South West Devon - Live Sewage

Polluted by sewage 24,391 hours this year - That's 2.82 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	100	1,631 h 49m	67.96
South West Water	SWW0493	128	1,464 h 55m	61
South West Water	SWW0693	90	1,418 h 58m	59.08
South West Water	SWW1270	74	1,349 h 41m	56.21
South West Water	SWW0088	84	1,112 h 25m	46.33
South West Water	SWW1141	66	1,052 h 7m	43.83
South West Water	SWW0492	51	924 h 33m	38.5
South West Water	SBB01180	38	888 h 16m	37
South West Water	SBB01313	37	829 h 36m	34.54
South West Water	SBB00514	37	813 h	33.88
South West Water	SBB00093	36	767 h 24m	31.96
South West Water	SWW1286	41	760 h 55m	31.67
South West Water	SWW1083	48	739 h 33m	30.79
South West Water	SBB00724	36	721 h 1m	30.04
South West Water	SBB01179	34	717 h 25m	29.88
South West Water	SWW0593	39	665 h 5m	27.71
South West Water	SBB00617	31	611 h 27m	25.46
South West Water	SWW0149	33	600 h 2m	25
South West Water	SBB00723	28	431 h 33m	17.96
South West Water	SWW0724	59	402 h 31m	16.75
South West Water	SBB01111	20	391 h 27m	16.29
South West Water	SBB01295	23	388 h 53m	16.17
South West Water	SBB00181	22	381 h 50m	15.88
South West Water	SBB01323	18	377 h 9m	15.71
South West Water	SBB00024	31	345 h 11m	14.38
South West Water	SWW0692	60	339 h 54m	14.12
South West Water	SBB00752	22	337 h 39m	14.04
South West Water	SWW0170	20	325 h 45m	13.54
South West Water	SWW0653	74	240 h 20m	10
South West Water	SWW0908	46	226 h 46m	9.42
South West Water	SWW1224	17	224 h 37m	9.33
South West Water	SWW0018	57	167 h 9m	6.96
South West Water	SBB00541	20	159 h 4m	6.62
South West Water	SWW0525	43	145 h 56m	6.04
South West Water	SBB00157	10	134 h 24m	5.58
South West Water	SBB00678	24	124 h 38m	5.17
South West Water	SWW0223	12	123 h 59m	5.12
South West Water	SBB00656	16	121 h 58m	5.04
South West Water	SBB00677	12	121 h 15m	5.04
South West Water	SBB00308	11	101 h 20m	4.21
South West Water	SWW0258	8	97 h 57m	4.04
South West Water	SWW0264	12	97 h	4.04
South West Water	SBB00618	14	73 h 6m	3.04
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	SBB00232	11	59 h 26m	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	SBB00747	13	48 h 39m	2
South West Water	SBB01433	15	44 h 46m	1.83
South West Water	SWW0470	12	44 h 25m	1.83
South West Water	SBB01012	5	43 h 23m	1.79
South West Water	SBB01294	18	38 h 9m	1.58
South West Water	SWW0393	21	38 h 4m	1.58
South West Water	SBB00410	9	33 h	1.38
South West Water	SWW0854	22	32 h 18m	1.33
South West Water	SWW1251	31	30 h 52m	1.25
South West Water	SBB00272	8	30 h 9m	1.25
South West Water	SBB00567	14	30 h 3m	1.25
South West Water	SWW0594	10	28 h 48m	1.17
South West Water	SWW1247	18	27 h 30m	1.12
South West Water	SWW0974	21	26 h 52m	1.08
South West Water	SBB00576	5	25 h 20m	1.04
South West Water	SBB00889	9	24 h 59m	1
South West Water	SWW1248	20	24 h 50m	1
South West Water	SBB00574	4	24 h 44m	1
South West Water	SBB00575	11	23 h 23m	0.96
South West Water	SBB01387	1	20 h 16m	0.83
South West Water	SBB00911	5	20 h 9m	0.83
South West Water	SWW1285	5	19 h 22m	0.79
South West Water	SBB00946	14	16 h 13m	0.67
South West Water	SBB00333	6	16 h 13m	0.67
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	SBB01291	11	14 h 28m	0.58
South West Water	SBB00482	5	14 h 16m	0.58
South West Water	SWW0335	16	13 h 38m	0.54
South West Water	SBB01290	7	12 h 29m	0.5
South West Water	SWW0565	20	11 h 57m	0.46
South West Water	SWW0564	7	11 h 47m	0.46
South West Water	SWW0100	13	11 h 20m	0.46
South West Water	SBB00416	2	10 h 43m	0.42
South West Water	SBB00746	6	9 h 54m	0.38
South West Water	SBB00347	6	9 h 53m	0.38
South West Water	SBB01011	11	9 h 5m	0.38
South West Water	SWW0576	4	8 h 59m	0.33
South West Water	SBB00162	2	8 h 45m	0.33
South West Water	SWW0400	7	8 h 31m	0.33
South West Water	SWW0714	5	8 h 26m	0.33
South West Water	SWW1203	3	8 h 10m	0.33
South West Water	SBB01386	1	7 h 3m	0.29
South West Water	SWW1252	5	6 h 32m	0.25
South West Water	SBB00757	2	4 h 41m	0.17
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	SBB01254	2	3 h 15m	0.12
South West Water	SWW0577	8	2 h 48m	0.08
South West Water	SBB00107	5	2 h 8m	0.08
South West Water	SWW0312	3	1 h 24m	0.04
South West Water	SBB01245	1	1 h 22m	0.04
South West Water	SBB00833	3	1 h 2m	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	SBB00594	3	0 h 30m	0
South West Water	SBB00593	1	0 h 23m	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	SBB01329	1	0 h 15m	0
South West Water	SWW0994	1	0 h 2m	0
South West Water	SBB00314	0	0 h	0
South West Water	SBB00267	0	0 h	0
South West Water	SBB00112	0	0 h	0
South West Water	SBB00915	0	0 h	0
South West Water	SBB00632	0	0 h	0
South West Water	SBB00942	0	0 h	0
South West Water	SBB01372	0	0 h	0
South West Water	SBB01253	0	0 h	0
South West Water	SBB01029	0	0 h	0
South West Water	SBB00801	0	0 h	0
South West Water	SBB00515	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.

Analysing sewage pollution by the Water Industry

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South West Devon - Live Sewage Polluted by sewage 24,391 hours this year - That's 2.82 years so far...

South West Devon - Live Sewage