South West Water Water Hardness

Devon & Cornwall • 129 postcodes served

Slightly Hard

Average ppm

Minimum ppm

138

Maximum ppm

129

Postcodes Served

About South West Water

South West Water serves 1.8 million customers across Devon and Cornwall. The region's granite geology produces naturally soft water, among the softest in England.

Hardness Distribution

Soft (20%)

Slightly Hard (66%)

Moderate (14%)

Hard (0%)

Very Hard (0%)

All Areas Served by South West Water

Postcode	Town	Hardness	PPM	Level
EX39	Bideford	138 ppm	138 ppm	Moderately Hard
PL9	Plymouth	138 ppm	138 ppm	Moderately Hard
EX38	Torrington	137 ppm	137 ppm	Moderately Hard
PL8	Plymouth	137 ppm	137 ppm	Moderately Hard
EX37	Umberleigh	136 ppm	136 ppm	Moderately Hard
PL7	Plymouth	136 ppm	136 ppm	Moderately Hard
EX36	South Molton	135 ppm	135 ppm	Moderately Hard
PL6	Plymouth	135 ppm	135 ppm	Moderately Hard
EX35	Lynton	134 ppm	134 ppm	Moderately Hard
PL5	Plymouth	134 ppm	134 ppm	Moderately Hard
EX34	Ilfracombe	133 ppm	133 ppm	Moderately Hard
PL4	Plymouth	133 ppm	133 ppm	Moderately Hard
EX33	Braunton	132 ppm	132 ppm	Moderately Hard
PL3	Plymouth	132 ppm	132 ppm	Moderately Hard
EX32	Barnstaple	131 ppm	131 ppm	Moderately Hard
PL2	Plymouth	131 ppm	131 ppm	Moderately Hard
EX31	Barnstaple	130 ppm	130 ppm	Moderately Hard
PL1	Plymouth	130 ppm	130 ppm	Moderately Hard
PL35	Boscastle	115 ppm	115 ppm	Slightly Hard
PL34	Tintagel	114 ppm	114 ppm	Slightly Hard
PL33	Delabole	113 ppm	113 ppm	Slightly Hard
PL32	Camelford	112 ppm	112 ppm	Slightly Hard
PL31	Bodmin	111 ppm	111 ppm	Slightly Hard
PL30	Bodmin	110 ppm	110 ppm	Slightly Hard
TR27	Hayle	109 ppm	109 ppm	Slightly Hard
TR26	St Ives	108 ppm	108 ppm	Slightly Hard
TR9	St Columb	107 ppm	107 ppm	Slightly Hard
TR8	Newquay	106 ppm	106 ppm	Slightly Hard
TR7	Newquay	105 ppm	105 ppm	Slightly Hard
TR6	Perranporth	104 ppm	104 ppm	Slightly Hard
TR21	Isles Of Scilly	103 ppm	103 ppm	Slightly Hard
TR5	St Agnes	103 ppm	103 ppm	Slightly Hard
TR20	Penzance	102 ppm	102 ppm	Slightly Hard
TR4	Truro	102 ppm	102 ppm	Slightly Hard
TR3	Truro	101 ppm	101 ppm	Slightly Hard
EX24	Colyton	100 ppm	100 ppm	Slightly Hard
TR2	Truro	100 ppm	100 ppm	Slightly Hard
EX23	Bude	99 ppm	99 ppm	Slightly Hard
TR1	Truro	99 ppm	99 ppm	Slightly Hard
EX22	Holsworthy	98 ppm	98 ppm	Slightly Hard
EX21	Beaworthy	97 ppm	97 ppm	Slightly Hard
EX20	Okehampton	96 ppm	96 ppm	Slightly Hard
PL29	Port Isaac	86 ppm	86 ppm	Slightly Hard
PL28	Padstow	85 ppm	85 ppm	Slightly Hard
PL27	Wadebridge	84 ppm	84 ppm	Slightly Hard
EX9	Budleigh Salterton	83 ppm	83 ppm	Slightly Hard
PL26	St Austell	83 ppm	83 ppm	Slightly Hard
EX8	Exmouth	82 ppm	82 ppm	Slightly Hard
PL25	St Austell	82 ppm	82 ppm	Slightly Hard
EX7	Dawlish	81 ppm	81 ppm	Slightly Hard
PL24	Par	81 ppm	81 ppm	Slightly Hard
EX6	Exeter	80 ppm	80 ppm	Slightly Hard
PL23	Fowey	80 ppm	80 ppm	Slightly Hard
EX5	Exeter	79 ppm	79 ppm	Slightly Hard
PL22	Lostwithiel	79 ppm	79 ppm	Slightly Hard
EX4	Exeter	78 ppm	78 ppm	Slightly Hard
PL21	Ivybridge	78 ppm	78 ppm	Slightly Hard
TR19	Penzance	78 ppm	78 ppm	Slightly Hard
EX3	Exeter	77 ppm	77 ppm	Slightly Hard
PL20	Yelverton	77 ppm	77 ppm	Slightly Hard
TR18	Penzance	77 ppm	77 ppm	Slightly Hard
EX2	Exeter	76 ppm	76 ppm	Slightly Hard
TR17	Marazion	76 ppm	76 ppm	Slightly Hard
EX1	Exeter	75 ppm	75 ppm	Slightly Hard
TR16	Redruth	75 ppm	75 ppm	Slightly Hard
TQ9	Totnes	74 ppm	74 ppm	Slightly Hard
TR15	Redruth	74 ppm	74 ppm	Slightly Hard
TQ8	Salcombe	73 ppm	73 ppm	Slightly Hard
TR14	Camborne	73 ppm	73 ppm	Slightly Hard
EX19	Winkleigh	72 ppm	72 ppm	Slightly Hard
TQ7	Kingsbridge	72 ppm	72 ppm	Slightly Hard
TR13	Helston	72 ppm	72 ppm	Slightly Hard
EX18	Chulmleigh	71 ppm	71 ppm	Slightly Hard
TQ6	Dartmouth	71 ppm	71 ppm	Slightly Hard
TR12	Helston	71 ppm	71 ppm	Slightly Hard
EX17	Crediton	70 ppm	70 ppm	Slightly Hard
TA9	Highbridge	70 ppm	70 ppm	Slightly Hard
TQ5	Brixham	70 ppm	70 ppm	Slightly Hard
TR11	Falmouth	70 ppm	70 ppm	Slightly Hard
EX16	Tiverton	69 ppm	69 ppm	Slightly Hard
TA8	Burnham On Sea	69 ppm	69 ppm	Slightly Hard
TQ4	Paignton	69 ppm	69 ppm	Slightly Hard
TR10	Penryn	69 ppm	69 ppm	Slightly Hard
EX15	Cullompton	68 ppm	68 ppm	Slightly Hard
TA7	Bridgwater	68 ppm	68 ppm	Slightly Hard
TQ3	Paignton	68 ppm	68 ppm	Slightly Hard
EX14	Honiton	67 ppm	67 ppm	Slightly Hard
TA6	Bridgwater	67 ppm	67 ppm	Slightly Hard
TQ2	Torquay	67 ppm	67 ppm	Slightly Hard
EX13	Axminster	66 ppm	66 ppm	Slightly Hard
TA5	Bridgwater	66 ppm	66 ppm	Slightly Hard
TQ1	Torquay	66 ppm	66 ppm	Slightly Hard
EX12	Seaton	65 ppm	65 ppm	Slightly Hard
TA4	Taunton	65 ppm	65 ppm	Slightly Hard
EX11	Ottery St Mary	64 ppm	64 ppm	Slightly Hard
TA24	Minehead	64 ppm	64 ppm	Slightly Hard
TA3	Taunton	64 ppm	64 ppm	Slightly Hard
EX10	Sidmouth	63 ppm	63 ppm	Slightly Hard
TA2	Taunton	63 ppm	63 ppm	Slightly Hard
TA23	Watchet	63 ppm	63 ppm	Slightly Hard
TA1	Taunton	62 ppm	62 ppm	Slightly Hard
TA22	Dulverton	62 ppm	62 ppm	Slightly Hard
TA21	Wellington	61 ppm	61 ppm	Slightly Hard
TA20	Chard	60 ppm	60 ppm	Soft
PL19	Tavistock	53 ppm	53 ppm	Soft
PL18	Gunnislake	52 ppm	52 ppm	Soft
PL17	Callington	51 ppm	51 ppm	Soft
PL16	Lifton	50 ppm	50 ppm	Soft
PL15	Launceston	49 ppm	49 ppm	Soft
PL14	Liskeard	48 ppm	48 ppm	Soft
PL13	Looe	47 ppm	47 ppm	Soft
PL12	Saltash	46 ppm	46 ppm	Soft
PL11	Torpoint	45 ppm	45 ppm	Soft
PL10	Torpoint	44 ppm	44 ppm	Soft
TA19	Ilminster	36 ppm	36 ppm	Soft
TA18	Crewkerne	35 ppm	35 ppm	Soft
TA17	Hinton St George	34 ppm	34 ppm	Soft
TA16	Merriott	33 ppm	33 ppm	Soft
TA15	Montacute	32 ppm	32 ppm	Soft
TQ14	Teignmouth	32 ppm	32 ppm	Soft
TA14	Stoke Sub Hamdon	31 ppm	31 ppm	Soft
TQ13	Newton Abbot	31 ppm	31 ppm	Soft
TA13	South Petherton	30 ppm	30 ppm	Soft
TQ12	Newton Abbot	30 ppm	30 ppm	Soft
TA12	Martock	29 ppm	29 ppm	Soft
TQ11	Buckfastleigh	29 ppm	29 ppm	Soft
TA11	Somerton	28 ppm	28 ppm	Soft
TQ10	South Brent	28 ppm	28 ppm	Soft
TA10	Langport	27 ppm	27 ppm	Soft

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