmNone
Nitrate1.56 mg/L50 mg/L
Nitrite0.0582 mg/L0.5 mg/L

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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