Tap water in NP15, MonmouthshireSafe to drink.
Supplied by Dŵr Cymru Welsh Water. 233 samples, 8 substances, latest on 18 December 2024. Everything is inside the legal limit, and nothing comes close to it.
9.4 / 10
The tank is as full as the score.
What to do about it
ZeroWater 12-Cup Ready-Pour
£40typical price
Households concerned about PFAS and heavy metals
Waterdrop 10UA Under Sink
£70typical price
High-volume under-sink filtration without RO complexity
BRITA Marella XL + MAXTRA PRO
£25typical price
Basic chlorine and taste improvement on a budget
We earn a commission if you buy through these links, at no extra cost to you. It never changes which product we put first. How we make money
What's in a glass of NP15 water
Every bubble is a substance the lab measured. The higher it floats, the closer it came to its legal limit, the dashed line at the top.
Iron came closest to a limit, at 30% of it. 4 of 5 substances used under a quarter of theirs.
- Iron30%
- Colour23%
- Turbidity7%
- Manganese3%
- Aluminium3%
- Coliform Bacteria none found
- E. coli none found
- Conductivity 250 µS/cm
All 8 results as a table
| Substance | Result | Legal limit | Share of limit |
|---|---|---|---|
| Coliform Bacteria | 0 count/100ml | Must be zero | None found |
| Turbidity | 0.27 NTU | 4 NTU | 7% |
| E. coli | 0 count/100ml | Must be zero | None found |
| Colour | 4.6 mg/L Pt/Co | 20 mg/L Pt/Co | 23% |
| Manganese | 0.0013 mg/L | 0.05 mg/L | 3% |
| Iron | 0.059 mg/L | 0.2 mg/L | 30% |
| Aluminium | 0.005 mg/L | 0.2 mg/L | 3% |
| Conductivity | 250 µS/cm | No legal limit | – |
NP15 in short
Tap water in NP15 (Monmouthshire) is supplied by Dŵr Cymru Welsh Water in the Monmouthshire Central zone and scores 9.4 out of 10, against an England and Wales average of 9.0. None of the 8 tested substances came close to a limit. The latest sample is from 18 December 2024.
- 3rd cleanest of 5 areas tested in MonmouthshireSquarely mid-table for Monmouthshire, between NP7 on 9.6 and NP25 on 9.1.
- Nothing tested came within 40% of its legal limitThe highest was Iron at 30% of the 0.2 mg/L maximum. See every reading
- Scores higher than 1 of 4 neighbouring districtsWater here is typical for the immediate area, which usually means the same treatment works and the same supply zone.
Questions about NP15 water
Is NP15 tap water safe to drink?
Based on the latest tests, NP15 (Monmouthshire) water scores 9.4/10, which is safe. 0 of 8 tested contaminants exceeded recommended levels. Water is supplied by Dŵr Cymru Welsh Water.
What contaminants are in NP15 water?
We tested 8 contaminants in NP15 water. None exceeded recommended safe levels.
Who supplies water in NP15?
NP15 (Monmouthshire) is supplied by Dŵr Cymru Welsh Water. You can view their full profile and compliance data on our supplier page.
Should I use a water filter in NP15?
NP15 water scored 9.4/10 with no contaminants above recommended levels. A filter is optional but can improve taste, especially if you notice a chlorine flavour. See our filter recommendations for your area.
Are there PFAS forever chemicals in NP15 water?
No PFAS (forever chemicals) result is attached to the tap-water tests for NP15, and the Environment Agency has no PFAS detections in rivers or groundwater within 10 km of it. That reflects where sampling has happened as much as the water itself.
Keep reading
- Is UK Tap Water Safe?Everything you need to know about tap water safety in the UK
- Best Water Filters UKEvery filter type compared on what it actually removes
- How to Test Your Tap WaterFrom DIY strips to professional lab analysis
- Best Water Filter Jug UKBRITA vs ZeroWater vs the rest, tested against real data
How to test your waterBest water filtersFilter shower headsWater testing kitsUK water rankingsWater hardness checkerWater hardness map
Get alerts for your area
We'll email you when water quality data changes for NP15.