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tapwater

49mg of limescale minerals in every litre, the median across PH districts

Is Perth a hard water area?

No. Tap water across the PH postcode area is soft, so limescale is not a problem here, with a median of 49 mg/L calcium carbonate. It ranges from 8 mg/L in PH50 to 69 mg/L in PH31, from 29 districts with their own water company reading and 14 estimated from the area.

Soft
0 to 60 mg/L
Moderately soft
60 to 120 mg/L
Slightly hard
120 to 180 mg/L
Hard
180 to 200 mg/L
Very hard
200 to 400 mg/L

Hardness by PH district

Hardest first. Hard starts at 180 mg/L, very hard at 250. Districts marked with an asterisk take the area's median rather than a reading of their own.

DistrictAreamg/LHardness
PH31Highland69moderately soft
PH33Highland69moderately soft
PH49Highland69moderately soft
PH26Highland58soft
PH24Highland58soft
PH20Highland58soft
PH22Highland58soft
PH21Highland58soft
PH23Highland58soft
PH25Highland58soft
PH19Highland55soft
PH9Perth and Kinross53soft
PH18Perth and Kinross53soft
PH11*Perth and Kinross49soft
PH17*Perth and Kinross49soft
PH44*Highland49soft
PH37*Highland49soft
PH2Perth and Kinross49soft
PH36*Highland49soft
PH16*Perth and Kinross49soft
PH8Perth and Kinross49soft
PH14*Perth and Kinross49soft
PH1Perth and Kinross49soft
PH38*Highland49soft
PH34*Highland49soft
PH42*Highland49soft
PH15*Perth and Kinross49soft
PH43*Highland49soft
PH35*Highland49soft
PH30*Highland49soft
PH32Highland29soft
PH13Perth and Kinross27soft
PH12Angus27soft
PH10Perth and Kinross27soft
PH4Perth and Kinross17soft
PH5Perth and Kinross17soft
PH3Perth and Kinross17soft
PH7Perth and Kinross17soft
PH6Perth and Kinross17soft
PH40Highland10soft
PH39Highland10soft
PH41Highland10soft
PH50Highland8soft

You do not need a softener in Perth.

At 49 mg/L the practical effects are minor. If you notice anything, it is usually chlorine rather than hardness: a shower filter or a filter jug deals with that.

Check your exact postcode

The area figure is a median. Your district can sit anywhere between 8 and 69 mg/L.

Nearby areas

Falkirk 17Inverness 13Glasgow 16Paisley 26Kirkcaldy 58Dundee 31

Questions about Perth water

Is Perth a hard water area?

No. The median hardness across PH postcode districts is 49 mg/L calcium carbonate, which is soft. 0% of the 43 districts we hold readings for are hard or very hard (180 mg/L and above).

What is the water hardness in Perth?

Between 8 and 69 mg/L depending on the district, with a median of 49. The hardest measured district is PH31 at 69 mg/L and the softest is PH50 at 8. Figures come from water company drinking-water tests, with postcode-area estimates for districts that have no reading of their own.

Do I need a water softener in Perth?

Usually not. At a median of 49 mg/L limescale is a minor issue in Perth. A filter jug or a shower filter covers the everyday effects. Only districts at 180 mg/L or above are worth a softener quote.

Hardness as mg/L calcium carbonate from water company drinking-water tests and postcode checkers. See the UK hardness map for every area.