Skip to main content
tapwater
England and Wales average 9.0

Tap water in HD4, KirkleesSafe to drink.Soft.

Supplied by Yorkshire Water. 1,517 samples, 25 substances, latest on 17 September 2026. Everything is inside the legal limit, and nothing comes close to it.

See the filter we recommendSee everything that was tested

9.5 / 10

The tank is as full as the score. The specks are the minerals that make water hard.

What to do about it

ZeroWater 12-Cup Ready-Pour

ZeroWater 12-Cup Ready-Pour

£40typical price

Households concerned about PFAS and heavy metals

Check price at Amazon (opens in new tab)
Waterdrop 10UA Under Sink

Waterdrop 10UA Under Sink

£70typical price

High-volume under-sink filtration without RO complexity

Check price at Waterdrop (opens in new tab)
BRITA Marella XL + MAXTRA PRO

BRITA Marella XL + MAXTRA PRO

£25typical price

Basic chlorine and taste improvement on a budget

Check price at Amazon (opens in new tab)

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 HD4 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.

Trihalomethanes came closest to a limit, at 41% of it. 19 of 20 substances used under a quarter of theirs.

0%25%50%75%limitLegal limitChromium: 0.00019 mg/L, <1% of the 0.05 mg/L limitChromium<1%Cadmium: 0.000031 mg/L, <1% of the 0.005 mg/L limitCadmium<1%Lead: 0.00009 mg/L, <1% of the 0.01 mg/L limitLead<1%Selenium: 0.00043 mg/L, 1% of the 0.04 mg/L limitSelenium1%Boron: 0.0108 mg/L, 1% of the 1 mg/L limitBoron1%Arsenic: 0.00014 mg/L, 1% of the 0.01 mg/L limitArsenic1%Nitrite: 0.008 mg/L, 2% of the 0.5 mg/L limitNitrite2%Copper: 0.0375 mg/L, 2% of the 2 mg/L limitCopper2%Bromate: 0.0002 mg/L, 2% of the 0.01 mg/L limitBromate2%Antimony: 0.000104 mg/L, 2% of the 0.005 mg/L limitAntimony2%Turbidity: 0.11 NTU, 3% of the 4 NTU limitTurbidity3%Manganese: 0.00178 mg/L, 4% of the 0.05 mg/L limitManganese4%Fluoride: 0.06 mg/L, 4% of the 1.5 mg/L limitFluoride4%Mercury: 0.00004 mg/L, 4% of the 0.001 mg/L limitMercury4%Iron: 0.00928 mg/L, 5% of the 0.2 mg/L limitIron5%Nitrate: 3.73 mg/L, 7% of the 50 mg/L limitNitrate7%Aluminium: 0.0167 mg/L, 8% of the 0.2 mg/L limitAluminium8%Nickel: 0.00248 mg/L, 12% of the 0.02 mg/L limitNickel12%Colour: 3 mg/L Pt/Co, 15% of the 20 mg/L Pt/Co limitColour15%Trihalomethanes: 0.0414 mg/L, 41% of the 0.1 mg/L limitTrihalomethanes41%
  1. Trihalomethanes41%
  2. Colour15%
  3. Nickel12%
  4. Aluminium8%
  5. Nitrate7%
  6. Iron5%
  7. Fluoride4%
  8. Mercury4%
  9. Manganese4%
  10. Turbidity3%
  11. Antimony2%
  12. Bromate2%
  13. Copper2%
  14. Nitrite2%
  15. Arsenic1%
  16. Boron1%
  17. Selenium1%
  18. Lead<1%
  19. Cadmium<1%
  20. Chromium<1%
  • E. coli none found
  • Coliform Bacteria none found
  • Conductivity 176 µS/cm
  • Phosphate 1.23 mg/L
All 25 results as a table
SubstanceResultLegal limitShare of limit
E. coli0 count/100mlMust be zeroNone found
Coliform Bacteria0 count/100mlMust be zeroNone found
Trihalomethanes0.0414 mg/L0.1 mg/L
41%
Iron0.00928 mg/L0.2 mg/L
5%
Aluminium0.0167 mg/L0.2 mg/L
8%
Manganese0.00178 mg/L0.05 mg/L
4%
Nitrite0.008 mg/L0.5 mg/L
2%
Nitrate3.73 mg/L50 mg/L
7%
Boron0.0108 mg/L1 mg/L
1%
Nickel0.00248 mg/L0.02 mg/L
12%
Chromium0.00019 mg/L0.05 mg/L
<1%
Cadmium0.000031 mg/L0.005 mg/L
<1%
Fluoride0.06 mg/L1.5 mg/L
4%
Mercury0.00004 mg/L0.001 mg/L
4%
Bromate0.0002 mg/L0.01 mg/L
2%
Lead0.00009 mg/L0.01 mg/L
<1%
Antimony0.000104 mg/L0.005 mg/L
2%
Turbidity0.11 NTU4 NTU
3%
Conductivity176 µS/cmNo legal limit–
Colour3 mg/L Pt/Co20 mg/L Pt/Co
15%
Copper0.0375 mg/L2 mg/L
2%
Selenium0.00043 mg/L0.04 mg/L
1%
Arsenic0.00014 mg/L0.01 mg/L
1%
Hardness (as CaCO3)48.9 mg/LNo legal limit–
Phosphate1.23 mg/LNo legal limit–

52mg of limescale minerals in every litre

Soft water. Kind to kettles, boilers and skin

You will not need a softener here, and you will use less soap and detergent than most of England.

Soft400 mg/L
Outside your tap

Your river is the Holme from New Mill Dike to R Colne, rated moderate

The Environment Agency rated the Holme from New Mill Dike to R Colne 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 phosphate. 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

Within 10 km

33

forever-chemical detections in nearby rivers and groundwater

At 5 sites. The highest was PFBA at 0.013 µg/L, at Calder at Battyeford Bridge - Mirfield, 8.2 km away, in May 2024. These are river and borehole samples, not tests of your tap water.

Every PFAS sample around Huddersfield · Which filters remove PFAS · PFAS explained

HD4 in short

Tap water in HD4 (Kirklees) is supplied by Yorkshire Water in the Kirklees Central zone and scores 9.5 out of 10, against an England and Wales average of 9.0. None of the 25 tested substances came close to a limit. The latest sample is from 17 September 2026.

  • Trihalomethanes is the reading closest to its limit, at 41% of the 0.1 mg/L maximumIt passed with room to spare, and everything else tested sat further below its limit. See every reading
  • Soft water at 52 mg/LLimescale is not a problem in HD4, so skip softeners and scale filters entirely. How hardness is measured
  • 7th cleanest of 15 areas tested in HuddersfieldSquarely mid-table for Huddersfield, between HD1 on 9.6 and WF12 on 9.2. Every area in Huddersfield

Next door

HD89.6 out of 10 · 68 mg/LHD99.5 out of 10 · 55 mg/LBD199.3 out of 10 · 94 mg/LHD29.5 out of 10 · 40 mg/LHD19.6 out of 10 · 44 mg/LHD39.6 out of 10 · 51 mg/LHD79.5 out of 10 · 54 mg/LHD59.6 out of 10 · 38 mg/LWF149.5 out of 10 · 65 mg/LWF159.5 out of 10 · 89 mg/L

Questions about HD4 water

Is HD4 tap water safe to drink?

Based on the latest tests, HD4 (Kirklees) water scores 9.5/10, which is safe. 0 of 25 tested contaminants exceeded recommended levels. Water is supplied by Yorkshire Water.

What contaminants are in HD4 water?

We tested 25 contaminants in HD4 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 HD4?

HD4 (Kirklees) is supplied by Yorkshire Water. You can view their full profile and compliance data on our supplier page.

Is HD4 water hard or soft?

Water in HD4 (Kirklees) has a hardness of 52 mg/L CaCO3, which is classified as soft. Soft water is gentle on appliances and skin.

Should I use a water filter in HD4?

HD4 water scored 9.5/10 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 HD4 water?

The tap-water tests we hold for HD4 do not include a PFAS result. Environment Agency monitoring found PFAS in 33 river and groundwater samples from 5 sites within 10 km of HD4, the highest being PFBA at 0.013 µg/L about 8.2 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 HD4?

The Environment Agency rated the Holme from New Mill Dike to R Colne 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 phosphate. 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 HD4, which is treated before it reaches homes.

Keep reading

PFAS explainedHow to test your waterBest water filtersFilter shower headsWater testing kitsAll of HuddersfieldUK water rankingsWater hardness checkerWater hardness map

River and groundwater readings near HD4

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.

SubstanceReadingDrinking water limit
pH7.8 pHNone
Temperature13 °CNone
Conductivity156 µS/cmNone
Ammonia0.067 mg/L0.5 mg/L
Nitrate1.1 mg/L50 mg/L
Nitrite0.026 mg/L0.5 mg/L
Phosphate0.046 mg/LNone
Dissolved Oxygen10.1 mg/LNone
Hardness (as CaCO3)65.3 mg/LNone
Copper0.00301 mg/L2 mg/L
Zinc0.0145 mg/LNone

Get alerts for your area

We'll email you when water quality data changes for HD4.

Source: Yorkshire Water test results, published through the Stream Water Data Portal; rivers and PFAS from the Environment Agency. Page updated . How we score · Where the data comes from