Water Hardness in Merseyside

Water Hardness Across Merseyside

The average water hardness in Merseyside is 73 ppm, classified as slightly hard. Across 40 postcode districts in the North West region, hardness ranges from 34 ppm to 131 ppm.

Merseyside is served by United Utilities. With slightly hard water, limescale is unlikely to be a major concern in most homes.

Hardness across Merseyside ranges from 34 ppm to 131 ppm by postcode district. The county spans 1 towns and 40 postcode districts in total.

At 73 ppm, Merseyside ranks as slightly hard water nationally. Compare it against the 50 softest water areas in the UK.

By town

Towns in Merseyside

Sorted by hardness — tap a town for full details.

Town	Hardness	PPM	Level
Liverpool	73	73 ppm	Slightly Hard

Suppliers

Water Companies in Merseyside

Companies supplying water to this county.

United Utilities

77 ppm Slightly Hard

All postcodes

Postcodes in Merseyside

Every postcode district in the county, sorted by hardness.

Postcode	Town	Hardness	PPM	Level
L19	Liverpool	131	131 ppm	Moderately Hard
L18	Liverpool	130	130 ppm	Moderately Hard
L17	Liverpool	129	129 ppm	Moderately Hard
L16	Liverpool	128	128 ppm	Moderately Hard
L15	Liverpool	127	127 ppm	Moderately Hard
L14	Liverpool	126	126 ppm	Moderately Hard
L13	Liverpool	125	125 ppm	Moderately Hard
L12	Liverpool	124	124 ppm	Moderately Hard
L11	Liverpool	123	123 ppm	Moderately Hard
L10	Liverpool	122	122 ppm	Moderately Hard
L40	Ormskirk	100	100 ppm	Slightly Hard
L39	Ormskirk	76	76 ppm	Slightly Hard
L38	Liverpool	75	75 ppm	Slightly Hard
L37	Liverpool	74	74 ppm	Slightly Hard
L36	Liverpool	73	73 ppm	Slightly Hard
L35	Prescot	72	72 ppm	Slightly Hard
L34	Prescot	71	71 ppm	Slightly Hard
L33	Liverpool	70	70 ppm	Slightly Hard
L32	Liverpool	69	69 ppm	Slightly Hard
L31	Liverpool	68	68 ppm	Slightly Hard
L30	Bootle	67	67 ppm	Slightly Hard
L9	Liverpool	54	54 ppm	Soft
L8	Liverpool	53	53 ppm	Soft
L7	Liverpool	52	52 ppm	Soft
L6	Liverpool	51	51 ppm	Soft
L5	Liverpool	50	50 ppm	Soft
L4	Liverpool	49	49 ppm	Soft
L3	Liverpool	48	48 ppm	Soft
L2	Liverpool	47	47 ppm	Soft
L1	Liverpool	46	46 ppm	Soft
L29	Liverpool	43	43 ppm	Soft
L28	Liverpool	42	42 ppm	Soft
L27	Liverpool	41	41 ppm	Soft
L26	Liverpool	40	40 ppm	Soft
L25	Liverpool	39	39 ppm	Soft
L24	Liverpool	38	38 ppm	Soft
L23	Liverpool	37	37 ppm	Soft
L22	Liverpool	36	36 ppm	Soft
L21	Liverpool	35	35 ppm	Soft
L20	Bootle	34	34 ppm	Soft

Test Your Water in Merseyside

At 73 ppm on average, your water is slightly hard. A home testing kit lets you verify the exact hardness for your postcode and check for other contaminants.

TESPERT 16-in-1 Water Testing Kit

From ~£10

Home water test strips that check hardness, pH, chlorine, lead, and 12 other parameters. Results in around 60 seconds. 125 strips per pack.

View on Amazon

FAQ

Water Hardness in Merseyside: Common Questions

Is the water in Merseyside hard or soft?

Merseyside has slightly hard water, averaging 73 ppm across 40 postcode districts. Limescale build-up is minimal at this level, though individual postcodes vary.

Where is the hardest water in Merseyside?

Across Merseyside, water hardness ranges from 34 ppm to 131 ppm by postcode district.

Which water company supplies Merseyside?

Merseyside is supplied by United Utilities. You can check each supplier's reported hardness figures on their water company page.

Do I need a water softener in Merseyside?

At 73 ppm, Merseyside has soft water and a whole-house softener is not needed.

What is the average water hardness in Merseyside?

The average water hardness in Merseyside is 73 ppm (parts per million), classified as slightly hard. It ranges from 34 ppm to 131 ppm across 40 postcode districts in the North West region.

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