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tapwater
England and Wales average 9.0

Tap water in SY4, ShropshireSafe to drink.Soft.

Supplied by Severn Trent. 1,608 samples, 20 substances, latest on 18 December 2025. Everything is inside the legal limit. One result, nitrate, sits close to the line.

See the filter we recommendSee everything that was tested

9.2 / 10

The tank is as full as the score. The specks are the minerals that make water hard.

What to do about it

Waterdrop G3P600 Reverse Osmosis

Waterdrop G3P600 Reverse Osmosis

£550typical price

Removes nitrate, the result that stood out in SY4.

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Osmio PRO-III Ultimate Whole House

£499typical price

Removes nitrate, the result that stood out in SY4.

Check price at Osmio (opens in new tab)
ZeroWater 12-Cup Ready-Pour

ZeroWater 12-Cup Ready-Pour

£40typical price

Removes nitrate, the result that stood out in SY4.

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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 SY4 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 83% of it. 16 of 17 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitCopper: 0.0078 mg/L, <1% of the 2 mg/L limitCopper<1%Cadmium: 0.00002 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Selenium: 0.00021 mg/L, <1% of the 0.04 mg/L limitSelenium<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%Manganese: 0.00073 mg/L, 1% of the 0.05 mg/L limitManganese1%Antimony: 0.000098 mg/L, 2% of the 0.005 mg/L limitAntimony2%Lead: 0.00022 mg/L, 2% of the 0.01 mg/L limitLead2%Turbidity: 0.12 NTU, 3% of the 4 NTU limitTurbidity3%Iron: 0.007 mg/L, 3% of the 0.2 mg/L limitIron3%Fluoride: 0.06 mg/L, 4% of the 1.5 mg/L limitFluoride4%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%Arsenic: 0.00071 mg/L, 7% of the 0.01 mg/L limitArsenic7%Trihalomethanes: 0.0091 mg/L, 9% of the 0.1 mg/L limitTrihalomethanes9%Aluminium: 0.021 mg/L, 11% of the 0.2 mg/L limitAluminium11%Nitrate: 41.6 mg/L, 83% of the 50 mg/L limitNitrate83%
  1. Nitrate83%
  2. Aluminium11%
  3. Trihalomethanes9%
  4. Arsenic7%
  5. Nickel5%
  6. Fluoride4%
  7. Colour4%
  8. Iron3%
  9. Turbidity3%
  10. Lead2%
  11. Antimony2%
  12. Manganese1%
  13. Chromium<1%
  14. Nitrite<1%
  15. Selenium<1%
  16. Cadmium<1%
  17. Copper<1%
  • Conductivity 483 µS/cm
  • pH 7.71 pH
  • Phosphate 0.528 mg/L
All 20 results as a table
SubstanceResultLegal limitShare of limit
Nitrate41.6 mg/L50 mg/L
83%
Copper0.0078 mg/L2 mg/L
<1%
Fluoride0.06 mg/L1.5 mg/L
4%
Arsenic0.00071 mg/L0.01 mg/L
7%
Cadmium0.00002 mg/L0.005 mg/L
<1%
Chromium0.00042 mg/L0.05 mg/L
<1%
Nickel0.001 mg/L0.02 mg/L
5%
Lead0.00022 mg/L0.01 mg/L
2%
Antimony0.000098 mg/L0.005 mg/L
2%
Selenium0.00021 mg/L0.04 mg/L
<1%
Conductivity483 µS/cmNo legal limit–
Trihalomethanes0.0091 mg/L0.1 mg/L
9%
Colour0.8 mg/L Pt/Co20 mg/L Pt/Co
4%
Turbidity0.12 NTU4 NTU
3%
pH7.71 pHNo legal limit–
Nitrite0.003 mg/L0.5 mg/L
<1%
Aluminium0.021 mg/L0.2 mg/L
11%
Iron0.007 mg/L0.2 mg/L
3%
Manganese0.00073 mg/L0.05 mg/L
1%
Phosphate0.528 mg/LNo legal limit–

16mg of limescale minerals in every litre, typical for the SY area. SY4 has no reading of its own.

Soft water. Kind to kettles, boilers and skin

You will not need a softener here, and you will use less soap and detergent than most of England.

Soft400 mg/L
Outside your tap

Your river is the Sundorne Bk - source to conf R Severn, rated moderate

The Environment Agency rated the Sundorne Bk - source to conf R Severn 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, insects and other small river life 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

SY4 in short

Tap water in SY4 (Shropshire) is supplied by Severn Trent in the Shropshire Central zone and scores 9.2 out of 10, against an England and Wales average of 9.0. 1 of 20 tested substances was close to or over a limit. The latest sample is from 18 December 2025.

  • Nitrate is within its legal limit but flagged, at 83% of the 50 mg/L maximumAnything over three quarters of a limit is flagged here as worth watching. It has not gone over. See every reading
  • Soft water at 16 mg/LLimescale is not a problem across the SY postcode area, so skip softeners and scale filters entirely. How hardness is measured
  • 12th cleanest of 21 areas tested in ShropshireSquarely mid-table for Shropshire, between SY12 on 9.7 and WV15 on 8.6.

Next door

WV78.7 out of 10SY29.5 out of 10 · 16 mg/LSY59.5 out of 10 · 16 mg/LSY89.4 out of 10 · 16 mg/LSY69.5 out of 10 · 16 mg/LSY109.2 out of 10 · 16 mg/LSY39.5 out of 10 · 16 mg/LSY119.3 out of 10 · 16 mg/LSY99.3 out of 10 · 16 mg/LSY19.1 out of 10 · 16 mg/L

Questions about SY4 water

Is SY4 tap water safe to drink?

Based on the latest tests, SY4 (Shropshire) water scores 9.2/10, which is safe. 1 of 20 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in SY4 water?

We tested 20 contaminants in SY4 water. 1 were flagged, including Nitrate.

Who supplies water in SY4?

SY4 (Shropshire) is supplied by Severn Trent. You can view their full profile and compliance data on our supplier page.

Is SY4 water hard or soft?

No hardness reading has been published for SY4 itself. Across the SY postcode area the typical value is 16 mg/L CaCO3, which is classified as soft. Soft water is gentle on appliances and skin.

Should I use a water filter in SY4?

With 1 contaminant above recommended levels in SY4, a water filter could help. A filter jug or under-sink filter can reduce most common contaminants. See our filter recommendations for your area.

Are there PFAS forever chemicals in SY4 water?

No PFAS (forever chemicals) result is attached to the tap-water tests for SY4, 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 SY4?

The Environment Agency rated the Sundorne Bk - source to conf R Severn 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, insects and other small river life 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 SY4, which is treated before it reaches homes.

Keep reading

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

River and groundwater readings near SY4

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
Ammonia6.2 mg/L0.5 mg/L
Nitrite0.53 mg/L0.5 mg/L
Conductivity575 µS/cmNone
Phosphate0.18 mg/LNone
Nitrate0.18 mg/L50 mg/L
pH7.77 pHNone
Temperature10.7 °CNone
Dissolved Oxygen8.58 mg/LNone
Hardness (as CaCO3)348 mg/LNone

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We'll email you when water quality data changes for SY4.

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