North Devon - 2025 Sewage

Polluted by sewage 28,674 hours in 2025 - That's 3.32 years

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in North Devon for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

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Constituencies near North Devon

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for North Devon, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Total Duration (days)
South West Water BRAYFORD STW_SO_BRAYFORD River Bray 144 3,027 h 52m 126.12
South West Water BRAYFORD STW_SO_BRAYFORD River Bray 68 1,595 h 48m 66.46
South West Water COBBATON STW_SO_COBBATON Hawkridge Brook 62 1,211 h 11m 50.46
South West Water SOUTH MOLTON STW_SSO_SOUTH MOLTON River Mole 94 1,158 h 29m 48.25
South West Water CHULMLEIGH STW_SSO_CHULMLEIGH Little Dart River 79 1,150 h 47m 47.92
South West Water COBBATON STW_SO_COBBATON Hawkridge Brook 50 1,026 h 33m 42.75
South West Water WITHERIDGE STW_SSO_WITHERIDGE Stream Joining Lower Little Dart River 48 958 h 8m 39.92
South West Water SOUTH MOLTON STW_SSO_SOUTH MOLTON River Mole 44 865 h 37m 36.04
South West Water KNOWLE STW_SSO_BRAUNTON River Caen 37 805 h 36m 33.54
South West Water CHULMLEIGH STW_SSO_CHULMLEIGH Little Dart River 39 762 h 34m 31.75
South West Water BRATTON FLEMING STW_SO_BRATTON FLEMING Unknown 39 738 h 29m 30.75
South West Water WOOLACOMBE SPS_PSCSOEO_WOOLACOMBE Bristol Channel 34 707 h 6m 29.46
South West Water CROYDE STW_SO_CROYDE Croyde Bay 46 655 h 2m 27.29
South West Water CHITTLEHAMHOLT STW_SO_CHITTLEHAMHOLT Unknown 55 611 h 37m 25.46
South West Water MUDDIFORD SPS_PSCSOEO_MUDDIFORD Colam Stream 47 607 h 38m 25.29
South West Water MIDDLE MARWOOD STW_SSO_MARWOOD Knowle Water 30 603 h 11m 25.12
South West Water WEST BUCKLAND STW_SO_BARNSTAPLE River Mole 67 598 h 17m 24.92
South West Water MUDDIFORD SPS_PSCSOEO_MUDDIFORD Colam Stream 30 594 h 18m 24.75
South West Water CROYDE STW_SO_CROYDE Croyde Bay 105 593 h 14m 24.71
South West Water NORTH MOLTON STW_SSO_NORTH MOLTON River Mole 37 579 h 5m 24.12
South West Water ASHFORD STW_SSO_BARNSTAPLE River Taw Estuary 32 531 h 46m 22.12
South West Water WEST BUCKLAND STW_SO_BARNSTAPLE River Mole 33 520 h 55m 21.67
South West Water BRATTON FLEMING STW_SO_BRATTON FLEMING Unknown 24 453 h 13m 18.88
South West Water CROSS STREET SPS_PSCSOEO_COMBE MARTIN River Umber 25 446 h 22m 18.58
South West Water ASHFORD STW_SSO_BARNSTAPLE River Taw Estuary 46 444 h 46m 18.5
South West Water NORTH MOLTON STW_SSO_NORTH MOLTON River Mole 46 438 h 36m 18.25
South West Water CHITTLEHAMHOLT STW_SO_CHITTLEHAMHOLT Unknown 25 367 h 18m 15.29
South West Water SOUTH MOLTON STW_SO_SOUTH MOLTON River Mole 83 362 h 4m 15.08
South West Water PACK OF CARDS_CSO_COMBE MARTIN River Umber 17 339 h 44m 14.12
South West Water CHITTLEHAMPTON STW_SSO_CHITTLEHAMPTON Hawkbridge Brook 23 312 h 11m 13
South West Water BURRINGTON STW_SO_BURRINGTON Mully Brook 73 292 h 9m 12.17
South West Water ATHERINGTON STW_SO_ATHERINGTON Chantry Stream 23 291 h 51m 12.12
South West Water CHITTLEHAMPTON STW_SSO_CHITTLEHAMPTON Hawkbridge Brook 33 287 h 43m 11.96
South West Water BURRINGTON STW_SO_BURRINGTON Mully Brook 34 284 h 8m 11.83
South West Water LANDKEY SPS_PSCSOEO_LANDKEY River Venn 24 250 h 59m 10.42
South West Water ATHERINGTON STW_SO_ATHERINGTON Chantry Stream 38 237 h 59m 9.88
South West Water WESTLEIGH SPS_PSCSOEO_BIDEFORD River Torridge Estuary 14 183 h 34m 7.62
South West Water SOUTH MOLTON STW_SO_SOUTH MOLTON River Mole 29 182 h 19m 7.58
South West Water WOOLACOMBE SPS_PSCSOEO_WOOLACOMBE Bristol Channel 15 165 h 52m 6.88
South West Water GOLF COURSE_CSO_CHULMLEIGH Little Dart River 23 157 h 40m 6.54
South West Water MUDDLEBRIDGE_CSO_FREMINGTON Bryn Brook 12 155 h 27m 6.46
South West Water ANCHORWOOD SPS_PSCSOEO_BARNSTAPLE River Taw Estuary 55 150 h 1m 6.25
South West Water WESTDOWN STW_SSO_WEST DOWN Unnamed River Caen 87 147 h 29m 6.12
South West Water GEORGE NYMPTON STW_SSO_GEORGE NYMPTON River Mole 20 147 h 7m 6.12
South West Water KNOWSTONE EAST STW_SO_KNOWSTONE Crooked Oak 58 144 h 25m 6
South West Water MIDDLE MARWOOD STW_SSO_MARWOOD Knowle Water 8 138 h 20m 5.75
South West Water KNOWSTONE EAST STW_SO_KNOWSTONE Crooked Oak 25 119 h 3m 4.96
South West Water LYNMOUTH STW_SSO_LYNMOUTH Lynmouth Bay 23 112 h 50m 4.67
South West Water RACKENFORD STW_SSO_RACKENFORD Of Little Dart River 29 110 h 20m 4.58
South West Water LANDKEY SPS_PSCSOEO_LANDKEY River Venn 28 106 h 37m 4.42
South West Water GOLF COURSE_CSO_CHULMLEIGH Little Dart River 46 103 h 7m 4.29
South West Water ANCHORWOOD SPS_PSCSOEO_BARNSTAPLE River Taw Estuary 27 97 h 6m 4.04
South West Water BASKET SHOP SPS_PSCSOEO_LYNMOUTH Lynmouth Bay 25 95 h 2m 3.96
South West Water FREMINGTON BRIDGE SPS_PSCSOEO_FREMINGTON Bickleton Stream 12 90 h 14m 3.75
South West Water PRIXFORD SPS_PSCSOEO_PRIXFORD Knowle Water 7 78 h 25m 3.25
South West Water MUDDLEBRIDGE_CSO_FREMINGTON Bryn Brook 12 74 h 59m 3.08
South West Water MOLLAND WEST STW_SO_MOLLAND Unnamed Watercourse 22 74 h 11m 3.08
South West Water PRIXFORD SPS_PSCSOEO_PRIXFORD Knowle Water 6 73 h 56m 3.04
South West Water WESTDOWN STW_SSO_WEST DOWN Unnamed River Caen 27 70 h 23m 2.92
South West Water HELE BAY SPS_PSCSOEO_ILFRACOMBE Hele Bay - Bristol Channel 17 68 h 37m 2.83
South West Water CROSS STREET SPS_PSCSOEO_COMBE MARTIN River Umber 10 67 h 53m 2.79
South West Water GEORGE NYMPTON STW_SSO_GEORGE NYMPTON River Mole 24 64 h 54m 2.67
South West Water BASKET SHOP SPS_PSCSOEO_LYNMOUTH Lynmouth Bay 11 63 h 9m 2.62
South West Water POTTINGTON EST SPS_PSCSOEO_BARNSTAPLE Taw Estuary 21 56 h 54m 2.33
South West Water HARBOUR LARKSTONE LN_CSO_ILFRACOMBE Ilfracombe Harbour 17 56 h 40m 2.33
South West Water SAUNTON RD SPS_PSCSOEO_BRAUNTON Sir Arthur'S Pill 16 49 h 5m 2.04
South West Water LYNMOUTH STW_SSO_LYNMOUTH Lynmouth Bay 14 48 h 36m 2
South West Water EAST STREET A SPS_PSCSOEO_CHULMLEIGH2 Little Dart River 16 42 h 12m 1.75
South West Water KINGS NYMPTON SOUTH STW_SSO_KINGS NYMPTON River Taw 10 41 h 9m 1.71
South West Water KINGS NYMPTON SOUTH STW_SSO_KINGS NYMPTON River Taw 10 40 h 29m 1.67
South West Water ALSWEAR NO 1 STW_SO_ALSWEAR River Mole 19 37 h 47m 1.54
South West Water ALSWEAR NO 1 STW_SO_ALSWEAR River Mole 12 36 h 29m 1.5
South West Water INSTOW A SPS_PSCSOEO_INSTOW River Torridge Estuary 10 36 h 16m 1.5
South West Water YEO MILL STW_SO_WEST ANSTEY River Yeo 10 32 h 45m 1.33
South West Water POTTINGTON EST SPS_PSCSOEO_BARNSTAPLE Taw Estuary 12 31 h 45m 1.29
South West Water WEST STREET SPS_PSCSOEO_SOUTH MOLTON Nadrid Water 8 30 h 43m 1.25
South West Water BISHOPS TAWTON SPS_PSCSOEO_BARNSTAPLE River Venn 10 28 h 37m 1.17
South West Water CROYDE STW_PSCSOEO_CROYDE Croyde Bay 5 26 h 18m 1.08
South West Water FREMINGTON BRIDGE SPS_PSCSOEO_FREMINGTON Bickleton Stream 3 24 h 1
South West Water COMBREW LANE_CSO_BARNSTAPLE Bryn Brook 8 20 h 53m 0.83
South West Water BISHOPS NYMPTON STW_SO_BISHOPS NYMPTON Unknown 14 20 h 29m 0.83
South West Water CROYDE STW_PSCSOEO_CROYDE Croyde Bay 4 19 h 52m 0.79
South West Water BISHOPS NYMPTON STW_SO_BISHOPS NYMPTON Unknown 19 17 h 38m 0.71
South West Water PARRACOMBE STW_SSO_PARRACOMBE Unknown 7 17 h 32m 0.71
South West Water RACKENFORD STW_SSO_RACKENFORD Of Little Dart River 6 14 h 24m 0.58
South West Water CHITTLEHAMPTON_CSO_UMBERLEIGH Hawkridge Brook 24 13 h 55m 0.54
South West Water HARBOUR LARKSTONE LN_CSO_ILFRACOMBE Ilfracombe Harbour 12 13 h 52m 0.54
South West Water SAUNTON RD SPS_PSCSOEO_BRAUNTON Sir Arthur'S Pill 9 13 h 48m 0.54
South West Water EAST STREET_CSO_NORTH MOLTON River Mole 27 13 h 18m 0.54
South West Water STOKE RIVERS STW_SO_STOKE RIVERS River Yeo 7 12 h 37m 0.5
South West Water EAST STREET A SPS_PSCSOEO_CHULMLEIGH2 Little Dart River 9 12 h 5m 0.5
South West Water VELATOR SPST_PSCSOEO_BRAUNTON Tidal River Caen 13 9 h 33m 0.38
South West Water WEST STREET SPS_PSCSOEO_SOUTH MOLTON Nadrid Water 6 9 h 14m 0.38
South West Water YELLAND SPS_PSCSOEO_BARNSTAPLE River Taw Estuary 14 8 h 30m 0.33
South West Water BISHOPS TAWTON SPS_PSCSOEO_BARNSTAPLE River Venn 7 8 h 6m 0.33
South West Water EAST STREET_CSO_NORTH MOLTON River Mole 12 7 h 16m 0.29
South West Water KINGS NYMPTON NORTH STW_SO_KINGS NYMPTON River Mole 9 6 h 48m 0.25
South West Water LOWER PARK ROAD SPS_PSCSOEO_BRAUNTON Knowl Water 4 6 h 31m 0.25
South West Water INSTOW A SPS_PSCSOEO_INSTOW River Torridge Estuary 1 5 h 59m 0.21
South West Water YEO MILL STW_SO_WEST ANSTEY River Yeo 4 5 h 43m 0.21
South West Water HELE BAY SPS_PSCSOEO_ILFRACOMBE Hele Bay - Bristol Channel 8 4 h 49m 0.17
South West Water CHITTLEHAMPTON_CSO_UMBERLEIGH Hawkridge Brook 10 4 h 21m 0.17
South West Water PACK OF CARDS_CSO_COMBE MARTIN River Umber 4 3 h 50m 0.12
South West Water WESTLEIGH SPS_PSCSOEO_BIDEFORD River Torridge Estuary 3 3 h 3m 0.12
South West Water YELLAND SPS_PSCSOEO_BARNSTAPLE River Taw Estuary 3 2 h 52m 0.08
South West Water VELATOR BRIDGE BRAUNTON_CSO_BARNSTAPLE Knowl Water Tidal Caen 4 2 h 45m 0.08
South West Water PARRACOMBE STW_SSO_PARRACOMBE Unknown 2 2 h 14m 0.08
South West Water VELATOR SPST_PSCSOEO_BRAUNTON Tidal River Caen 6 2 h 9m 0.08
South West Water MOLLAND WEST STW_SO_MOLLAND Unnamed Watercourse 5 2 h 7m 0.08
South West Water ROCK PARK SPS_PSCSOEO_BARNSTAPLE Taw Estuary 3 1 h 41m 0.04
South West Water MARKET PLACE_CSO_LYNTON Lady Well Stream 4 1 h 9m 0.04
South West Water PILTON QUAY_CSO_BARNSTAPLE Tidal River Yeo 2 1 h 7m 0.04
South West Water COMBREW LANE_CSO_BARNSTAPLE Bryn Brook 2 1 h 1m 0.04
South West Water GOODLEIGH STW_SO_GOODLEIGH Goodleigh Stream 3 1 h 0.04
South West Water BERRYNARBOR SPST_PSCSOEO_BERRYNARBOR Unnamed Stream 2 0 h 56m 0
South West Water SWIMBRIDGE SPS_PSCSOEO_SWIMBRIDGE Venn River 1 0 h 48m 0
South West Water OAKLAND PARK_CSO_BARNSTAPLE River Taw Estuary 3 0 h 46m 0
South West Water MARKET PLACE_CSO_LYNTON Lady Well Stream 1 0 h 45m 0
South West Water KNOWLE STW_SSO_BRAUNTON River Caen 1 0 h 33m 0
South West Water ROCK PARK SPS_PSCSOEO_BARNSTAPLE Taw Estuary 1 0 h 29m 0
South West Water LOWER PARK ROAD SPS_PSCSOEO_BRAUNTON Knowl Water 2 0 h 28m 0
South West Water COOKS CROSS_CSO_SOUTH MOLTON Nardridwater Via Sws 5 0 h 27m 0
South West Water EAST STREET A SPS_PSCSOEO_CHULMLEIGH Little Dart 1 0 h 27m 0
South West Water EAST STREET A SPS_PSCSOEO_CHULMLEIGH Little Dart 2 0 h 24m 0
South West Water VELATOR BRIDGE BRAUNTON_CSO_BARNSTAPLE Knowl Water Tidal Caen 1 0 h 18m 0
South West Water SOUTH ST_CSO_SOUTH MOLTON Nadrid Water 2 0 h 18m 0
South West Water BURRINGTON_CSO_BURRINGTON River Taw 0 0 h 0
South West Water PROMENADE_CSO_ILFRACOMBE West Wilder Brook 0 0 h 0
South West Water OAKLAND PARK_CSO_BARNSTAPLE River Taw Estuary 0 0 h 0
South West Water SWIMBRIDGE SPS_PSCSOEO_SWIMBRIDGE Venn River 0 0 h 0
South West Water CATTLE MARKET_CSO_SOUTH MOLTON River Mole 0 0 h 0
South West Water MIDDLE MARWOOD STW_SO_MARWOOD Knowle Water 0 0 h 0
South West Water PORTMARSH FIELDS_CSO_BARNSTAPLE River Taw Estuary 0 0 h 0
South West Water BOTTOM MEADOW_CSO_LYNTON Lady Well Stream 0 0 h 0
South West Water KINGS NYMPTON NORTH STW_SO_KINGS NYMPTON River Mole 0 0 h 0
South West Water WINSTON PARK_PSCSOEO_SOUTH MOLTON River Mole 0 0 h 0
South West Water STOKE RIVERS STW_SO_STOKE RIVERS River Yeo 0 0 h 0
South West Water GOODLEIGH STW_SO_GOODLEIGH Goodleigh Stream 0 0 h 0
South West Water CATTLE MARKET_CSO_SOUTH MOLTON River Mole 0 0 h 0
South West Water PILTON QUAY_CSO_BARNSTAPLE Tidal River Yeo 0 0 h 0
South West Water COOKS CROSS_CSO_SOUTH MOLTON Nardridwater Via Sws 0 0 h 0
South West Water SHIELING RD_CSO_BICKINGTON Bryn Brook 0 0 h 0
South West Water PROMENADE_CSO_ILFRACOMBE West Wilder Brook 0 0 h 0
South West Water SOUTH ST_CSO_SOUTH MOLTON Nadrid Water 0 0 h 0
South West Water FAIR VIEW CAR PARK_CSO_PILTON River Yeo Via Sws 0 0 h 0
South West Water DERBY ROAD_CSO_BARNSTAPLE River Yeo Via Sws 0 0 h 0
South West Water MIDDLE MARWOOD STW_SO_MARWOOD Knowle Water 0 0 h 0
South West Water KINGS NYMPTON_CSO_KINGS NYMPTON Tongue Lake 0 0 h 0

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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