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Area of Outstanding Natural Beauty

Suffolk Coast & Heaths - 2025 Sewage

Polluted by sewage 1,826 hours in 2025 , monitoring offline 2,303 hours

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

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Totals for 2025

Sewage1,826 hours
Monitoring offline2,303 hours
Potential pollution0 hours
Storm overflows36

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Daily Data - when it rained, and when they spilled

Square = rainfall none → heavy
Drop = sewage minutes → all day
Potential pollution Monitoring offline
Jan - 77 hours
Feb - 12 hours
Mar - 0 hours
Apr - 6 hours
May - 3 hours
Jun - 12 hours , 0 offline
Jul - 96 hours
Aug - 9 hours
Sept - 22 hours
Oct - 31 hours , 0 potential
Nov - 1,219 hours , 1,105 offline
Dec - 333 hours , 853 offline

Storm overflows in and around Suffolk Coast & Heaths

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Anglian Water Woodbridge Quayside Transfer Pumping Station River Deben 40 591h 22m -
Anglian Water HOLBROOK STW Holbrook Stream 51 574h 57m -
Anglian Water SOUTHWOLD-COMMON THE STW Tidal River Blyth 34 524h 49m 1 h
Anglian Water HOLBROOK STW Holbrook Creek Estuary Stour 6 26h 27m -
Anglian Water WOOLVERSTONE-MARINA TPS River Orwell 9 24h 35m 58 h
Anglian Water WOODBRIDGE-STATION RD CSO River Deben 10 20h 15m -
Anglian Water Woodbridge Quayside Transfer Pumping Station River Deben 4 13h 14m -
Anglian Water HARWICH AND DOVERCOURT STW Tidal River Stour 3 9h 33m -
Anglian Water Woodbridge Deben Road CSO River Deben Tidal 13 7h 8m 0 h
Anglian Water WOODBRIDGE-STATION RD CSO River Deben 1 6h 15m 1,153 h
Anglian Water SOUTHWOLD-COMMON THE STW Tidal River Blyth 5 6h 14m -
Anglian Water HARWICH AND DOVERCOURT STW Tidal River Stour 9 5h 23m -
Anglian Water HOLBROOK STW Holbrook Stream 4 3h 10m -
Anglian Water Southwold Marlborough Road Combined Sewer Overflow Buss Creek 10 2h 50m -
Anglian Water SHOTLEY-OVERHALL FM STW River Orwell T 3 2h 14m -
Anglian Water HARWICH AND DOVERCOURT STW Tidal River Stour 4 1h 59m -
Anglian Water Southwold Gardner Road Pumping Station Salt Creek 4 1h 40m -
Anglian Water REYDON-THREE MARSH LN TPS Buss Creek 1 1h 15m -
Anglian Water Woodbridge Water Recycling Centre Martlesham Creek 2 0h 59m -
Anglian Water MARTLESHAM M BRIDGE SP River Fynn 2 0h 50m -
Anglian Water Woodbridge Deben Road CSO River Deben Tidal 1 0h 15m -
Anglian Water Southwold Station Road Pumping Station Buss Creek 1 0h 14m 0 h
Anglian Water SHOTLEY-OVERHALL FM STW River Orwell T 1 0h 13m -
Anglian Water Southwold Station Road Pumping Station Buss Creek 0 0h -
Anglian Water REYDON-THREE MARSH LN TPS Buss Creek 0 0h -
Anglian Water HOLBROOK STW Holbrook Creek Estuary Stour 0 0h -
Anglian Water WOOLVERSTONE-MARINA TPS River Orwell 0 0h -
Anglian Water Southwold Gardner Road Pumping Station Salt Creek 0 0h -
Anglian Water Mistley, School Lane CSO River Stour 0 0h -
Anglian Water KIRTON-DRUNKARDS L STW Kirton Stream 0 0h -
Anglian Water MARTLESHAM M BRIDGE SP River Fynn 0 0h -
Anglian Water Southwold Marlborough Road Combined Sewer Overflow Buss Creek 0 0h -
Anglian Water Woodbridge Water Recycling Centre Martlesham Creek 0 0h -
Anglian Water KIRTON-DRUNKARDS L STW Kirton Stream 0 0h -
Anglian Water HARWICH AND DOVERCOURT STW Tidal River Stour 0 0h -
Anglian Water Mistley, School Lane CSO River Stour 0 0h 1,089 h

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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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.