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Fetching the latest data for this area
Crawley, England
Crawley
Your water is safe
We checked 10 things and found 2 worth knowing about
GoodYour water is safe
We checked 10 things and found 2 worth knowing about
GoodTap water in RH11 (Crawley, Crawley) is supplied by South East Water and scored 8.3 out of 10 for safety based on 10 tested parameters. 2 contaminants exceeded recommended safe levels: Manganese, Iron. Data is from samples last taken 2020-01-16, sourced from the Environment Agency Water Quality Archive.
Last sampled 2020-01-16 · Tap water tests not yet available for South East Water
This data is over 6 years old. The Environment Agency hasn't sampled near RH11 recently. Scores reflect the most recent available data.
Here’s what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Manganese | 0.26 mg/L | 0.05 mg/L | 0.08 mg/L | Over limit |
| Iron | 0.73 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
2 contaminants flagged in RH11. These filters are matched to what was found in your water.

Our pick for RH11
Waterdrop WHF21 Whole House
Whole House · NSF/ANSI 42
Removes both Manganese and Iron — the two contaminants flagged in RH11. Protects every tap in your home.
Removes from your water
£600
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
Learn more about the water quality issues relevant to this area.
Rivers, groundwater and reservoirs near RH11. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Manganese | 0.26 mg/L | 0.05 mg/L | 0.08 mg/L | Over limit |
| Iron | 0.73 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for RH11.