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South Norfolk - Live Sewage

Polluted by sewage 564 hours in 2026 , monitoring offline 3,299 hours , potential overflows 6 hours so far..

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

Which Year?

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✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in South Norfolk so far for 2026. 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 the last reported year in the other page

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Constituencies near South Norfolk

Daily Data

Jan - 80 hours , 6 potential
Feb - 476 hours , 672 offline
Mar - 5 hours , 744 offline
Apr - 1 hours , 720 offline
May - 0 hours , 419 offline
Jun - 0 hours
Jul - 0 hours
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water ASHWELLTHORPE STW Wreningham Stream River Tas N 32 476h 6m 6 h
Anglian Water FORNCETT-FORNCETT END STW River Tas 11 79h 29m -
Anglian Water WYMONDHAM STW River Tiffey 4 6h 35m -
Anglian Water LONG STRATTON STW River Tas 1 2h -
Anglian Water THURLTON-THE STREET TPS Boyes Dyke 0 0h -
Anglian Water WYMONDHAM-LONDON RD SP River Tiffey 0 0h 3,299 h
Anglian Water Wymondham - Station Road Pumping Station River Tiffey 0 0h -
Anglian Water LONG STRATTON STW River Tas 0 0h -
Anglian Water WYMONDHAM-LONDON RD SP River Tiffey 0 0h -
Anglian Water SWARDESTON-THE COMMON TPS Main Idb River Yare 0 0h -
Anglian Water FORNCETT-FORNCETT END STW River Tas 0 0h -
Anglian Water SAXLINGHAM STW River Tas 0 0h -
Anglian Water Whitlingham Water Recycling Centre Tidal River Yare 0 0h -
Anglian Water SISLAND STW River Chet 0 0h -
Anglian Water SWARDESTON-COMMON STW Intwood Stream River Yare 0 0h -
Anglian Water Wymondham - Station Road Pumping Station River Tiffey 0 0h -
Anglian Water NEWTON FLOTMAN-MAIDS HEAD TPS River Tas 0 0h -
Anglian Water SWARDESTON-THE COMMON TPS Main Idb River Yare 0 0h -
Anglian Water WYMONDHAM STW River Tiffey 0 0h -
Anglian Water ASHWELLTHORPE STW Wreningham Stream River Tas N 0 0h -
Anglian Water LODDON-KNAPPS BRIDGE SP River Chet 0 0h -
Anglian Water SWARDESTON-COMMON STW Intwood Stream River Yare 0 0h -
Anglian Water Whitlingham Water Recycling Centre Tidal River Yare 0 0h -
Anglian Water SISLAND STW River Chet 0 0h -
Anglian Water NEWTON FLOTMAN-MAIDS HEAD TPS River Tas 0 0h -
Anglian Water LODDON-KNAPPS BRIDGE SP River Chet 0 0h -
Anglian Water SAXLINGHAM STW River Tas 0 0h -

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.

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Analysing sewage pollution by the Water Industry

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© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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