Farnham and Bordon - Live Sewage

Polluted by sewage 1,566 hours in 2026 , monitoring offline 663 hours so far..

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

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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 Farnham and Bordon 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.

Totals for Farnham and Bordon in 2026

Sewage1,566 hours
Monitoring offline663 hours
Potential pollution0 hours
Storm overflows18

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Daily Data

Jan - 933 hours
Feb - 537 hours
Mar - 4 hours
Apr - 0 hours , 238 offline
May - 0 hours , 107 offline
Jun - 0 hours
Jul - 0 hours
Aug - 0 hours
Sept - 19 hours , 40 offline
Oct - 70 hours , 277 offline
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Thames Water Haslemere STW River Wey 42 555h 30m -
Thames Water Farnham STW Farnham Park 35 431h 45m -
Southern Water GRAYSWOOD CSO - 115984 Two S Of River Chidd 30 249h 53m -
Thames Water Bordon STW Wey 22 241h -
Thames Water Haslemere STW CSO River Wey 11 54h 42m 75 h
Thames Water Waverley Lane (Farnham) SPS Farnham Bourne 5 28h -
Thames Water Churt SPS Whitmoor Vale Stream 2 5h 22m 345 h
Thames Water Haslemere STW CSO River Wey 0 0h -
Thames Water Arford SPS River Wey 0 0h -
Thames Water Bordon STW Wey 0 0h -
Thames Water Arford SPS River Wey 0 0h -
Thames Water Haslemere STW River Wey 0 0h -
Thames Water Passfield (Bramshott) SPS River Wey 0 0h 242 h
Thames Water Passfield (Bramshott) SPS River Wey 0 0h -
Thames Water Waverley Lane (Farnham) SPS Farnham Bourne 0 0h -
Thames Water Churt SPS Whitmoor Vale Stream 0 0h -
Thames Water Farnham STW Farnham Park 0 0h -
Southern Water GRAYSWOOD CSO - 115984 Two S Of River Chidd 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

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.