Dartford

Polluted by sewage 11 times in 2025 lasting 85 hours

Monitoring was disabled in some locations, so could be more

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Live data for Dartford in 2026

So far this year (as of 25 Oct 2026, 16:30) there has been 95 hours of sewage overflows, from 9 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Dartford in 2025

2 Sites polluted by Southern Water Thames Water

11 sewage dumps

85 hours duration

Sewage pollution map of Dartford — Sewage pollution map of Dartford: 11 spills in 2025, lasting 85 hours, by Southern Water and Thames Water

That's 3.54 days. 0.9 times a month, over the year

Change Over Time

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Dartford in 2025. 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 1 of the total 4 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	River Thames	LONG REACH WWTW	10	84	99.7
Southern Water	River Thames	MANOR WAY SWANSCOMBE CEO	1	1	100
Thames Water	Darent/Dartford Creek	Dartford Creek Storm	0	0	0
Thames Water	Darent	Priory Road, Dartford (Foul)	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. 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.

Top of the Poops

Analysing sewage pollution by the Water Industry

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