Area of Outstanding Natural Beauty

North Devon - Live Sewage

Polluted by sewage 3,738 hours in 2026 , monitoring offline 300 hours so far..

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

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Totals for North Devon in 2026

Sewage3,738 hours
Monitoring offline300 hours
Potential pollution0 hours
Storm overflows37

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Daily Data - when it rained, and when they spilled

Square = rainfall none → heavy
Drop = sewage minutes → all day
Potential pollution Monitoring offline
Jan - 1,363 hours
Feb - 1,870 hours
Mar - 176 hours , 285 offline
Apr - 2 hours , 1 offline
May - 7 hours
Jun - 0 hours
Jul - 0 hours
Aug - 13 hours , 0 offline
Sept - 19 hours
Oct - 283 hours , 12 offline
Nov - 0 hours
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Storm overflows in and around North Devon

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
South West Water CROYDE STW_SO_CROYDE Croyde Bay 55 881h 19m -
South West Water WOOLACOMBE SPS_PSCSOEO_WOOLACOMBE Bristol Channel 43 763h 58m -
South West Water HORNS CROSS STW_SO_HORNS CROSS River Yeo 78 619h 47m 285 h
South West Water HARTLAND STW_SSO_HARTLAND Abbey River 51 605h 12m -
South West Water HIGHER CLOVELLY STW_SO_CLOVELLY CROSS Stream To Mouthmill Beach 35 448h 16m -
South West Water LOWER CLOVELLY SOUTHERN SPST_PSCSOEO_CLO Clovelly Bay 24 308h 2m -
South West Water NORTHAM FSCN SPST_PSCSOEO_WESTWARD HO 1 Bideford Bay 21 25h 11m -
South West Water HARTLAND SPS_PSCSOEO_HARTLAND River Abby 13 24h 24m -
South West Water CROSS STREET SPS_PSCSOEO_COMBE MARTIN River Umber 6 16h 10m 1 h
South West Water PACK OF CARDS_CSO_COMBE MARTIN River Umber 6 15h 11m -
South West Water HARBOUR LARKSTONE LN_CSO_ILFRACOMBE Ilfracombe Harbour 8 13h 58m -
South West Water CROYDE STW_PSCSOEO_CROYDE Croyde Bay 5 12h 48m 12 h
South West Water HELE BAY SPS_PSCSOEO_ILFRACOMBE Hele Bay - Bristol Channel 4 2h 56m -
South West Water CAUSEWAY CLOSE_CSO_NORTHAM Pill Via Sws 2 0h 27m -
South West Water LORNA IRWIN SPST_PSCSOEO_COMBE MARTIN River Umber 1 0h 21m -
South West Water NORTHAM FSCN SPST_PSCSOEO_WESTWARD HO 2 Bideford Bay 1 0h 9m -
South West Water NORTHAM FSCN SPST_PSCSOEO_WESTWARD HO 1 Bideford Bay 0 0h -
South West Water HARBOUR LARKSTONE LN_CSO_ILFRACOMBE Ilfracombe Harbour 0 0h -
South West Water NORTHAM FSCN SPST_PSCSOEO_WESTWARD HO 2 Bideford Bay 0 0h -
South West Water LOWER CLOVELLY SOUTHERN SPST_PSCSOEO_CLO Clovelly Bay 0 0h -
South West Water PACK OF CARDS_CSO_COMBE MARTIN River Umber 0 0h -
South West Water GOLF LINKS ROAD_CSO_WESTWARD HO! Pill 0 0h 0 h
South West Water LOWER CLOVELLY NORTHERN SPST_PSCSOEO_CLO Clovelly Bay 0 0h -
South West Water CROSS STREET SPS_PSCSOEO_COMBE MARTIN River Umber 0 0h -
South West Water HARTLAND SPS_PSCSOEO_HARTLAND River Abby 0 0h -
South West Water BERRYNARBOR SPST_PSCSOEO_BERRYNARBOR Unnamed Stream 0 0h -
South West Water HIGHER CLOVELLY STW_SO_CLOVELLY CROSS Stream To Mouthmill Beach 0 0h -
South West Water CROYDE STW_PSCSOEO_CROYDE Croyde Bay 0 0h -
South West Water CROYDE STW_SO_CROYDE Croyde Bay 0 0h -
South West Water HARTLAND STW_SSO_HARTLAND Abbey River 0 0h -
South West Water HELE BAY SPS_PSCSOEO_ILFRACOMBE Hele Bay - Bristol Channel 0 0h -
South West Water LUNDY VIEW_CSO_NORTHAM Pill Via Sws 0 0h -
South West Water WOOLACOMBE SPS_PSCSOEO_WOOLACOMBE Bristol Channel 0 0h -
South West Water GOLF LINKS ROAD_CSO_WESTWARD HO! Pill 0 0h -
South West Water CAUSEWAY CLOSE_CSO_NORTHAM Pill Via Sws 0 0h -
South West Water LOWER CLOVELLY NORTHERN SPST_PSCSOEO_CLO Clovelly Bay 0 0h -
South West Water HORNS CROSS STW_SO_HORNS CROSS River Yeo 0 0h -

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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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Analysing sewage pollution by the Water Industry

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© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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