WaterWater Hardness in Devon
South West • 82 postcode districts • 3 towns
Slightly Hard
86
Average ppm
28
Minimum ppm
138
Maximum ppm
82
Postcodes
Water Hardness Across Devon
The average water hardness in Devon is 86 ppm, classified as slightly hard. Across 82 postcode districts in the South West region, hardness ranges from 28 ppm to 138 ppm.
Devon is served by South West Water. With slightly hard water, limescale is unlikely to be a major concern in most homes.
Towns in Devon
Water Companies in Devon
All Postcodes in Devon
| Postcode | Town | Hardness | PPM | Level |
|---|---|---|---|---|
| EX39 | Bideford | 138 ppm | Moderately Hard | |
| PL9 | Plymouth | 138 ppm | Moderately Hard | |
| EX38 | Torrington | 137 ppm | Moderately Hard | |
| PL8 | Plymouth | 137 ppm | Moderately Hard | |
| EX37 | Umberleigh | 136 ppm | Moderately Hard | |
| PL7 | Plymouth | 136 ppm | Moderately Hard | |
| EX36 | South Molton | 135 ppm | Moderately Hard | |
| PL6 | Plymouth | 135 ppm | Moderately Hard | |
| EX35 | Lynton | 134 ppm | Moderately Hard | |
| PL5 | Plymouth | 134 ppm | Moderately Hard | |
| EX34 | Ilfracombe | 133 ppm | Moderately Hard | |
| PL4 | Plymouth | 133 ppm | Moderately Hard | |
| EX33 | Braunton | 132 ppm | Moderately Hard | |
| PL3 | Plymouth | 132 ppm | Moderately Hard | |
| EX32 | Barnstaple | 131 ppm | Moderately Hard | |
| PL2 | Plymouth | 131 ppm | Moderately Hard | |
| EX31 | Barnstaple | 130 ppm | Moderately Hard | |
| PL1 | Plymouth | 130 ppm | Moderately Hard | |
| PL35 | Boscastle | 115 ppm | Slightly Hard | |
| PL34 | Tintagel | 114 ppm | Slightly Hard | |
| PL33 | Delabole | 113 ppm | Slightly Hard | |
| PL32 | Camelford | 112 ppm | Slightly Hard | |
| PL31 | Bodmin | 111 ppm | Slightly Hard | |
| PL30 | Bodmin | 110 ppm | Slightly Hard | |
| EX24 | Colyton | 100 ppm | Slightly Hard | |
| EX23 | Bude | 99 ppm | Slightly Hard | |
| EX22 | Holsworthy | 98 ppm | Slightly Hard | |
| EX21 | Beaworthy | 97 ppm | Slightly Hard | |
| EX20 | Okehampton | 96 ppm | Slightly Hard | |
| PL29 | Port Isaac | 86 ppm | Slightly Hard | |
| PL28 | Padstow | 85 ppm | Slightly Hard | |
| PL27 | Wadebridge | 84 ppm | Slightly Hard | |
| EX9 | Budleigh Salterton | 83 ppm | Slightly Hard | |
| PL26 | St Austell | 83 ppm | Slightly Hard | |
| EX8 | Exmouth | 82 ppm | Slightly Hard | |
| PL25 | St Austell | 82 ppm | Slightly Hard | |
| EX7 | Dawlish | 81 ppm | Slightly Hard | |
| PL24 | Par | 81 ppm | Slightly Hard | |
| EX6 | Exeter | 80 ppm | Slightly Hard | |
| PL23 | Fowey | 80 ppm | Slightly Hard | |
| EX5 | Exeter | 79 ppm | Slightly Hard | |
| PL22 | Lostwithiel | 79 ppm | Slightly Hard | |
| EX4 | Exeter | 78 ppm | Slightly Hard | |
| PL21 | Ivybridge | 78 ppm | Slightly Hard | |
| EX3 | Exeter | 77 ppm | Slightly Hard | |
| PL20 | Yelverton | 77 ppm | Slightly Hard | |
| EX2 | Exeter | 76 ppm | Slightly Hard | |
| EX1 | Exeter | 75 ppm | Slightly Hard | |
| TQ9 | Totnes | 74 ppm | Slightly Hard | |
| TQ8 | Salcombe | 73 ppm | Slightly Hard | |
| EX19 | Winkleigh | 72 ppm | Slightly Hard | |
| TQ7 | Kingsbridge | 72 ppm | Slightly Hard | |
| EX18 | Chulmleigh | 71 ppm | Slightly Hard | |
| TQ6 | Dartmouth | 71 ppm | Slightly Hard | |
| EX17 | Crediton | 70 ppm | Slightly Hard | |
| TQ5 | Brixham | 70 ppm | Slightly Hard | |
| EX16 | Tiverton | 69 ppm | Slightly Hard | |
| TQ4 | Paignton | 69 ppm | Slightly Hard | |
| EX15 | Cullompton | 68 ppm | Slightly Hard | |
| TQ3 | Paignton | 68 ppm | Slightly Hard | |
| EX14 | Honiton | 67 ppm | Slightly Hard | |
| TQ2 | Torquay | 67 ppm | Slightly Hard | |
| EX13 | Axminster | 66 ppm | Slightly Hard | |
| TQ1 | Torquay | 66 ppm | Slightly Hard | |
| EX12 | Seaton | 65 ppm | Slightly Hard | |
| EX11 | Ottery St Mary | 64 ppm | Slightly Hard | |
| EX10 | Sidmouth | 63 ppm | Slightly Hard | |
| PL19 | Tavistock | 53 ppm | Soft | |
| PL18 | Gunnislake | 52 ppm | Soft | |
| PL17 | Callington | 51 ppm | Soft | |
| PL16 | Lifton | 50 ppm | Soft | |
| PL15 | Launceston | 49 ppm | Soft | |
| PL14 | Liskeard | 48 ppm | Soft | |
| PL13 | Looe | 47 ppm | Soft | |
| PL12 | Saltash | 46 ppm | Soft | |
| PL11 | Torpoint | 45 ppm | Soft | |
| PL10 | Torpoint | 44 ppm | Soft | |
| TQ14 | Teignmouth | 32 ppm | Soft | |
| TQ13 | Newton Abbot | 31 ppm | Soft | |
| TQ12 | Newton Abbot | 30 ppm | Soft | |
| TQ11 | Buckfastleigh | 29 ppm | Soft | |
| TQ10 | South Brent | 28 ppm | Soft |
Hard Water Guides
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