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Fetching the latest data for this area
Basildon, England
Basildon
Your water is safe
We checked 12 things and found 1 worth knowing about
GoodYour water is safe
We checked 12 things and found 1 worth knowing about
GoodTap water in CM4 (Basildon, Basildon) is supplied by Anglian Water and scored 8.2 out of 10 for safety based on 12 tested parameters. 1 contaminant exceeded recommended safe levels: Iron. Data is from samples last taken 2013-01-03, sourced from the Environment Agency Water Quality Archive.
Last sampled 2013-01-03 · Tap water tests not yet available for Anglian Water
This data is over 13 years old. The Environment Agency hasn't sampled near CM4 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 |
|---|---|---|---|---|
| Iron | 0.27 mg/L | 0.2 mg/L | 0.3 mg/L | Over limit |
Source: Environment Agency
1 contaminant flagged in CM4. These filters are matched to what was found in your water.

Our pick for CM4
Waterdrop WHF3T-FG 3-Stage Whole House
Whole House · NSF/ANSI 372
The Waterdrop WHF3T-FG 3-Stage Whole House is certified to remove Iron, which was flagged in CM4. Protects every tap in your home.
Removes from your water
£330
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 CM4. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Iron | 0.27 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 CM4.