Melksham and Devizes - Live Sewage

Polluted by sewage 5,848 hours this year so far...

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You're looking at the totals that we have calculated for sewage in Melksham and Devizes 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 Melksham and Devizes

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Melksham and Devizes, 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.

Monitoring Online

Monitoring Offline

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)
Wessex Water	WSX0270	33	670 h 35m	27.92
Wessex Water	WSX0641	26	548 h 14m	22.83
Wessex Water	WSX0287	36	467 h 39m	19.46
Wessex Water	WSX0068	19	384 h 6m	16
Wessex Water	WSX0495	21	332 h 57m	13.83
Wessex Water	WSX0370	30	275 h 16m	11.46
Wessex Water	WSX0748	20	248 h 8m	10.33
Wessex Water	WSX0033	25	237 h 52m	9.88
Wessex Water	WSX0372	13	215 h	8.96
Wessex Water	WSX0771	13	188 h 45m	7.83
Wessex Water	WSX0661	12	185 h 12m	7.71
Wessex Water	WSX0264	61	178 h 24m	7.42
Wessex Water	WSX1041	11	169 h 25m	7.04
Wessex Water	WSX0034	13	162 h 40m	6.75
Wessex Water	WSX0638	12	161 h 42m	6.71
Wessex Water	WSX0378	22	156 h 48m	6.5
Wessex Water	WSX0891	8	109 h 55m	4.54
Wessex Water	WSX0233	7	107 h 19m	4.46
Wessex Water	WSX0366	27	99 h 3m	4.12
Wessex Water	WSX0085	9	90 h 17m	3.75
Wessex Water	WSX0069	24	89 h 14m	3.71
Wessex Water	WSX0933	7	85 h 32m	3.54
Wessex Water	WSX0998	6	84 h 38m	3.5
Wessex Water	WSX0961	5	63 h 32m	2.62
Wessex Water	WSX0693	7	62 h 28m	2.58
Wessex Water	WSX0820	9	62 h 10m	2.58
Wessex Water	WSX0082	5	52 h 54m	2.17
Wessex Water	WSX0681	13	37 h 17m	1.54
Wessex Water	WSX1204	3	34 h 56m	1.42
Wessex Water	WSX10129	5	32 h 15m	1.33
Wessex Water	WSX0083	4	31 h 58m	1.29
Wessex Water	WSX0401	29	30 h 49m	1.25
Wessex Water	WSX0079	7	28 h 24m	1.17
Wessex Water	WSX0457	28	25 h 59m	1.04
Wessex Water	WSX0932	7	19 h 56m	0.79
Wessex Water	WSX0056	4	13 h 7m	0.54
Wessex Water	WSX0881	5	11 h 34m	0.46
Wessex Water	WSX0608	4	10 h 58m	0.42
Wessex Water	WSX0730	3	10 h 28m	0.42
Wessex Water	WSX0711	5	8 h 48m	0.33
Wessex Water	WSX10136	1	8 h 41m	0.33
Wessex Water	WSX0347	19	7 h 22m	0.29
Wessex Water	WSX0407	5	7 h 6m	0.29
Wessex Water	WSX0078	2	5 h 58m	0.21
Wessex Water	WSX0494	5	4 h 59m	0.17
Wessex Water	WSX1010	3	3 h 50m	0.12
Wessex Water	WSX0176	2	3 h 32m	0.12
Wessex Water	WSX0323	3	3 h 15m	0.12
Wessex Water	WSX0982	4	3 h 14m	0.12
Wessex Water	WSX1044	1	3 h 12m	0.12
Wessex Water	WSX1072	2	2 h 45m	0.08
Wessex Water	WSX0025	2	2 h 30m	0.08
Wessex Water	WSX1060	3	1 h 48m	0.04
Wessex Water	WSX0875	6	1 h 46m	0.04
Wessex Water	WSX1080	4	0 h 54m	0
Wessex Water	WSX1272	1	0 h 42m	0
Wessex Water	WSX0959	3	0 h 30m	0
Wessex Water	WSX1216	0	0 h	0
Wessex Water	WSX10004	0	0 h	0
Wessex Water	WSX10090	0	0 h	0
Wessex Water	WSX10043	0	0 h	0
Wessex Water	WSX1215	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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Melksham and Devizes - Live Sewage Polluted by sewage 5,848 hours this year so far...

Melksham and Devizes - Live Sewage