South West Devon - Live Sewage

Polluted by sewage 11,503 hours this year - That's 1.33 years so far...

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in South West Devon so far this year. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see report for last year in the other page.

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Constituencies near South West Devon

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for South West 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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Polluting

Potentially Polluting

Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

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Totals so far

Company	CSO ID	Overflow Days	Total Duration (hours)	Total Duration (days)
South West Water	SWW1142	73	1,038 h 47m	43.25
South West Water	SWW0492	51	924 h 33m	38.5
South West Water	SWW0493	103	904 h 59m	37.67
South West Water	SWW0693	65	859 h 44m	35.79
South West Water	SWW1270	49	792 h 4m	33
South West Water	SWW1286	41	760 h 55m	31.67
South West Water	SWW1083	48	739 h 33m	30.79
South West Water	SWW0593	39	665 h 5m	27.71
South West Water	SWW0149	33	600 h 2m	25
South West Water	SWW0088	59	559 h 40m	23.29
South West Water	SWW1141	42	501 h	20.88
South West Water	SWW0724	56	394 h 4m	16.42
South West Water	SWW0692	56	328 h 16m	13.67
South West Water	SWW0170	20	325 h 45m	13.54
South West Water	SWW0653	70	233 h 15m	9.71
South West Water	SWW0908	45	226 h 10m	9.42
South West Water	SWW1224	17	224 h 37m	9.33
South West Water	SWW0018	53	161 h 59m	6.71
South West Water	SWW0525	40	139 h 22m	5.79
South West Water	SWW0223	12	123 h 59m	5.12
South West Water	SWW0258	8	97 h 57m	4.04
South West Water	SWW0264	12	97 h	4.04
South West Water	SWW0652	17	65 h 4m	2.71
South West Water	SWW0975	12	60 h 17m	2.5
South West Water	SWW0717	24	59 h 52m	2.46
South West Water	SWW0304	18	55 h 43m	2.29
South West Water	SWW0634	16	55 h 34m	2.29
South West Water	SWW0552	41	52 h 3m	2.17
South West Water	SWW0154	21	50 h 50m	2.08
South West Water	SWW0470	12	44 h 25m	1.83
South West Water	SWW0393	21	38 h 4m	1.58
South West Water	SWW1251	30	30 h 49m	1.25
South West Water	SWW0594	10	28 h 48m	1.17
South West Water	SWW0974	21	26 h 52m	1.08
South West Water	SWW0854	19	22 h 19m	0.92
South West Water	SWW1247	15	21 h 37m	0.88
South West Water	SWW1285	5	19 h 22m	0.79
South West Water	SWW1248	17	18 h 43m	0.75
South West Water	SWW0460	9	15 h 45m	0.62
South West Water	SWW1335	5	15 h 40m	0.62
South West Water	SWW0730	11	15 h 32m	0.62
South West Water	SWW0335	16	13 h 38m	0.54
South West Water	SWW0564	7	11 h 47m	0.46
South West Water	SWW0565	19	11 h 39m	0.46
South West Water	SWW0100	13	11 h 20m	0.46
South West Water	SWW0576	4	8 h 59m	0.33
South West Water	SWW0400	7	8 h 31m	0.33
South West Water	SWW1203	3	8 h 10m	0.33
South West Water	SWW1252	5	6 h 32m	0.25
South West Water	SWW1334	2	4 h 38m	0.17
South West Water	SWW0566	12	4 h 23m	0.17
South West Water	SWW1211	4	3 h 30m	0.12
South West Water	SWW0803	10	3 h 21m	0.12
South West Water	SWW0714	2	3 h 1m	0.12
South West Water	SWW0577	8	2 h 48m	0.08
South West Water	SWW0312	3	1 h 24m	0.04
South West Water	SWW1325	3	1 h 1m	0.04
South West Water	SWW1210	6	0 h 42m	0
South West Water	SWW0615	2	0 h 33m	0
South West Water	SWW0105	2	0 h 20m	0
South West Water	SWW0905	2	0 h 20m	0
South West Water	SWW0875	1	0 h 20m	0
South West Water	SWW0994	1	0 h 2m	0
South West Water	SBB01433	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. This 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.

Analysing sewage pollution by the Water Industry

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South West Devon - Live Sewage Polluted by sewage 11,503 hours this year - That's 1.33 years so far...

South West Devon - Live Sewage