Is B11 tap water safe to drink?

Based on the latest tests, B11 (Birmingham) water scores 9.3/10, which is safe. 0 of 19 tested contaminants exceeded recommended levels. Water is supplied by Severn Trent.

What contaminants are in B11 water?

We tested 19 contaminants in B11 water. None exceeded recommended safe levels.

Who supplies water in B11?

B11 (Birmingham) 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 B11?

B11 water scored 9.3/10 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 B11 water?

No PFAS (forever chemicals) have been detected in B11 based on available monitoring data. PFAS are tested at environmental monitoring sites near your postcode.

Birmingham, England

Your water in B11

Birmingham

Your water is safe

We checked 19 things and found nothing to worry about

Excellent

Your water is safe

We checked 19 things and found nothing to worry about

Excellent

Severn Trent

Your water company

Tap water in B11 (Birmingham, Birmingham) is supplied by Severn Trent and scored 9.3 out of 10 for safety based on 19 tested parameters. No contaminants exceeded recommended safe levels. Data is from 1,314 samples collected up to 2024-12-28, sourced from Severn Trent via the Stream Water Data Portal.

Drinking water testsHow we score

Last sampled 2024-12-28 · 1,314 samples

This data is 16 months old. Newer data may be available soon.

What’s in your tap water

Results from drinking water tests in Birmingham.

Substance	Found	Safe Level	WHO Safe Level	Status
Nitrate	5.8 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.003 mg/L	0.5 mg/L	3 mg/L	Safe
Aluminium	0.009 mg/L	0.2 mg/L	—	Safe
Iron	0.016 mg/L	0.2 mg/L	0.3 mg/L	Safe
Manganese	0.0008 mg/L	0.05 mg/L	0.08 mg/L	Safe
Copper	0.013 mg/L	2 mg/L	2 mg/L	Safe

NitrateSafe

Found

5.8 mg/L

Safe level

50 mg/L

WHO

50 mg/L

12% of safe level

NitriteSafe

Found

0.003 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

1% of safe level

AluminiumSafe

Found

0.009 mg/L

Safe level

0.2 mg/L

WHO

—

4% of safe level

IronSafe

Found

0.016 mg/L

Safe level

0.2 mg/L

WHO

0.3 mg/L

8% of safe level

ManganeseSafe

Found

0.0008 mg/L

Safe level

0.05 mg/L

WHO

0.08 mg/L

2% of safe level

CopperSafe

Found

0.013 mg/L

Safe level

2 mg/L

WHO

2 mg/L

1% of safe level

Source: Stream Water Data Portal

Filters for B11

General-purpose filters for common UK tap water concerns.

Our pick for B11

BRITA Marella XL + MAXTRA PRO

Jug Filter · TUV SUD

A solid all-round filter for B11. Removes Chlorine, Lead, Copper and more. No installation needed.

Check price & reviews

£25

4.5/5

2 more options

Jug Filter

ZeroWater 12-Cup Ready-Pour

£40

4.3

Jug Filter

Aqua Optima Liscia + Evolve+

£20

4.4

Recommendations matched to your area's water data, not sponsorship. We may earn a commission at no extra cost to you. Affiliate disclosure · Full filter guide

Shower filters

Remove chlorine for better skin and hair

Test your water

Confirm exactly what's in your pipes

Related guides

Learn more about the water quality issues relevant to this area.

Is UK Tap Water Safe?

Everything you need to know about tap water safety in the UK

Environmental water nearby

Rivers, groundwater and reservoirs near B11. This is environmental monitoring — not your tap water.

Substance	Found	Safe Level	WHO Safe Level	Status
pH	7.7 pH	—	—	Safe
Temperature	5.4 °C	—	—	Safe
Ammonia	0.265 mg/L	0.5 mg/L	—	Safe
Nitrate	3.34 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.057 mg/L	0.5 mg/L	3 mg/L	Safe
Phosphate	0.258 mg/L	—	—	Safe

pHSafe

Found

7.7 pH

Safe level

—

WHO

—

Informational — no set limit

TemperatureSafe

Found

5.4 °C

Safe level

—

WHO

—

Informational — no set limit

AmmoniaSafe

Found

0.265 mg/L

Safe level

0.5 mg/L

WHO

—

53% of safe level

NitrateSafe

Found

3.34 mg/L

Safe level

50 mg/L

WHO

50 mg/L

7% of safe level

NitriteSafe

Found

0.057 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

11% of safe level

PhosphateSafe

Found

0.258 mg/L

Safe level

—

WHO

—

Informational — no set limit

Source: Environment Agency

Learn more

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Your water supplier

Severn Trent

Loading water report

Fetching the latest data for this area

What’s in your tap water

Results from drinking water tests in Birmingham.

Substance	Found	Safe Level	WHO Safe Level	Status
Nitrate	5.8 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.003 mg/L	0.5 mg/L	3 mg/L	Safe
Aluminium	0.009 mg/L	0.2 mg/L	—	Safe
Iron	0.016 mg/L	0.2 mg/L	0.3 mg/L	Safe
Manganese	0.0008 mg/L	0.05 mg/L	0.08 mg/L	Safe
Copper	0.013 mg/L	2 mg/L	2 mg/L	Safe

NitrateSafe

Found

5.8 mg/L

Safe level

50 mg/L

WHO

50 mg/L

12% of safe level

NitriteSafe

Found

0.003 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

1% of safe level

AluminiumSafe

Found

0.009 mg/L

Safe level

0.2 mg/L

WHO

—

4% of safe level

IronSafe

Found

0.016 mg/L

Safe level

0.2 mg/L

WHO

0.3 mg/L

8% of safe level

ManganeseSafe

Found

0.0008 mg/L

Safe level

0.05 mg/L

WHO

0.08 mg/L

2% of safe level

CopperSafe

Found

0.013 mg/L

Safe level

2 mg/L

WHO

2 mg/L

1% of safe level

Source: Stream Water Data Portal

Filters for B11

General-purpose filters for common UK tap water concerns.

Our pick for B11

BRITA Marella XL + MAXTRA PRO

Jug Filter · TUV SUD

A solid all-round filter for B11. Removes Chlorine, Lead, Copper and more. No installation needed.

Check price & reviews

£25

4.5/5

2 more options

Jug Filter

ZeroWater 12-Cup Ready-Pour

£40

4.3

Jug Filter

Aqua Optima Liscia + Evolve+

£20

4.4

Recommendations matched to your area's water data, not sponsorship. We may earn a commission at no extra cost to you. Affiliate disclosure · Full filter guide

Environmental water nearby

Rivers, groundwater and reservoirs near B11. This is environmental monitoring — not your tap water.

Substance	Found	Safe Level	WHO Safe Level	Status
pH	7.7 pH	—	—	Safe
Temperature	5.4 °C	—	—	Safe
Ammonia	0.265 mg/L	0.5 mg/L	—	Safe
Nitrate	3.34 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.057 mg/L	0.5 mg/L	3 mg/L	Safe
Phosphate	0.258 mg/L	—	—	Safe

pHSafe

Found

7.7 pH

Safe level

—

WHO

—

Informational — no set limit

TemperatureSafe

Found

5.4 °C

Safe level

—

WHO

—

Informational — no set limit

AmmoniaSafe

Found

0.265 mg/L

Safe level

0.5 mg/L

WHO

—

53% of safe level

NitrateSafe

Found

3.34 mg/L

Safe level

50 mg/L

WHO

50 mg/L

7% of safe level

NitriteSafe

Found

0.057 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

11% of safe level

PhosphateSafe

Found

0.258 mg/L

Safe level

—

WHO

—

Informational — no set limit

Source: Environment Agency