Tap water in BH12, Bournemouth, Christchurch and PooleToo few tap tests to call it.Very hard.
Supplied by Wessex Water. 8 substances, latest on 4 March 2024. These are river and groundwater samples near BH12, not tests of treated tap water, so treat the score as a rough guide.
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 295 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 BH12 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.
Ammonia came closest to a limit, at 9% of it. 3 of 3 substances used under a quarter of theirs.
- Ammonia9%
- Nitrate6%
- Nitrite2%
- pH 7.73 pH
- Temperature 8 °C
- Conductivity 383 µS/cm
- Dissolved Oxygen 11.9 mg/L
- Phosphate 0.017 mg/L
All 8 results as a table
295mg of limescale minerals in every litre, typical for the BH area. BH12 has no reading of its own.
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 BH12
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Your river is the Bourne Stream, rated moderate
The Environment Agency rated the Bourne Stream as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. 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
219
forever-chemical detections in nearby rivers and groundwater
At 2 sites. The highest was 6:2 FTSA at 0.011 µg/L, at River Stour at Iford Bridge, 8.5 km away, in July 2023. These are river and borehole samples, not tests of your tap water.
Every PFAS sample around Bournemouth · Which filters remove PFAS · PFAS explained
BH12 in short
Tap water in BH12 (Bournemouth, Christchurch and Poole) is supplied by Wessex Water in the Bournemouth, Christchurch and Poole 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 4 March 2024.
- The newest sample here is from March 2024That is over 2 years old, so treat this page as a record of past results rather than today's tap water.
- 3rd cleanest of 18 areas tested in Bournemouth, Christchurch and PooleOnly 2 areas in Bournemouth, Christchurch and Poole scored higher. The best is BH1 on 9.4.
- Very hard water at 295 mg/LThe threshold for very hard is 250 mg/L. Expect visible limescale on taps and in kettles across the BH postcode area. How hardness is measured
Questions about BH12 water
Is BH12 tap water safe to drink?
Based on the latest tests, BH12 (Bournemouth, Christchurch and Poole) water scores 9.4/10, which is safe. 0 of 8 tested contaminants exceeded recommended levels. Water is supplied by Wessex Water.
What contaminants are in BH12 water?
We tested 8 contaminants in BH12 water. None exceeded recommended safe levels. PFAS (forever chemicals) were also measured in rivers and groundwater within 10 km, though not in the tap-water tests themselves.
Who supplies water in BH12?
BH12 (Bournemouth, Christchurch and Poole) is supplied by Wessex Water. You can view their full profile and compliance data on our supplier page.
Is BH12 water hard or soft?
No hardness reading has been published for BH12 itself. Across the BH postcode area the typical value is 295 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 BH12?
BH12 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 BH12 water?
The tap-water tests we hold for BH12 do not include a PFAS result. Environment Agency monitoring found PFAS in 219 river and groundwater samples from 2 sites within 10 km of BH12, the highest being 6:2 FTSA at 0.011 µg/L about 8.5 km away. These are environmental samples, not tests of tap water. The UK currently has no legal limit for PFAS in drinking water; the Drinking Water Inspectorate uses a 0.1 µg/L guideline for individual compounds. Reverse osmosis filters can reduce PFAS levels.
How clean is the river near BH12?
The Environment Agency rated the Bourne Stream as moderate for ecological health in its 2025 assessment, meaning the river is noticeably changed by pollution or engineering. 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 BH12, which is treated before it reaches homes.
Keep reading
- Best Filter for PFAS RemovalThe filters with independent certification to remove forever chemicals
- PFAS Forever ChemicalsWhat PFAS are and how to reduce your exposure at home
- 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?
- 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
PFAS explainedHow to test your waterBest water filtersFilter shower headsWater testing kitsUK water rankingsWater hardness checkerWater hardness map
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