Skip to main content
tapwater
England and Wales average 9.0

Tap water in B80, Stratford-on-AvonSafe to drink.

Supplied by Severn Trent. 403 samples, 20 substances, latest on 23 December 2025. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

8.9 / 10

The tank is as full as the score.

What to do about it

ZeroWater 12-Cup Ready-Pour

ZeroWater 12-Cup Ready-Pour

£40typical price

Households concerned about PFAS and heavy metals

Check price at Amazon (opens in new tab)
Waterdrop 10UA Under Sink

Waterdrop 10UA Under Sink

£70typical price

High-volume under-sink filtration without RO complexity

Check price at Waterdrop (opens in new tab)
BRITA Marella XL + MAXTRA PRO

BRITA Marella XL + MAXTRA PRO

£25typical price

Basic chlorine and taste improvement on a budget

Check price at Amazon (opens in new tab)

We earn a commission if you buy through these links, at no extra cost to you. It never changes which product we put first. How we make money

What's in a glass of B80 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.

Fluoride came closest to a limit, at 59% of it. 15 of 17 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitTrihalomethanes: 0 mg/L, 0% of the 0.1 mg/L limitTrihalomethanes0%Cadmium: 0.00001 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Chromium: 0.00042 mg/L, <1% of the 0.05 mg/L limitChromium<1%Antimony: 0.000059 mg/L, 1% of the 0.005 mg/L limitAntimony1%Manganese: 0.00073 mg/L, 1% of the 0.05 mg/L limitManganese1%Lead: 0.00024 mg/L, 2% of the 0.01 mg/L limitLead2%Nitrite: 0.013 mg/L, 3% of the 0.5 mg/L limitNitrite3%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Selenium: 0.00134 mg/L, 3% of the 0.04 mg/L limitSelenium3%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%Nickel: 0.001 mg/L, 5% of the 0.02 mg/L limitNickel5%Copper: 0.105 mg/L, 5% of the 2 mg/L limitCopper5%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Arsenic: 0.00228 mg/L, 23% of the 0.01 mg/L limitArsenic23%Nitrate: 25.2 mg/L, 50% of the 50 mg/L limitNitrate50%Fluoride: 0.89 mg/L, 59% of the 1.5 mg/L limitFluoride59%
  1. Fluoride59%
  2. Nitrate50%
  3. Arsenic23%
  4. Aluminium11%
  5. Copper5%
  6. Nickel5%
  7. Colour4%
  8. Iron3%
  9. Selenium3%
  10. Turbidity3%
  11. Nitrite3%
  12. Lead2%
  13. Manganese1%
  14. Antimony1%
  15. Chromium<1%
  16. Cadmium<1%
  17. Trihalomethanes0%
  • pH 7.78 pH
  • Conductivity 365 µS/cm
  • Phosphate 0.693 mg/L
All 20 results as a table
SubstanceResultLegal limitShare of limit
pH7.78 pHNo legal limit–
Aluminium0.021 mg/L0.2 mg/L
11%
Colour0.8 mg/L Pt/Co20 mg/L Pt/Co
4%
Iron0.007 mg/L0.2 mg/L
3%
Turbidity0.12 NTU4 NTU
3%
Manganese0.00073 mg/L0.05 mg/L
1%
Conductivity365 µS/cmNo legal limit–
Nitrate25.2 mg/L50 mg/L
50%
Nitrite0.013 mg/L0.5 mg/L
3%
Arsenic0.00228 mg/L0.01 mg/L
23%
Cadmium0.00001 mg/L0.005 mg/L
<1%
Chromium0.00042 mg/L0.05 mg/L
<1%
Nickel0.001 mg/L0.02 mg/L
5%
Trihalomethanes0 mg/L0.1 mg/L
<1%
Lead0.00024 mg/L0.01 mg/L
2%
Antimony0.000059 mg/L0.005 mg/L
1%
Selenium0.00134 mg/L0.04 mg/L
3%
Copper0.105 mg/L2 mg/L
5%
Fluoride0.89 mg/L1.5 mg/L
59%
Phosphate0.693 mg/LNo legal limit–
Outside your tap

Your river is the Arrow - source to Spernall Hall Fm, Studley, rated moderate

The Environment Agency rated the Arrow - source to Spernall Hall Fm, Studley as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by phosphate 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

B80 in short

Tap water in B80 (Stratford-on-Avon) is supplied by Severn Trent in the Stratford-on-Avon Central zone and scores 8.9 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 23 December 2025.

  • 7th cleanest of 8 areas tested in Stratford-on-Avon1 area in Stratford-on-Avon scored lower. The best is B49 on 9.3.
  • Fluoride is the reading closest to its limit, at 59% of the 1.5 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 8 neighbouring districtsWater here is typical for the immediate area, which usually means the same treatment works and the same supply zone.

Next door

B949.2 out of 10B959.3 out of 10B499.3 out of 10B508.9 out of 10CV369.0 out of 10CV478.9 out of 10CV379.3 out of 10B989.0 out of 10

Questions about B80 water

Is B80 tap water safe to drink?

Based on the latest tests, B80 (Stratford-on-Avon) water scores 8.9/10, which is safe. 0 of 20 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in B80 water?

We tested 20 contaminants in B80 water. None exceeded recommended safe levels.

Who supplies water in B80?

B80 (Stratford-on-Avon) 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 B80?

B80 water scored 8.9/10 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 B80 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for B80, 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.

How clean is the river near B80?

The Environment Agency rated the Arrow - source to Spernall Hall Fm, Studley as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by phosphate 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 B80, which is treated before it reaches homes.

Keep reading

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

River and groundwater readings near B80

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
pH7.99 pHNone
Temperature16.5 °CNone
Conductivity911 µS/cmNone
Ammonia0.14 mg/L0.5 mg/L
Nitrate2.8 mg/L50 mg/L
Nitrite0.084 mg/L0.5 mg/L
Phosphate0.18 mg/LNone
Dissolved Oxygen7.8 mg/LNone
Copper0.00034 mg/L2 mg/L
Cadmium0.000159 mg/L0.005 mg/L
Hardness (as CaCO3)405 mg/LNone
Chromium0.000592 mg/L0.05 mg/L
Zinc0.00531 mg/LNone
Nickel0.001 mg/L0.02 mg/L

Get alerts for your area

We'll email you when water quality data changes for B80.

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