- Brendon
- Ilfracombe
- Bradiford
- Barnstaple Raleigh Meadow
- Kenwith Valley
- Kenwith Valley
- Kenwith Outfall PS
- Exebridge
- Cullompton Langlands
- Membury
- Broomhill GS
- Salston GS
- Exeter Pinhoe Trading Estate
- Seaton Tidal
- Exeter Countess Wear Waring Bowen Court
- Goosemoor GS
- Roadford
- Pophams GS
- Staplake GS
- Duckaller Weir C GS
- Palmers Dam
- Plymouth
- Aller Brook, Kingskerswell
- Bradiford Water, Plaistow Mill
- Budleigh Brook, Budleigh Brook
- Budleigh Brook, East Budleigh
- Cole Brook, Cullompton Swallow Way
- Coney Gut, Portmarsh Lane
- Coney Gut, Coney Gut
- Dawlish Water, Dawlish
- Dean Burn, Buckfastleigh Kingcombe Court
- East Dart River, Bellever
- East Lyn River, Brendon
- East Okement River, Okehampton Mill Road
- East Wilder Brook, Ilfracombe Lambda
- Exe Estuary, Lympstone
- Exminster Marshes, Limekilns
- Exminster Marshes, Swans Nest
- Ford Stream, Rockbeare Bridge
- Glen Stream, Honiton
- Halford Stream, Landkey Newland Tanners Road
- Hele Stream, Ilfracombe Hele Witheridge Place
- Higher Brixham Watercourse, Higher Brixham Horsepool Street
- Kenwith Stream, Kenwith Castle
- Kingsbridge North Watercourse, Kingsbridge Duncombe Street
- Knowle Stream, Budleigh Salterton Station Road
- Landkey Brook, Swimbridge
- Little Dart River, Chulmleigh
- Long Brook, Plympton
- Mill Brook, Axminster Wilhay Lane
- Otterton Brook, Otterton Fore Street Gibbonhole
- River Ashburn, Ashburton Upper
- River Ashburn, Ashburton Lower
- River Avon, Didworthy
- River Avon, Loddiswell
- River Axe, Weycroft Bridge
- River Axe, Whitford Bridge
- River Batherm, Bampton Bridge
- River Bovey, North Bovey
- River Bovey, Bovey Parke
- River Bovey Tributary, Bovey Tracey Wifford Footbridge
- River Bray, Leehamford
- River Bray, Newtown Bridge
- River Caen, Stoneybridge
- River Caen, Braunton Butts Bridge
- River Caen (Tidal), Braunton
- River Clyst, Ashclyst
- River Clyst, Withy Bridge
- River Clyst, Clyst Honiton
- River Clyst Tributary, Clyst St Mary Millstream Footbridge
- River Clyst Tributary, Clyst St Mary Millstream Outfall
- River Coly, Bonehayne
- River Creedy, Upton Hellions
- River Creedy, Cowley Bridge
- River Culm, Culmstock
- River Culm, Woodmill
- River Culm, Bradninch Hele Station Road
- River Culm, Rewe
- River Dart, Austins Bridge
- River Erme, Harford
- River Erme, Ermington
- River Exe, Stoodleigh
- River Exe, Tiverton
- River Exe, Thorverton
- River Exe, Exeter Pynes Stafford Bridge
- River Exe, Trews Weir
- River Exe, Topsham
- River Harbourne, Rolster Bridge
- River Harbourne, Harbertonford Bridge
- River Harbourne, Palmers Dam
- River Harbourne Tributary, Harbertonford Church
- River Kenn Tributary, Kennford
- River Lemon, Bickington
- River Lemon, Templers Road
- River Lemon, Holbeam Dam Downstream
- River Lemon, Holbeam Dam
- River Lemon, Union Bridge
- River Lew, Gribbleford Bridge
- River Lim, Uplyme
- River Lyd, Lifton Park
- River Mardle, Buckfastleigh
- River Mole, North Molton
- River Mole, Mole Mills
- River Mole, Woodleigh
- River North Lew, Norley Bridge
- River Okement, Jacobstowe
- River Otter, Fenny Bridges
- River Otter, Dotton
- River Otter, Budleigh South Farm Road White Bridge
- River Plym, Carnwood
- River Sid, Sidbury
- River Sid, Sidmouth
- River Tale, Fairmile
- River Tamar, Tamarstone Bridge
- River Tamar, Bridge Rule
- River Tamar, Greystone Bridge
- River Tamar, Gunnislake
- River Tavy, Mary Tavy
- River Tavy, Tavistock
- River Tavy, Denham Ludbrook
- River Taw, Barnstaple Tide Gauge
- River Taw, Umberleigh
- River Taw, Newnham Bridge
- River Taw, Taw Bridge
- River Taw, Sticklepath
- River Teign, Clifford Bridge
- River Teign, Chagford Drogo Iron Bridge
- River Teign, Coombe Cellars
- River Thrushel, Hayne Bridge
- River Thrushel, Tinhay
- River Torridge, Weare Giffard
- River Torridge, Torrington
- River Torridge, Dolton
- River Torridge, Rockhay Bridge
- River Umber, Combe Martin Bowling Green Lane
- River Waldon, Bradworthy
- River Wolf, Germansweek
- River Yarty, Court Place Farm
- River Yealm, Cornwood
- River Yealm, Puslinch
- River Yeo, Collard Bridge
- River Yeo, Lapford
- River Yeo, Yeoford
- Shutterton Brook, Dawlish Warren Secmaton Lane
- South Devon Coast, Exmouth
- Spratford Stream, Tiverton Parkway
- The Gissage, Honiton
- Tide, Ilfracombe
- Tide, Teignmouth
- Tide, Torquay Outer
- Tide, Totnes
- Tide, Plymouth
- Tide, Dartmouth
- Tide, Kingsbridge
- Tide, Salcombe
- Tory Brook, Newnham Park
- Umborne Brook, Wilmington
- West Dart River, Dunnabridge
- West Lyn River, Barbrook Bridge
- West Okement River, Meldon
- Withycombe Brook, Exmouth Phear Park
- Wool Brook, Sidmouth Higher Woolbrook Road
- Wotton Brook, Lympstone Longbrook Lane
- Yeolands Stream, Harbertonford Yeolands
Monitoring stations that do not have up to date data are shown in italics.
