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Pollution Summary 2024

Here are all the reported sewage overflow totals for River Thames in 2024. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	River Thames	CRICKLADE WWTW	107	1,378	100
Thames Water	River Thames	BRIXTON STORM RELIEF SEWER, LONDON	101	1,172	93.4
Thames Water	River Thames	SLOANE STREET, RANELAGH GDNS, LONDO	97	948	99.5
Thames Water	River Thames	PUTNEY BRIDGE STREET, LONDON	127	853	90.5
Thames Water	River Thames	HATCHETTS SPS	56	698	99.5
Thames Water	River Thames	SW STORM RELIEF SEWER, LONDON	38	409	98.9
Thames Water	River Thames	LONG REACH WWTW	38	332	99.9
Thames Water	River Thames	DEPTFORD STORM RELIEF, LONDON	43	177	97.2
Thames Water	River Thames	HEATH WALL PS, LONDON	39	136	100
Thames Water	River Thames	HAMMERSMITH PS, LONDON	27	129	49.8
Thames Water	River Thames	HAMBLEDON SEWAGE TREATMENT WORKS	8	105	97.8
Thames Water	River Thames	FLEET MAIN LINE SEWER, LONDON	48	103	99.67
Thames Water	River Thames	FALCON BROOK PS, LONDON	39	101	99.6
Thames Water	River Thames	EARL PS STORM OUTLET, LONDON	23	98	100
Thames Water	River Thames	GREENWICH PS, GREENWICH, LONDON	12	91	97.5
Thames Water	River Thames	WESTERN PS LOW LEVEL SEWER, LONDON	18	73	99.9
Thames Water	River Thames	COUNTERS CREEK, LOTS ROAD PS, LONDO	21	71	100
Thames Water	River Thames	LITTLE MARLOW STW ( WOOBURNVALLEY )	9	59	99.6
Thames Water	River Thames	HORSEFERRY ROAD SEWER, LONDON	17	46	98.5
Thames Water	River Thames	NORTHUMBERLAND STREET, LONDON	16	37	98.8
Thames Water	River Thames	IRONGATE SEWER, LONDON	35	34	94.5
Thames Water	River Thames	LOWER THAMES STREET, BEER LANE, LON	35	31	100
Thames Water	River Thames	SHAD, THAMES PS, LONDON	12	29	100
Thames Water	River Thames	REGENT STREET, LONDON	13	28	99.7
Thames Water	River Thames	WOOD STREET, LONDON	9	23	85.7
Thames Water	River Thames	NORFOLK STREET, LONDON	10	22	99.8
Thames Water	River Thames	TIDEWAY COMBINED SEWER OVERFLOW	4	19	100
Thames Water	River Thames	KINGS SCHOLARS POND SEWER, LONDON	9	19	99.9
Thames Water	River Thames	PETERSHAM ROAD CSO	8	18	98.2
Thames Water	River Thames	SMITH STREET, LONDON	16	13	77.1
Thames Water	River Thames	CSO AT PORTSMOUTH/UXBRIDGE ROAD	6	6	99.6
Thames Water	River Thames	HOLLOWAY STORM SEWER, LONDON	4	6	87.3
Thames Water	River Thames	WANDLE VALLEY, LONDON	2	5	100
Thames Water	River Thames	NW. RELIEF SEWER, LOWER MALL, LONDO	5	5	99.4
Thames Water	River Thames	STAMFORD BROOK, HAMMERSMITH, LONDON	4	4	78.7
Thames Water	River Thames	CHURCH STREET SEWER, LONDON	4	3	100
Thames Water	River Thames	LOW LEVEL 1, LOWER MALL, LONDON	2	3	100
Thames Water	River Thames	WAPPING DOCK, GUN WHARF, LONDON	1	2	100
Thames Water	River Thames	SAVOY STREET, LONDON	5	1	97.3
Thames Water	River Thames	QUEEN STREET, LONDON	3	1	99.5
Thames Water	River Thames	CHARLTON STORM RELIEF, LONDON	3	1	98.77
Thames Water	River Thames	ISLE OF DOGS PUMPING STATION CSO	1	1	100
Thames Water	River Thames	GOSWELL STREET, S. BRANCH SEWER, LO	2	1	99.9

River Thames polluted by sewage 1,077 times in 2024 - lasting 7,309 hours

43 Sites polluted by Thames Water

Pollution Summary 2024

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