Is GU29 tap water safe to drink?

Based on the latest tests, GU29 (Chichester) water scores 9.2/10, which is safe. 0 of 19 tested contaminants exceeded recommended levels. Water is supplied by Southern Water.

What contaminants are in GU29 water?

We tested 19 contaminants in GU29 water. None exceeded recommended safe levels.

Who supplies water in GU29?

GU29 (Chichester) is supplied by Southern Water. You can view their full profile and compliance data on our supplier page.

Should I use a water filter in GU29?

GU29 water scored 9.2/10 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 GU29 water?

No PFAS (forever chemicals) have been detected in GU29 based on available monitoring data. PFAS are tested at environmental monitoring sites near your postcode.

Chichester, England

Your water in GU29

Chichester

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

Southern Water

Your water company

Tap water in GU29 (Chichester, Chichester) is supplied by Southern Water and scored 9.2 out of 10 for safety based on 19 tested parameters. No contaminants exceeded recommended safe levels. Data is from 240 samples collected up to 2025-08-01, sourced from Southern Water via the Stream Water Data Portal.

Drinking water testsHow we score

Last sampled 2025-08-01 · 240 samples

What’s in your tap water

Results from drinking water tests in Chichester.

Substance	Found	Safe Level	WHO Safe Level	Status
Ammonia	0.01 mg/L	0.5 mg/L	—	Safe
Nitrate	20 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.003 mg/L	0.5 mg/L	3 mg/L	Safe
Aluminium	0.00837 mg/L	0.2 mg/L	—	Safe
Iron	0.0407 mg/L	0.2 mg/L	0.3 mg/L	Safe
Manganese	0.00189 mg/L	0.05 mg/L	0.08 mg/L	Safe

AmmoniaSafe

Found

0.01 mg/L

Safe level

0.5 mg/L

WHO

—

2% of safe level

NitrateSafe

Found

20 mg/L

Safe level

50 mg/L

WHO

50 mg/L

40% 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

0.00837 mg/L

Safe level

0.2 mg/L

WHO

—

4% of safe level

IronSafe

Found

0.0407 mg/L

Safe level

0.2 mg/L

WHO

0.3 mg/L

20% of safe level

ManganeseSafe

Found

0.00189 mg/L

Safe level

0.05 mg/L

WHO

0.08 mg/L

4% of safe level

Source: Stream Water Data Portal

Filters for GU29

General-purpose filters for common UK tap water concerns.

Our pick for GU29

BRITA Marella XL + MAXTRA PRO

Jug Filter · TUV SUD

A solid all-round filter for GU29. 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 GU29. This is environmental monitoring — not your tap water.

Substance	Found	Safe Level	WHO Safe Level	Status
pH	7.8 pH	—	—	Safe
Conductivity	340 µS/cm	—	—	Safe
Temperature	7.5 °C	—	—	Safe
Ammonia	0.086 mg/L	0.5 mg/L	—	Safe
Nitrate	4.25 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.0269 mg/L	0.5 mg/L	3 mg/L	Safe

pHSafe

Found

7.8 pH

Safe level

—

WHO

—

Informational — no set limit

ConductivitySafe

Found

340 µS/cm

Safe level

—

WHO

—

Informational — no set limit

TemperatureSafe

Found

7.5 °C

Safe level

—

WHO

—

Informational — no set limit

AmmoniaSafe

Found

0.086 mg/L

Safe level

0.5 mg/L

WHO

—

17% of safe level

NitrateSafe

Found

4.25 mg/L

Safe level

50 mg/L

WHO

50 mg/L

9% of safe level

NitriteSafe

Found

0.0269 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

5% of safe level

Source: Environment Agency

Learn more

How to test your water Best water filtersWater in ChichesterUK water rankings

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GU28Chichester9.1 PO10Chichester9.1 PO19Chichester9.1

Your water supplier

Southern Water

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Fetching the latest data for this area

What’s in your tap water

Results from drinking water tests in Chichester.

Substance	Found	Safe Level	WHO Safe Level	Status
Ammonia	0.01 mg/L	0.5 mg/L	—	Safe
Nitrate	20 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.003 mg/L	0.5 mg/L	3 mg/L	Safe
Aluminium	0.00837 mg/L	0.2 mg/L	—	Safe
Iron	0.0407 mg/L	0.2 mg/L	0.3 mg/L	Safe
Manganese	0.00189 mg/L	0.05 mg/L	0.08 mg/L	Safe

AmmoniaSafe

Found

0.01 mg/L

Safe level

0.5 mg/L

WHO

—

2% of safe level

NitrateSafe

Found

20 mg/L

Safe level

50 mg/L

WHO

50 mg/L

40% 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

0.00837 mg/L

Safe level

0.2 mg/L

WHO

—

4% of safe level

IronSafe

Found

0.0407 mg/L

Safe level

0.2 mg/L

WHO

0.3 mg/L

20% of safe level

ManganeseSafe

Found

0.00189 mg/L

Safe level

0.05 mg/L

WHO

0.08 mg/L

4% of safe level

Source: Stream Water Data Portal

Filters for GU29

General-purpose filters for common UK tap water concerns.

Our pick for GU29

BRITA Marella XL + MAXTRA PRO

Jug Filter · TUV SUD

A solid all-round filter for GU29. 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 GU29. This is environmental monitoring — not your tap water.

Substance	Found	Safe Level	WHO Safe Level	Status
pH	7.8 pH	—	—	Safe
Conductivity	340 µS/cm	—	—	Safe
Temperature	7.5 °C	—	—	Safe
Ammonia	0.086 mg/L	0.5 mg/L	—	Safe
Nitrate	4.25 mg/L	50 mg/L	50 mg/L	Safe
Nitrite	0.0269 mg/L	0.5 mg/L	3 mg/L	Safe

pHSafe

Found

7.8 pH

Safe level

—

WHO

—

Informational — no set limit

ConductivitySafe

Found

340 µS/cm

Safe level

—

WHO

—

Informational — no set limit

TemperatureSafe

Found

7.5 °C

Safe level

—

WHO

—

Informational — no set limit

AmmoniaSafe

Found

0.086 mg/L

Safe level

0.5 mg/L

WHO

—

17% of safe level

NitrateSafe

Found

4.25 mg/L

Safe level

50 mg/L

WHO

50 mg/L

9% of safe level

NitriteSafe

Found

0.0269 mg/L

Safe level

0.5 mg/L

WHO

3 mg/L

5% of safe level

Source: Environment Agency