Wells and Mendip Hills - Live Sewage

Polluted by sewage 4,570 hours this year so far...

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Wells and Mendip Hills 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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Your local MP is Tessa Munt (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Wells and Mendip Hills

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Wells and Mendip Hills, 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	WSX0308	41	855 h 1m	35.62
Wessex Water	WSX0318	24	447 h 28m	18.62
Wessex Water	WSX0503	20	390 h 58m	16.25
Wessex Water	WSX0022	27	378 h 16m	15.75
Wessex Water	WSX0275	26	327 h 22m	13.62
Wessex Water	WSX0480	18	236 h 7m	9.83
Wessex Water	WSX0382	16	217 h 48m	9.04
Wessex Water	WSX0374	16	183 h 50m	7.62
Wessex Water	WSX0622	12	163 h 12m	6.79
Wessex Water	WSX10161	9	152 h 39m	6.33
Wessex Water	WSX10167	9	145 h 49m	6.04
Wessex Water	WSX0683	11	144 h 11m	6
Wessex Water	WSX0237	17	108 h 38m	4.5
Wessex Water	WSX0702	6	90 h 36m	3.75
Wessex Water	WSX10168	10	84 h 25m	3.5
Wessex Water	WSX0539	8	83 h 18m	3.46
Wessex Water	WSX0051	11	76 h 16m	3.17
Wessex Water	WSX0610	9	71 h 8m	2.96
Wessex Water	WSX0935	6	61 h 46m	2.54
Wessex Water	WSX10151	4	59 h 37m	2.46
Wessex Water	WSX0662	9	49 h 18m	2.04
Wessex Water	WSX0666	6	40 h 46m	1.67
Wessex Water	WSX0965	6	36 h 8m	1.5
Wessex Water	WSX1107	4	23 h 43m	0.96
Wessex Water	WSX10087	3	22 h 19m	0.92
Wessex Water	WSX0428	17	20 h 32m	0.83
Wessex Water	WSX0621	10	12 h 28m	0.5
Wessex Water	WSX0121	3	10 h 44m	0.42
Wessex Water	WSX1134	2	9 h 30m	0.38
Wessex Water	WSX0508	14	9 h 10m	0.38
Wessex Water	WSX10162	3	8 h 48m	0.33
Wessex Water	WSX0741	7	8 h 44m	0.33
Wessex Water	WSX0512	11	8 h 33m	0.33
Wessex Water	WSX10146	2	6 h 3m	0.25
Wessex Water	WSX0783	4	5 h 14m	0.21
Wessex Water	WSX0809	3	4 h 2m	0.17
Wessex Water	WSX0599	6	3 h 52m	0.12
Wessex Water	WSX1162	1	3 h 36m	0.12
Wessex Water	WSX1083	3	3 h 14m	0.12
Wessex Water	WSX0708	5	3 h 2m	0.12
Wessex Water	WSX0354	1	1 h 11m	0.04
Wessex Water	WSX0940	1	0 h 52m	0
Wessex Water	WSX0740	3	0 h 12m	0
Wessex Water	WSX9999	0	0 h	0
Wessex Water	WSX0184	0	0 h	0
Wessex Water	WSX0020	0	0 h	0
Wessex Water	WSX1109	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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Wells and Mendip Hills - Live Sewage Polluted by sewage 4,570 hours this year so far...

Wells and Mendip Hills - Live Sewage