Sefton, England
Sefton
Your water is safe
We checked 15 things and found nothing to worry about
ExcellentYour water is safe
We checked 15 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in L38 (Sefton) is supplied by United Utilities. Based on the latest data (last sampled 2024-12-13), 15 things were tested with 0 exceeding recommended levels. The overall water quality score for L38 is 9.4/10.
Last sampled 2024-12-13 · 432 samples
This data is 15 months old. Newer data may be available soon.
Results from drinking water tests in Sefton.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Aluminium | 0.00375 mg/L | 0.2 mg/L | — | Safe |
| Iron | 0.0024 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Manganese | 0.00037 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
| Turbidity | 0.16 NTU | 4 NTU | 4 NTU | Safe |
| Copper | 0.0000746 mg/L | 2 mg/L | 2 mg/L | Safe |
| Nickel | 0.00077 mg/L | 0.02 mg/L | 0.07 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for L38
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for L38. Removes Chlorine, Lead, Copper and more. No installation needed.
£25
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
Rivers, groundwater and reservoirs near L38. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Iron | 1.2 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 L38.