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tapwater
England and Wales average 9.0

Tap water in WV9, South StaffordshireSafe to drink.

Supplied by Severn Trent. 280 samples, 20 substances, latest on 16 December 2025. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

8.6 / 10

The tank is as full as the score.

What to do about it

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What's in a glass of WV9 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 74% of it. 14 of 17 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%Copper: 0.015 mg/L, <1% of the 2 mg/L limitCopper<1%Chromium: 0.00042 mg/L, <1% of the 0.05 mg/L limitChromium<1%Antimony: 0.0001 mg/L, 2% of the 0.005 mg/L limitAntimony2%Selenium: 0.00093 mg/L, 2% of the 0.04 mg/L limitSelenium2%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%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%Lead: 0.00041 mg/L, 4% of the 0.01 mg/L limitLead4%Nickel: 0.001 mg/L, 5% of the 0.02 mg/L limitNickel5%Manganese: 0.00253 mg/L, 5% of the 0.05 mg/L limitManganese5%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Trihalomethanes: 0.0129 mg/L, 13% of the 0.1 mg/L limitTrihalomethanes13%Arsenic: 0.00371 mg/L, 37% of the 0.01 mg/L limitArsenic37%Fluoride: 0.68 mg/L, 45% of the 1.5 mg/L limitFluoride45%Nitrate: 37.1 mg/L, 74% of the 50 mg/L limitNitrate74%
  1. Nitrate74%
  2. Fluoride45%
  3. Arsenic37%
  4. Trihalomethanes13%
  5. Aluminium11%
  6. Manganese5%
  7. Nickel5%
  8. Lead4%
  9. Colour4%
  10. Iron3%
  11. Turbidity3%
  12. Selenium2%
  13. Antimony2%
  14. Chromium<1%
  15. Copper<1%
  16. Nitrite<1%
  17. Cadmium<1%
  • pH 7.39 pH
  • Conductivity 570 µS/cm
  • Phosphate 0.743 mg/L
All 20 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%
Conductivity570 µS/cmNo legal limit–
Aluminium0.021 mg/L0.2 mg/L
11%
Manganese0.00253 mg/L0.05 mg/L
5%
Iron0.007 mg/L0.2 mg/L
3%
Copper0.015 mg/L2 mg/L
<1%
Fluoride0.68 mg/L1.5 mg/L
45%
Arsenic0.00371 mg/L0.01 mg/L
37%
Cadmium0.00002 mg/L0.005 mg/L
<1%
Chromium0.00042 mg/L0.05 mg/L
<1%
Nickel0.001 mg/L0.02 mg/L
5%
Nitrate37.1 mg/L50 mg/L
74%
Nitrite0.003 mg/L0.5 mg/L
<1%
Lead0.00041 mg/L0.01 mg/L
4%
Antimony0.0001 mg/L0.005 mg/L
2%
Selenium0.00093 mg/L0.04 mg/L
2%
Trihalomethanes0.0129 mg/L0.1 mg/L
13%
Phosphate0.743 mg/LNo legal limit–
Outside your tap

Your river is the Penk from Source toSaredon Brook, rated poor

The Environment Agency rated the Penk from Source toSaredon Brook as poor for ecological health in its 2025 assessment, meaning the river is badly affected, with much of the expected wildlife missing. It is held back by fish, water plants and algae 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

4

forever-chemical detections in nearby rivers and groundwater

At 2 sites. The highest was PFBA at 0.0033 µg/L, at Monmore Green Stadium Borehole, 7.4 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

WV9 in short

Tap water in WV9 (South Staffordshire) is supplied by Severn Trent in the South Staffordshire Central zone and scores 8.6 out of 10, against an England and Wales average of 9.0. None of the 20 tested substances came close to a limit. The latest sample is from 16 December 2025.

  • Nitrate is the reading closest to its limit, at 74% of the 50 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • 5th cleanest of 6 areas tested in Wolverhampton1 area in Wolverhampton scored lower. The best is WS6 on 9.6. Every area in Wolverhampton
  • PFAS found at 2 monitoring sites within 10 kmThose are river and groundwater samples, not tap water. The highest was PFBA about 7.4 km away. What was measured

Next door

WV88.5 out of 10DY78.6 out of 10WS69.6 out of 10ST198.6 out of 10WV58.6 out of 10WV68.6 out of 10WV108.7 out of 10

Questions about WV9 water

Is WV9 tap water safe to drink?

Based on the latest tests, WV9 (South Staffordshire) water scores 8.6/10, which is safe. 0 of 20 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in WV9 water?

We tested 20 contaminants in WV9 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 WV9?

WV9 (South Staffordshire) 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 WV9?

WV9 water scored 8.6/10 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 WV9 water?

The tap-water tests we hold for WV9 do not include a PFAS result. Environment Agency monitoring found PFAS in 4 river and groundwater samples from 2 sites within 10 km of WV9, the highest being PFBA at 0.0033 µg/L about 7.4 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 WV9?

The Environment Agency rated the Penk from Source toSaredon Brook as poor for ecological health in its 2025 assessment, meaning the river is badly affected, with much of the expected wildlife missing. It is held back by fish, water plants and algae 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 WV9, which is treated before it reaches homes.

Keep reading

PFAS explainedHow to test your waterBest water filtersFilter shower headsWater testing kitsAll of WolverhamptonUK water rankingsWater hardness checkerWater hardness map

River and groundwater readings near WV9

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
pH7.74 pHNone
Temperature16.4 °CNone
Conductivity430 µS/cmNone
Ammonia0.24 mg/L0.5 mg/L
Nitrate4.1 mg/L50 mg/L
Nitrite0.032 mg/L0.5 mg/L
Phosphate0.19 mg/LNone
Dissolved Oxygen7.64 mg/LNone
Copper0.00372 mg/L2 mg/L
Zinc0.0284 mg/LNone
Lead0.0028 mg/L0.01 mg/L
Cadmium0.00056 mg/L0.005 mg/L
Chromium0.0012 mg/L0.05 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