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Rotherham, England
Rotherham
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
ExcellentWater hardness: 283 mg/L (very hard)
Hard water — may cause limescale buildup in kettles and pipes
Hard water is costing your home money
Your water is very hard (283 mg/L) — find out if a softener is worth it
Tap water in S74 (Rotherham, Rotherham) is supplied by Yorkshire Water and scored 9.4 out of 10 for safety based on 24 tested parameters. No contaminants exceeded recommended safe levels. Data is from 215 samples collected up to 2026-05-05, sourced from Yorkshire Water via the Stream Water Data Portal.
Last sampled 2026-05-05 · 215 samples
Results from drinking water tests in Rotherham.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| E. coli | 0 count/100ml | 0 count/100ml | 0 count/100ml | Safe |
| Iron | 0.0162 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
| Aluminium | 0.0113 mg/L | 0.2 mg/L | — | Safe |
| Manganese | 0.00178 mg/L | 0.05 mg/L | 0.08 mg/L | Safe |
| Coliform Bacteria | 0 count/100ml | 0 count/100ml | 0 count/100ml | Safe |
| Turbidity | 0.11 NTU | 4 NTU | 4 NTU | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for S74
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for S74. 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
Limescale reduces boiler efficiency and shortens appliance life. Based on your water hardness (283 mg/L — very hard), a softener could save you £200+/year.
Get a free assessment — we'll tell you if it's worth it and connect you with trusted local installers.
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Shower filters
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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 S74. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Ammonia | 0.444 mg/L | 0.5 mg/L | — | Watch |
| Iron | 0.582 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 S74.