Lewes was polluted by sewage 1,629 times in 2023
lasting 19,119 hours - that's 2.21 years!
- but monitoring was disabled in some locations, so could be more

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Constituency

✔ means we have experimental daily data since 2023

Totals for Lewes in 2023

27 Sites polluted by Southern Water

1,629 sewage dumps
19,119 h duration

That's 2.21 years! On average 4.5 times a day

Change Over Time

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Constituencies near Lewes

Waterways in Lewes

Pollution Summary 2023

Here are all the reported sewage overflow totals for Lewes 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 1 of the total 32 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Southern Water	Tidal River Ouse	HAM LANE LEWES SETTLES STORM TANK	243	4,830	100
Southern Water	Bevern Stream	DITCHLING WWTW	151	2,657	93.1
Southern Water	Bulldog Sewer / Glynde Reach	NEAVES LANE RINGMER WWTW	105	1,511	100
Southern Water	River Cuckmere	THE SPOTS P.S. ALFRISTON	121	1,420	99.9
Southern Water	Unnamed Glynde Reach/Ouse	RIPE WWTW	73	1,081	100
Southern Water	English Channel	NEWHAVEN WWTW	138	1,040	99.7
Southern Water	Bevern Stream	BARCOMBE NEW S.T.W.	91	995	98
Southern Water	River Ouse	JACKIES LANE NEWICK CEO	62	627	99.8
Southern Water	River Ouse	NEWICK WWTW	68	607	99.85
Southern Water	Mill Ditch	POLEGATE CEO	68	595	99.7
Southern Water	River Adur	WIVELSFIELD S.T.W.	54	509	99.9
Southern Water	Freshwater River	HAZELDEN PS CSO	65	505	100
Southern Water	Celery Sewer River Ouse	KINGSTON HOLLOW WWTW	77	481	99.9
Southern Water	Mill Ditch	POLEGATE NO.1 CSO LYNHOLM RD POLEGT	57	461	99.7
Southern Water	Glynde Reach	GLYNDE NORTH PUMPING STATION	17	325	100
Southern Water	Glynde Reach River Ouse	GLYNDE SOUTH CEO	23	295	99.6
Southern Water	North End Stream.River Ouse	COOKSBRIDGE WWPS COOKSBRIDGE	37	286	100
Southern Water	River Ouse	COURT ROAD WWPS, LEWES	67	284	100
Southern Water	Wannock Mill Stream	SOUTHFIELD POLEGATE CSO E'BOURNE RD	18	208	99.6
Southern Water	Bevern Stream	STRAWLANDS WWPS	25	191	99.7
Southern Water	Glynde Reach	SELMESTON CROSSING S.P.S, SELMESTON	17	80	99.9
Southern Water	Groundwaters Via Infiltration	EAST DEAN WWTW	10	31	99.7
Southern Water	Longford Stream	SOUTH STREET CHAILEY SPS	5	28	99.9
Southern Water	Tidal River Ouse	SEAFORD BAY OUTFALL	6	24	100
Southern Water	English Channel	CLIFF END WWPS SEAFORD	27	18	99.9
Southern Water	River Ouse	FORT ROAD WASTEWATER PS	3	18	100
Southern Water	Freshwater River	HIGH STREET POLEGATE	1	0	50.1
Southern Water	Tidal River Ouse	DENTON ISLAND NEWHAVEN CSO	0	0	75.5
Southern Water	Freshwater River	BLACKMORES FARM CSO	0	0	64.3
Southern Water	Unnamed Herrings Stream	SOUTH STREET DITCHLING CSO	0	0	0
Southern Water	River Ouse	BEACH ROAD CSO, NEWHAVEN	0	0	64.6
Southern Water	English Channel At Seaford Bay	MARTELLO ROAD SEAFORD CSO	0	0	92.3

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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