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Pollution Summary 2024

Here are all the reported sewage overflow totals for River Derwent 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 %
Severn Trent Water	River Derwent	WHATSTANDWELL STW	112	2,063	99.8
Severn Trent Water	River Derwent	MATLOCK LEA STW	123	1,773	95.6
Severn Trent Water	River Derwent	BASLOW STW	116	1,316	100
Severn Trent Water	River Derwent	DUFFIELD STW	115	1,032	96.5
Severn Trent Water	River Derwent	DERBY SEWAGE TREATMENT WORKS	72	827	100
Severn Trent Water	River Derwent	DARLEY DALE NO 11 CSO	91	818	98.9
Severn Trent Water	River Derwent	GREEN LANE PUMPING STATION	72	671	97.6
Severn Trent Water	River Derwent	RIDDINGS LANE CSO	113	640	100
Severn Trent Water	River Derwent	MATLOCK BATH - DALE ROAD (COAL ME-	109	601	97.3
Severn Trent Water	River Derwent	AREAS MILFORD & BELPER/SM & EM O/F	136	556	99.13
Severn Trent Water	River Derwent	BELPER SEWAGE TREATMENT WORKS	58	540	98.8
Severn Trent Water	River Derwent	DARLEY BRIDGE CSO	72	469	100
Severn Trent Water	River Derwent	ALVASTON CSO	64	436	100
Severn Trent Water	River Derwent	HATHERSAGE STW	72	427	100
Severn Trent Water	River Derwent	AMBERGATE PS - STORM/EMERGENCY O/F	41	348	74.6
Severn Trent Water	River Derwent	DALE ROAD NORTH CSO	76	293	100
Severn Trent Water	River Derwent	OKER-SNITTERTON-SNITTERTON ROAD SPS	54	267	98.6
Severn Trent Water	River Derwent	KEDLESTON ROAD CSO	59	217	98.6
Severn Trent Water	River Derwent	CSO @ DARLEY BRIDGE PUMPING STATION	48	186	100
Severn Trent Water	River Derwent	DALE ROAD NORTH (RLWY) CSO	48	171	100
Severn Trent Water	River Derwent	DERBY ROAD	76	164	99.8
Severn Trent Water	River Derwent	EASTGATE PENTAGON ISLAND CSO	24	135	99.7
Severn Trent Water	River Derwent	DERBY ROAD CSO	48	129	97
Severn Trent Water	River Derwent	BRIDGE HILL/BELPER LANE CSO	71	127	100
Severn Trent Water	River Derwent	THE RAILWAY LINE CSO	64	113	96.9
Severn Trent Water	River Derwent	OPPOSITE THE LODGE CSO	35	103	84.8
Severn Trent Water	River Derwent	SANDRINGHAM DRIVE CSO	31	101	100
Severn Trent Water	River Derwent	OFF STONEY GATE ROAD CSO	31	83	79.3
Severn Trent Water	River Derwent	BRIDGE FOOT COMBINED SEWER OVERFLOW	19	81	100
Severn Trent Water	River Derwent	DARLEY DALE - FOUR ENDS SPS	20	75	98
Severn Trent Water	River Derwent	CARBOLITE CSO	19	73	99.9
Severn Trent Water	River Derwent	WAYZGOOSE COMBINED SEWER OVERFLOW	24	72	100
Severn Trent Water	River Derwent	MH AT JUNCTION OF BLACK TOR ROAD	30	68	93.6
Severn Trent Water	River Derwent	STATION APPROACH CSO	29	67	96.5
Severn Trent Water	River Derwent	DALE RD SOUTH-OFF OLD HACKNEY LANE	24	67	100
Severn Trent Water	River Derwent	SEWER MH CROMFORD MEADOWS	9	66	100
Severn Trent Water	River Derwent	MH NR STARKHOLMES FOOTBRIDGE	35	65	100
Severn Trent Water	River Derwent	BRIDGE STREET CSO	73	65	100
Severn Trent Water	River Derwent	LIME GROVE WALK/BANK ROAD PO CSO	84	65	92.3
Severn Trent Water	River Derwent	NOTTINGHAM ROAD CSO	18	58	69.2
Severn Trent Water	River Derwent	ALLESTREE SEWAGE PUMPING STATION	19	52	100
Severn Trent Water	River Derwent	ANGLERS LANE CSO	14	41	100
Severn Trent Water	River Derwent	BRIDGE STREET-FIELD LANE JCN CSO	40	40	100
Severn Trent Water	River Derwent	BROADHOLME PUMPING STATION	9	38	96.9
Severn Trent Water	River Derwent	DRAYCOTT SPS - EMERGENCY OVERFLOW	4	34	100
Severn Trent Water	River Derwent	RAILWAY BRIDGE/DALE ROAD CSO	40	19	99.2
Severn Trent Water	River Derwent	MATLOCK MH79 UDC - IMPERIAL ROAD CS	37	11	100
Severn Trent Water	River Derwent	HOMESFORD SEWAGE PUMPING STN	13	9	93.2
Severn Trent Water	River Derwent	DERBY ROAD CSO	11	8	100
Severn Trent Water	River Derwent	DARLEY ABBEY CSO	22	7	97.9
Severn Trent Water	River Derwent	ENDSOR SEWAGE P S	9	7	98.8
Severn Trent Water	River Derwent	BONSALL DALE MH AT JUNCTION	7	4	100
Severn Trent Water	River Derwent	CHURCH ROAD CSO	24	3	100
Severn Trent Water	River Derwent	BARGATE ROAD CSO	1	1	100
Severn Trent Water	River Derwent	NORTHWOOD LANE CSO	4	0	100
Severn Trent Water	River Derwent	BANK ROAD COMBINED SEWER OVERFLOW	2	0	100
Severn Trent Water	River Derwent	BAKEWELL ROAD / DIMPLE ROAD CSO	1	0	100
Severn Trent Water	River Derwent	STATION ROAD CSO	2	0	100
Severn Trent Water	River Derwent	DERBY ROAD/NEWBRIDGE ROAD JCT CSO	1	0	100
Severn Trent Water	River Derwent	DARLEY ABBEY/ALLESTREE SW-STM/EMG	0	0	100
Severn Trent Water	River Derwent	WILMORTON COLLEGE/HARROW STREET CSO	0	0	100
Severn Trent Water	River Derwent	MEADOW ROAD SPS	0	0	99.1
Severn Trent Water	River Derwent	SEWER MH WOODEND LEA ROAD	0	0	100
Severn Trent Water	River Derwent	MH NEAR BONSALL CROSS	0	0	99.8
Severn Trent Water	River Derwent	THE FLEET COMBINED SEWER OVERFLOW	0	0	23.3
Severn Trent Water	River Derwent	CASTLE ORCHARD PUMPING STATION	0	0	94.8
Severn Trent Water	River Derwent	CASTLE ORCHARD CSO	0	0	100

River Derwent polluted by sewage 2,675 times in 2024 - lasting 15,729 hours

59 Sites polluted by Severn Trent Water

Pollution Summary 2024

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