Farnham and Bordon was polluted by sewage 203 times in 2024
lasting 1,726 hours

Constituency

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✔ means we have experimental daily data since 2023

Live data for Farnham and Bordon in 2025

So far this year (as of Apr 16, 2025, 5:30 PM) there has been 550 hours of sewage overflows

Totals for Farnham and Bordon in 2024

7 Sites polluted by Southern Water, Thames Water

203 sewage dumps
1,726 h duration

That's 2.4 months. 3.9 times a week, on average

Change Over Time

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Constituencies near Farnham and Bordon

Waterways in Farnham and Bordon

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Farnham and Bordon, 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 Farnham and Bordon 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 0 of the total 8 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	River Wey	HASLEMERE WWTW	55	575	99.15
Thames Water	Farnham Park	Farnham	52	529	100
Southern Water	Two S Of River Chidd	GRAYSWOOD WWTW	57	375	99.6
Thames Water	Wey	BORDON WASTEWATER TREATMENT WORKS	21	165	100
Thames Water	Farnham Bourne	WAVERLEY LANE SPS	11	70	100
Thames Water	Whitmoor Vale Stream	CHURT SPS	6	9	100
Thames Water	River Wey	ARFORD PUMPING STATION	1	0	100
Thames Water	River Wey	PASSFIELD SPS	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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