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Darlington, England
Your water in TS21
Darlington
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
ExcellentTap water in TS21 (Darlington, Darlington) is supplied by Northumbrian Water and scored 9.7 out of 10 for safety based on 20 tested parameters. No contaminants exceeded recommended safe levels. Data is from 2,827 samples collected up to 2024-12-19, sourced from Northumbrian Water via the Stream Water Data Portal.
Drinking water testsHow we score
Last sampled 2024-12-19 · 2,827 samples
This data is 15 months old. Newer data may be available soon.
What’s in your tap water
Results from drinking water tests in Darlington.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Colour | 0.81 mg/L Pt/Co | 20 mg/L Pt/Co | — | Safe |
| Iron | 0.019 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Aluminium | 0.031 mg/L | 0.2 mg/L | — | Safe |
| Conductivity | 260 µS/cm | — | — | Safe |
| Manganese | 0.00065 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
| pH | 7.8 pH | — | — | Safe |
Source: Stream Water Data Portal
Filters for TS21
General-purpose filters for common UK tap water concerns.
Our pick for TS21
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for TS21. Removes Chlorine, Lead, Copper and more. No installation needed.
Check price & reviews
£25
4.5/5
2 more options
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
Related guides
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Environmental water nearby
Rivers, groundwater and reservoirs near TS21. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 7.92 pH | — | — | Safe |
| Temperature | 4.3 °C | — | — | Safe |
| Ammonia | 0.032 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 8.01 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.018 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Phosphate | 0.143 mg/L | — | — | Safe |
Source: Environment Agency
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