East Hertfordshire, England
East Hertfordshire
Your water is safe
We checked 24 things and found nothing to worry about
ExcellentYour water is safe
We checked 24 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in SG10 (East Hertfordshire) is supplied by Affinity Water. Based on the latest data (last sampled 2024-12-09), 24 things were tested with 0 exceeding recommended levels. The overall water quality score for SG10 is 9.6/10.
Last sampled 2024-12-09 · 723 samples
This data is 16 months old. Newer data may be available soon.
Results from drinking water tests in East Hertfordshire.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Bromate | 0.00147 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Fluoride | 0.199 mg/L | 1.5 mg/L | 1.5 mg/L | Safe |
| Aluminium | 0 mg/L | 0.2 mg/L | — | Safe |
| Antimony | 0 mg/L | 0.005 mg/L | 0.02 mg/L | Safe |
| Arsenic | 0 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Boron | 0 mg/L | 1 mg/L | 2.4 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for SG10
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for SG10. 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 SG10. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Ammonia | 1.01 mg/L | 0.5 mg/L | — | Over limit |
| Iron | 1.57 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 SG10.