Oldham, England
Oldham
Your water is safe
We checked 16 things and found nothing to worry about
ExcellentYour water is safe
We checked 16 things and found nothing to worry about
ExcellentBased on drinking water tests, your water in OL2 (Oldham) is supplied by United Utilities. Based on the latest data (last sampled 2024-12-23), 16 things were tested with 0 exceeding recommended levels. The overall water quality score for OL2 is 9.4/10.
Last sampled 2024-12-23 · 2,344 samples
This data is 15 months old. Newer data may be available soon.
Results from drinking water tests in Oldham.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Turbidity | 0.24 NTU | 4 NTU | 4 NTU | Safe |
| Nitrate | 2.04 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.0075 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Ammonia | 0.0321 mg/L | 0.5 mg/L | — | Safe |
| Aluminium | 0.0152 mg/L | 0.2 mg/L | — | Safe |
| Iron | 0.0121 mg/L | 0.2 mg/L | 0.3 mg/L | Safe |
Source: Stream Water Data Portal
General-purpose filters for common UK tap water concerns.

Our pick for OL2
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for OL2. 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 OL2. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| Ammonia | 3.8 mg/L | 0.5 mg/L | — | Over limit |
Source: Environment Agency
We'll email you when water quality data changes for OL2.