Middlesbrough, England
Middlesbrough
Your water is safe
We checked 20 things and found nothing to worry about
ExcellentYour water is safe
We checked 20 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in TS4 (Middlesbrough) is supplied by Northumbrian Water. Based on the latest data (last sampled 2024-12-12), 20 things were tested with 0 exceeding recommended levels. The overall water quality score for TS4 is 9.3/10.
Last sampled 2024-12-12 · 2,137 samples
This data is 15 months old. Newer data may be available soon.
Results from drinking water tests in Middlesbrough.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Bromate | 0.0005 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Boron | 0.013 mg/L | 1 mg/L | 2.4 mg/L | Safe |
| Cadmium | 0.000018 mg/L | 0.005 mg/L | 0.003 mg/L | Safe |
| Lead | 0.00014 mg/L | 0.01 mg/L | 0.01 mg/L | Safe |
| Nitrite | 0.0061 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Selenium | 0.00083 mg/L | 0.04 mg/L | 0.04 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for TS4
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for TS4. 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 TS4. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Lead | 0.0482 mg/L | 0.01 mg/L | 0.01 mg/L | Over limit |
| Ammonia | 37 mg/L | 0.5 mg/L | — | Over limit |
| Nickel | 0.0487 mg/L | 0.02 mg/L | 0.07 mg/L | Over limit |
| Iron | 1.02 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 TS4.