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North West Hampshire was polluted by sewage 483 times in 2023
lasting 6,647 hours

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Constituency

✔ means we have experimental daily data since 2023

Totals for North West Hampshire in 2023

9 Sites polluted by Southern Water, Thames Water

483 sewage dumps
6,647 h duration

That's 9.23 months. On average 1.3 times a day

Change Over Time

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Constituencies near North West Hampshire

Waterways in North West Hampshire

Daily Data Since 2023

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 2023

Here are all the reported sewage overflow totals for North West Hampshire in 2023. 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 9 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	Kingsclere Brook	KINGSCLERE WWTW	134	2,562	99.8
Thames Water	Pound Street Brook	WASHWATER WWTW	111	1,731	99.9
Thames Water	Bow Brook	WEST HEATH RAMSDELL PUMPING STATION	56	913	83.5
Thames Water	Enbourn	Knights Lane	50	743	69.5
Thames Water	Penwood Stream	Blind Mans Gate, Highclere	46	521	99.1
Southern Water	Groundwater	OVERTON WASTEWATER TREATMENT WORKS	23	109	100
Thames Water	Bow Brook	Opposite St Stephen's Hall	60	62	77.6
Thames Water	Silchester Brook	Swains Road	2	3	100
Southern Water	River Anton	ANTON LANE CEO	1	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

With generous support from:

Media Queries

Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

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