Norwich South was polluted by sewage 537 times in 2024
lasting 1,557 hours
- but monitoring was disabled in some locations, so could be more

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Norwich South in 2025

So far this year (as of Apr 16, 2025, 6:15 PM) there has been 948 hours of sewage overflows

Totals for Norwich South in 2024

16 Sites polluted by Anglian Water

537 sewage dumps
1,557 h duration

That's 2.16 months. On average 1.5 times a day

Change Over Time

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Your local MP is Clive Lewis (Labour) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Norwich South

Waterways in Norwich South

Daily Data

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

Pollution Summary 2024

Here are all the reported sewage overflow totals for Norwich South in 2024. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 1 of the total 22 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Anglian Water	.	ELM HILL OVERFLOW	79	616	99.6
Anglian Water	River Yare	TROWSE TERMINAL PUMPING STATION	43	428	96.2
Anglian Water	River Yare	NORWICH SANDY LANE CSO	109	222	100
Anglian Water	River Wensum	NORWICH - KETTS HILL CSO	61	94	100
Anglian Water	River Wensum	KING STREET COMBINED SEWER OVERFLOW	57	71	100
Anglian Water	River Wensum	NORWICH LOWER CLOSE (FERRY LN) CSO	76	63	99.8
Anglian Water	River Wensum	GIBRALTAR GARDENS CSO	6	31	99.3
Anglian Water	River Wensum	NORWICH CEDAR ROAD CSO	31	7	100
Anglian Water	River Wensum	NORWICH - PRINCE OF WALES ROAD CSO	25	7	100
Anglian Water	River Wensum	NORWICH ST FAITHS LANE CSO	26	6	97.3
Anglian Water	River Wensum	NORWICH - KING STREET #2 CSO	14	5	100
Anglian Water	River Wensum	SCHOOL LANE / BEDFORD STREET CSO	3	0	11.6
Anglian Water	River Wensum	NORWICH - BARRACK STREET CSO	3	0	100
Anglian Water	River Wensum	NORWICH - RIVER LANE CSO	2	0	100
Anglian Water	River Wensum	NORWICH RECORDER ROAD CSO	1	0	100
Anglian Water	River Wensum	NORWICH - ROSARY ROAD CSO	1	0	100
Anglian Water	River Wensum	NORWICH CARROW ROAD CSO	0	0	99.4
Anglian Water	River Wensum	NORWICH - CHALK HILL ROAD CSO	0	0	100
Anglian Water	River Wensum	NORWICH COW TOWER CSO	0	0	0
Anglian Water	River Wensum	NORWICH - NEW MILLS CSO	0	0	100
Anglian Water	River Yare	BRACONDALE COMBINED SEWER OVERFLOW	0	0	100
Anglian Water	River Wensum	NORWICH - ELM HILL CSO	0	0	100

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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