County Durham, England
County Durham
Your water is safe
We checked 12 things and found nothing to worry about
GoodYour water is safe
We checked 12 things and found nothing to worry about
GoodBased on environmental water monitoring, your water in DL15 (County Durham) is supplied by Unknown. Based on the latest data (last sampled 2013-07-17), 12 things were tested with 0 exceeding recommended levels. The overall water quality score for DL15 is 8.9/10.
Last sampled 2013-07-17 · Tap water tests not yet available for Unknown
This data is over 12 years old. The Environment Agency hasn't sampled near DL15 recently. Scores reflect the most recent available data.
Here’s what government tests found in water near you.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 8.03 pH | — | — | Safe |
| Temperature | 4.1 °C | — | — | Safe |
| Ammonia | 0.075 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 3.81 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.023 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Copper | 0.00236 mg/L | 2 mg/L | 2 mg/L | Safe |
Source: Environment Agency
General-purpose filters for common UK tap water concerns.

Our pick for DL15
BRITA Marella XL + MAXTRA PRO
Jug Filter · TUV SUD
A solid all-round filter for DL15. 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 DL15. This is environmental monitoring — not your tap water.
| Substance | Found | Safe Level | WHO Safe Level | Status |
|---|---|---|---|---|
| pH | 8.03 pH | — | — | Safe |
| Temperature | 4.1 °C | — | — | Safe |
| Ammonia | 0.075 mg/L | 0.5 mg/L | — | Safe |
| Nitrate | 3.81 mg/L | 50 mg/L | 50 mg/L | Safe |
| Nitrite | 0.023 mg/L | 0.5 mg/L | 3 mg/L | Safe |
| Copper | 0.00236 mg/L | 2 mg/L | 2 mg/L | Safe |
Source: Environment Agency
We'll email you when water quality data changes for DL15.