Polluted by sewage 12,820 hours in 2025 - That's 1.48 years
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Exmouth and Exeter East, 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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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| South West Water | REWE STW_SSO_REWE | River Culm | 135 | 1,518 h 49m | 63.25 |
| South West Water | EXTON SOUTH SPS_PSCSOEO_EXMOUTH | Woodbury Brook | 82 | 1,357 h 26m | 56.54 |
| South West Water | ODHAMS WHARF SPS_PSCSOEO_EBFORD | River Clyst | 69 | 1,051 h 14m | 43.79 |
| South West Water | REWE STW_SSO_REWE | River Culm | 55 | 969 h 29m | 40.38 |
| South West Water | EXTON SOUTH SPS_PSCSOEO_EXMOUTH | Woodbury Brook | 45 | 890 h 3m | 37.08 |
| South West Water | WOODBURY_SSO_WOODBURY | Woodbury Brook | 54 | 680 h 50m | 28.33 |
| South West Water | OLD WOODBURY SALTERTON STW_CSO_WOODBURY | Grindle Brook Via Sws | 32 | 569 h 37m | 23.71 |
| South West Water | MAER LANE STW_SSO_EXMOUTH | Lyme Bay | 41 | 535 h 39m | 22.29 |
| South West Water | EXTON NORTH SPS_PSCSOEO_EXMOUTH | River Clyst | 37 | 499 h 48m | 20.79 |
| South West Water | EXTON NORTH SPS_PSCSOEO_EXMOUTH | River Clyst | 42 | 492 h 15m | 20.5 |
| South West Water | MAER ROAD SPST_PSCSOEO_EXMOUTH | English Channel | 35 | 411 h 14m | 17.12 |
| South West Water | ODHAMS WHARF SPS_PSCSOEO_EBFORD | River Clyst | 27 | 388 h | 16.17 |
| South West Water | HARTOPP ROAD_PSCSOEO_EXMOUTH | Exe Estuary | 41 | 344 h 44m | 14.33 |
| South West Water | WOODBURY_SSO_WOODBURY | Woodbury Brook | 25 | 289 h 25m | 12.04 |
| South West Water | STOKE CANON SPST_PSCSOEO_STOKE CANON | R Culm | 29 | 279 h 6m | 11.62 |
| South West Water | MAER LANE STW_SSO_EXMOUTH | Lyme Bay | 19 | 271 h 32m | 11.29 |
| South West Water | PHEAR PARK SPST_PSCSOEO_EXMOUTH | Exe Estuary | 26 | 218 h 47m | 9.08 |
| South West Water | MAER ROAD SPST_PSCSOEO_EXMOUTH | English Channel | 19 | 201 h 29m | 8.38 |
| South West Water | EAST BUDLEIGH SPS_PSCSO_EAST BUDLEIGH | River Otter | 29 | 166 h 38m | 6.92 |
| South West Water | CLYST HONITON SPS_PSCSO_EXETER | River Clyst | 14 | 151 h 9m | 6.29 |
| South West Water | HARTOPP ROAD_PSCSOEO_EXMOUTH | Exe Estuary | 20 | 144 h 42m | 6 |
| South West Water | COUNTESS WEAR STW_SSO_EXETER | River Exe Estuary | 22 | 140 h 7m | 5.83 |
| South West Water | CLYST HONITON SPS_PSCSO_EXETER | River Clyst | 11 | 120 h 17m | 5 |
| South West Water | EAST BUDLEIGH SPS_PSCSO_EAST BUDLEIGH | River Otter | 21 | 119 h 41m | 4.96 |
| South West Water | IMPERIAL RD - TANK_CSO_EXMOUTH | Exe Estuary | 16 | 115 h 42m | 4.79 |
| South West Water | PHEAR PARK SPST_PSCSOEO_EXMOUTH | Exe Estuary | 14 | 99 h 39m | 4.12 |
| South West Water | COUNTESS WEAR STW_SSO_EXETER | River Exe Estuary | 18 | 84 h 19m | 3.5 |
| South West Water | OLD WOODBURY SALTERTON STW_CSO_WOODBURY | Grindle Brook Via Sws | 16 | 72 h 34m | 3 |
| South West Water | LIME KILN PS_CSO_BUDLEIGH SALTERTON | English Channel | 43 | 71 h 58m | 2.96 |
| South West Water | HAM LN_CSO_WOODBURY | Woodbury Brook | 32 | 64 h 13m | 2.67 |
| South West Water | LITTLE KNOWLE_CSO_BUDLEIGH SALTERTON | Knowle Stream | 7 | 63 h 55m | 2.62 |
| South West Water | COUNTESS WEAR STW_PSCSOEO_EXETER | River Exe Estuary | 17 | 52 h 5m | 2.17 |
| South West Water | HAM LN_CSO_WOODBURY | Woodbury Brook | 14 | 46 h 10m | 1.92 |
| South West Water | IMPERIAL RD - TANK_CSO_EXMOUTH | Exe Estuary | 9 | 45 h 32m | 1.88 |
| South West Water | COUNTESS WEAR STW_PSCSOEO_EXETER | River Exe Estuary | 11 | 44 h 16m | 1.83 |
| South West Water | LYMPSTONE OUTFALL SPS_PSCSOEO_LYMPSTONE | River Exe Estuary | 19 | 28 h 50m | 1.17 |
| South West Water | LIME KILN PS_CSO_BUDLEIGH SALTERTON | English Channel | 16 | 26 h 25m | 1.08 |
| South West Water | ASH GROVE_CSO_EXMOUTH | Exe Estuary | 10 | 20 h 33m | 0.83 |
| South West Water | ASH GROVE_CSO_EXMOUTH | Exe Estuary | 15 | 19 h 47m | 0.79 |
| South West Water | CHURCH ROAD SSO_CSO_WHIMPLE | Cranny Brook | 4 | 14 h 8m | 0.58 |
| South West Water | FOLLET RD_CSO_EXETER | River Exe | 17 | 12 h 18m | 0.5 |
| South West Water | LYMPSTONE OUTFALL SPS_PSCSOEO_LYMPSTONE | River Exe Estuary | 8 | 11 h 34m | 0.46 |
| South West Water | LANGATON LN_CSO_EXETER | Pin Brook | 7 | 10 h 16m | 0.42 |
| South West Water | SIDE SPS_PSCSOEO_BROADCLYST | River Clyst Valley Via Sws | 12 | 10 h 15m | 0.42 |
| South West Water | FOLLET RD_CSO_EXETER | River Exe | 9 | 10 h 13m | 0.42 |
| South West Water | NEWPORT PARK SPS_PSCSOEO_EXETER | River Exe | 4 | 9 h 24m | 0.38 |
| South West Water | EXETER RD_CSO_EXMOUTH | Withycombe Brook | 9 | 9 h 7m | 0.38 |
| South West Water | EXETER RD_CSO_EXMOUTH | Withycombe Brook | 12 | 8 h 59m | 0.33 |
| South West Water | THE GREEN_CSO_OTTERTON | River Otter | 8 | 7 h 42m | 0.29 |
| South West Water | CHURCH ROAD SSO_CSO_WHIMPLE | Cranny Brook | 3 | 7 h 41m | 0.29 |
| South West Water | LANGATON LN_CSO_EXETER | Pin Brook | 12 | 6 h 57m | 0.25 |
| South West Water | THE GREEN_CSO_OTTERTON | River Otter | 6 | 6 h 39m | 0.25 |
| South West Water | SIDE SPS_PSCSOEO_BROADCLYST | River Clyst Valley Via Sws | 5 | 5 h 39m | 0.21 |
| South West Water | MARINE PARADE_CSO_BUDLEIGH SALTERTON | Knowle Stream | 3 | 4 h 47m | 0.17 |
| South West Water | THE GREEN TANK_CSO_BUDLEIGH SALTERTON | Knowle Stream | 3 | 3 h 11m | 0.12 |
| South West Water | TURLAKE SPS_PSCSOEO_EXETER | R Exe | 3 | 2 h 23m | 0.08 |
| South West Water | MARINE PARADE_CSO_BUDLEIGH SALTERTON | Knowle Stream | 2 | 2 h 8m | 0.08 |
| South West Water | GRANARY LANE GAS_CSO_BUDLEIGH SALTERTON | River Otter | 4 | 1 h 53m | 0.04 |
| South West Water | MEADOW RD SSO_CSO_BUDLEIGH SALTERTON | Knowle Stream | 5 | 1 h 41m | 0.04 |
| South West Water | GRANARY LANE GAS_CSO_BUDLEIGH SALTERTON | River Otter | 1 | 1 h 27m | 0.04 |
| South West Water | THE GREEN TANK_CSO_BUDLEIGH SALTERTON | Knowle Stream | 1 | 1 h 15m | 0.04 |
| South West Water | NEWPORT PARK SPS_PSCSOEO_EXETER | River Exe | 3 | 1 h 14m | 0.04 |
| South West Water | MEADOW RD SSO_CSO_BUDLEIGH SALTERTON | Knowle Stream | 1 | 0 h 26m | 0 |
| South West Water | PARKLAND DRIVE SPS_PSCSOEO_EXETER | Northbrook Via Sws | 1 | 0 h 18m | 0 |
| South West Water | GRANARY LN_CSO_BUDLEIGH SALTERTON | Kersbrook Channel | 2 | 0 h 13m | 0 |
| South West Water | 2 DRYDEN RD_CSO_EXETER | North Brook Via Sws | 2 | 0 h 12m | 0 |
| South West Water | GRANARY LN_CSO_BUDLEIGH SALTERTON | Kersbrook Channel | 1 | 0 h 8m | 0 |
| South West Water | COLATON RALEIGH SSO_CSO_COLATON RALEIGH | River Otter | 0 | 0 h | 0 |
| South West Water | TURLAKE SPS_PSCSOEO_EXETER | R Exe | 0 | 0 h | 0 |
| South West Water | LITTLE KNOWLE_CSO_BUDLEIGH SALTERTON | Knowle Stream | 0 | 0 h | 0 |
| South West Water | FERRY ROAD SPS_PSCSOEO_EXETER | River Exe | 0 | 0 h | 0 |
| South West Water | MONKERTON SPS_PSCSOEO_EXETER | Pin Brook | 0 | 0 h | 0 |
| South West Water | PARKLAND DRIVE SPS_PSCSOEO_EXETER | Northbrook Via Sws | 0 | 0 h | 0 |
| South West Water | POLTIMORE SPS_PSCSOEO_EXETER | Stream | 0 | 0 h | 0 |
| South West Water | 2 DRYDEN RD_CSO_EXETER | North Brook Via Sws | 0 | 0 h | 0 |
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.