Tap water in NG34, North KestevenSafe to drink.Very hard.
Supplied by Anglian Water. 1,247 samples, 19 substances, latest on 20 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. The specks are the minerals that make water hard.
What to do about it
Hard water: compare softener quotes
At 356 mg/L a softener is the only thing that stops limescale. Filters do not soften water.
It pays for itself in most homes at this hardness, through a boiler that stays efficient and appliances that last.
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
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What's in a glass of NG34 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.
Nitrate came closest to a limit, at 54% of it. 15 of 16 substances used under a quarter of theirs.
- Nitrate54%
- Iron11%
- Trihalomethanes10%
- Nickel8%
- Turbidity6%
- Aluminium6%
- Manganese6%
- Fluoride6%
- Nitrite6%
- Copper3%
- Arsenic2%
- Selenium2%
- Lead2%
- Antimony2%
- Chromium2%
- Cadmium<1%
- Coliform Bacteria none found
- E. coli none found
- Conductivity 719 µS/cm
All 19 results as a table
| Substance | Result | Legal limit | Share of limit |
|---|---|---|---|
| Coliform Bacteria | 0 count/100ml | Must be zero | None found |
| E. coli | 0 count/100ml | Must be zero | None found |
| Aluminium | 0.012 mg/L | 0.2 mg/L | 6% |
| Iron | 0.021 mg/L | 0.2 mg/L | 11% |
| Manganese | 0.003 mg/L | 0.05 mg/L | 6% |
| Copper | 0.05 mg/L | 2 mg/L | 3% |
| Fluoride | 0.09 mg/L | 1.5 mg/L | 6% |
| Arsenic | 0.00018 mg/L | 0.01 mg/L | 2% |
| Cadmium | 0.00002 mg/L | 0.005 mg/L | <1% |
| Chromium | 0.00076 mg/L | 0.05 mg/L | 2% |
| Nickel | 0.00151 mg/L | 0.02 mg/L | 8% |
| Lead | 0.00016 mg/L | 0.01 mg/L | 2% |
| Antimony | 0.00008 mg/L | 0.005 mg/L | 2% |
| Selenium | 0.00072 mg/L | 0.04 mg/L | 2% |
| Trihalomethanes | 0.0097 mg/L | 0.1 mg/L | 10% |
| Turbidity | 0.25 NTU | 4 NTU | 6% |
| Nitrate | 27.1 mg/L | 50 mg/L | 54% |
| Nitrite | 0.03 mg/L | 0.5 mg/L | 6% |
| Conductivity | 719 µS/cm | No legal limit | – |
356mg of limescale minerals in every litre
This is the water that furs up kettles
Very hard on the UK scale. It is fine to drink. It is hard on boilers, showers, skin and anything that heats water, and a jug or tap filter will not change that.
Softener quotes for NG34
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Your river is the Cliff Beck, rated moderate
The Environment Agency rated the Cliff Beck as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by insects and other small river life, water plants and algae and organic pollution (bod). It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants.
None of this is a test of your tap water. Environment Agency record · River health across England
NG34 in short
Tap water in NG34 (North Kesteven) is supplied by Anglian Water in the North Kesteven Central zone and scores 9.4 out of 10, against an England and Wales average of 9.0. None of the 19 tested substances came close to a limit. The latest sample is from 20 December 2024.
- The cleanest tap water of the 4 areas tested in LincolnNG34 scores 9.4 out of 10, ahead of LN4 in second place on 9.1. Every area in Lincoln
- Among the hardest water in the country at 356 mg/LVery hard starts at 250 mg/L. At this level kettles scale up within weeks and a softener is a normal purchase in NG34. How hardness is measured
- Nitrate is the reading closest to its limit, at 54% of the 50 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
Questions about NG34 water
Is NG34 tap water safe to drink?
Based on the latest tests, NG34 (North Kesteven) water scores 9.4/10, which is safe. 0 of 19 tested contaminants exceeded recommended levels. Water is supplied by Anglian Water.
What contaminants are in NG34 water?
We tested 19 contaminants in NG34 water. None exceeded recommended safe levels.
Who supplies water in NG34?
NG34 (North Kesteven) is supplied by Anglian Water. You can view their full profile and compliance data on our supplier page.
Is NG34 water hard or soft?
Water in NG34 (North Kesteven) has a hardness of 356 mg/L CaCO3, which is classified as very hard. Hard water can cause limescale buildup. A water softener or filter jug may help.
Should I use a water filter in NG34?
NG34 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 NG34 water?
No PFAS (forever chemicals) result is attached to the tap-water tests for NG34, 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.
How clean is the river near NG34?
The Environment Agency rated the Cliff Beck as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. It is held back by insects and other small river life, water plants and algae and organic pollution (bod). It fails the chemical test, as every river, estuary and stretch of coast in England does, because of long-lasting pollutants such as mercury, PFOS (a forever chemical) and old flame retardants. This is a rating of the river, not of tap water in NG34, which is treated before it reaches homes.
Keep reading
- Best Water Softener UKHarvey, Kinetico, BWT, Monarch and Water2Buy compared, with real costs
- Do I Need a Water Softener?The hardness bands, the symptoms, and a postcode check
- UK Water Hardness MapIs your water hard or soft, and does it matter?
- Is UK Tap Water Safe?Everything you need to know about tap water safety in the UK
- Do I need a water softener?The hardness bands, the symptoms, and when the answer is no
- Best water softener UKHarvey, Kinetico, BWT, Monarch and Water2Buy compared
- Water softener costUnit, fitting and salt, and how long the payback takes
- Installation explainedWhere it goes, the bypass tap, the drain, DIY or plumber
- Harvey vs KineticoThe two premium twin-cylinder brands, side by side
- Softener salt guideTablet, block or granular, and how much you get through
- Salt-free softenersConditioners and electronic descalers, honestly assessed
How to test your waterBest water filtersFilter shower headsWater testing kitsAll of LincolnUK water rankingsWater hardness checkerWater hardness map
River and groundwater readings near NG34
Environment Agency samples from rivers, groundwater and reservoirs nearby. Not your tap water. For scale they are shown against drinking water limits; rivers are judged against much stricter environmental standards, and on those every river in England fails for chemicals.
Get alerts for your area
We'll email you when water quality data changes for NG34.