Gillingham and Rainham was polluted by sewage 505 times in 2024
lasting 959 hours

Constituency

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✔ means we have experimental daily data since 2023

Live data for Gillingham and Rainham in 2025

So far this year (as of Apr 16, 2025, 5:45 PM) there has been 2,243 hours of sewage overflows

Totals for Gillingham and Rainham in 2024

19 Sites polluted by Southern Water

505 sewage dumps
959 h duration

That's 1.33 months. On average 1.4 times a day

Change Over Time

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Constituencies near Gillingham and Rainham

Waterways in Gillingham and Rainham

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Gillingham and Rainham, 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 Gillingham and Rainham 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 27 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 %
Southern Water	Medway Estaury	MOTNEY HILL WWTW	84	348	97.6
Southern Water	River Medway	THE STRAND GILLINGHAM CEO	67	138	99.5
Southern Water	Otterham Creek	BROOMCROFT ROAD, GILLINGHAM CSO	60	108	67.6
Southern Water	River Medway	HAWTHORNE AVENUE GILLINGHAM CSO	57	65	100
Southern Water	Otterham Creek	ORCHARD STREET GILLINGHAM CSO	61	61	99.9
Southern Water	Otterham Creek	STATION ROAD RAINHAM CSO	7	59	79
Southern Water	River Medway	LOWER TWYDALL LANE GILLINGHAM CSO	6	38	100
Southern Water	Otterham Creek	MAIDSTONE ROAD RAINHAM CSO	32	35	99.9
Southern Water	River Medway	BERENGRAVE/CHALKY BK GILLINGHAM CS0	25	32	67
Southern Water	River Medway	WILLIAM STREET RAINHAM CSO	21	22	100
Southern Water	River Medway Estuary	PUMP LANE GILLINGHAM TANK CSO	14	20	94.8
Southern Water	River Medway Estuary	WOODCHURCH CRESCENT GILLINGHAM CSO	24	11	100
Southern Water	Saline Estuary	CSO BEECHINGS WAY NO 3	25	10	100
Southern Water	Otterham Creek	WOODSIDE WIGMORE CSO	8	4	99.9
Southern Water	River Medway	HERNE ROAD GILLINGHAM CSO	7	1	100
Southern Water	Gillingham Reach/ Medway Est	ST MARYS ROAD GILLINGHAM CSO	4	0	100
Southern Water	Medway Estuary	SAUNDERS STREET GILLINGHAM CSO	1	0	99.8
Southern Water	River Medway Estuary	LOWER RAINHAM ROAD LOWER RAINHAM PS	1	0	100
Southern Water	River Medway	FERNDALE ROAD GILLINGHAM CSO	1	0	100
Southern Water	River Medway Estuary	PUMP LANE GILLINGHAM NO.1 CSO	0	0	16.8
Southern Water	Otterham Creek	CHALKY BANK ROAD GILLINGHAM CSO	0	0	91.3
Southern Water	River Medway Estuary	PUMP LANE GILLINGHAM NO.2 CSO	0	0	100
Southern Water	River Medway	HIGH STREET RAINHAM CSO	0	0	59.6
Southern Water	Saline Estuary	MEDWAY ROAD CSO	0	0	98.9
Southern Water	Gillingham Reach/ Medway Est	SAUNDERS STREET GILLINGHAM CSO	0	0	87.1
Southern Water	River Medway Estuary	DIAL ROAD GILLINGHAM CSO	0	0	15
Southern Water	River Medway	PLANTATION ROAD GILLINGHAM CSO	0	0	98.3

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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