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Live data for Derbyshire Dales in 2026

So far this year (as of 25 Oct 2026, 22:30) there has been 22,854 hours of sewage overflows, from 202 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s - that's 2.65 years!

Sewage without rain in Derbyshire Dales

On 9 occasions since December 2024, no rain fell anywhere in Derbyshire Dales for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

11 Apr - 12 Apr 2025 1 at once · 13h 9 Jul 2026 1 at once · 10h 11 Mar 2025 1 at once · 10h

Totals for Derbyshire Dales in 2025

82 Sites polluted by Severn Trent Water

2,585 sewage dumps

19,828 hours duration

Sewage pollution map of Derbyshire Dales: 2,585 spills in 2025, lasting 19,828 hours, by Severn Trent Water

That's 2.29 years. On average 7.1 times a day

Change Over Time

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Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Severn Trent Water	Bradwell Brook	THE CRESCENT CSO	127	1,394	100
Severn Trent Water	River Derwent	MATLOCK LEA STW	77	1,281	100
Severn Trent Water	River Ecclesbourne	WIRKSWORTH STW	74	1,121	99.7
Severn Trent Water	Bradwell Brook	BRADWELL STW	71	1,108	100
Severn Trent Water	Kniveton Brook	KNIVETON STW	84	995	99.6
Severn Trent Water	River Derwent	WHATSTANDWELL STW	58	986	100
Severn Trent Water	River Derwent	MATLOCK BATH - DALE ROAD (COAL ME-	118	976	100
Severn Trent Water	River Wye	BAKEWELL SEWAGE TREATMENT WORKS	57	969	99.9
Severn Trent Water	River Derwent	BASLOW STW	86	915	100
Severn Trent Water	River Derwent	DARLEY DALE NO 11 CSO	84	803	99.9
Severn Trent Water	Tideswell Brook	TIDESWELL STW	68	772	99.9
Severn Trent Water	River Wye	THE POST OFFICE CSO	57	728	100
Severn Trent Water	Henmore Brook	HOGNASTON SEWAGE TREATMENT WORKS	61	667	94.4
Severn Trent Water	Bentley Brook	ASHBOURNE STW	44	638	99.9
Severn Trent Water	Brailsford Brook	BRAILSFORD SEWAGE TREATMENT WORKS	74	569	97.3
Severn Trent Water	River Derwent	HATHERSAGE STW	58	451	100
Severn Trent Water	River Dove	DOVERIDGE PUMPING STATION	29	366	100
Severn Trent Water	River Derwent	DALE ROAD NORTH CSO	71	314	99.6
Severn Trent Water	River Derwent	CSO @ DARLEY BRIDGE PUMPING STATION	63	299	100
Severn Trent Water	Hilton Brook	HILTON - EGGINGTON ROAD SPS	20	289	100
Severn Trent Water	River Dove	SUDBURY SEWAGE TREATMENT WORKS	41	263	99.5
Severn Trent Water	River Lathkill	BOWERS HALL CSO	54	262	99.4
Severn Trent Water	River Trent	GRINDLEFORD SEWAGE P S	35	251	77.9
Severn Trent Water	Receiving Water Not Defined	MH NEAR CROMFORD MILL POND	58	235	91.8
Severn Trent Water	River Derwent	DARLEY BRIDGE CSO	52	217	97.8
Severn Trent Water	Bentley Brook	CUBLEY SEWAGE TREATMENT WORKS	30	217	99.1
Severn Trent Water	Cromford Canal	CROMFORD - MARKET PLACE CSO	58	216	100
Severn Trent Water	Digmer Brook	HARTINGTON WWTW	18	182	99.6
Severn Trent Water	River Derwent	DALE ROAD NORTH (RLWY) CSO	44	177	99.7
Severn Trent Water	River Wye	HADDON ROAD PPG STN - STM/EMEG O.F	47	172	99.2
Severn Trent Water	River Derwent	OKER-SNITTERTON-SNITTERTON ROAD SPS	21	110	100
Severn Trent Water	Thorpe Brook	CHURCH LANE PUMPING STATION	19	107	87.5
Severn Trent Water	Bentley Brook	STONEY WAY COMBINED SEWER OVERFLOW	32	102	100
Severn Trent Water	Marston Brook	MARSTON MONTGOMERY STW	17	101	99.5
Severn Trent Water	Biggin Brook	HULLAND WARD STW	20	93	85.8
Severn Trent Water	River Derwent	RAILWAY BRIDGE/DALE ROAD CSO	23	86	98.8
Severn Trent Water	Longford Brook	YEAVELEY STW	24	78	65.8
Severn Trent Water	Hilton Brook	HATTON SEWAGE PUMPING STATION	11	77	100
Severn Trent Water	River Dove	MANOR HOUSE FARM	6	72	100
Severn Trent Water	Foston Brook	FOSTON PUMPING STATION	6	71	99.8
Severn Trent Water	River Derwent	DARLEY DALE - FOUR ENDS SPS	16	70	100
Severn Trent Water	River Derwent	DALE RD SOUTH-OFF OLD HACKNEY LANE	25	70	100
Severn Trent Water	Henmore Brook	KING EDWARD STREET CSO	21	64	100
Severn Trent Water	Shirley Brook	OSMASTON PUMPING STATION	16	64	99.9
Severn Trent Water	Hilton Brook	HILTON- MILL LANE CSO	5	52	100
Severn Trent Water	River Derwent	MATLOCK MH79 UDC - IMPERIAL ROAD CS	37	52	100
Severn Trent Water	Lea Brook	HOLLOWAY - LEA ROAD CSO	25	51	92.9
Severn Trent Water	Bentley Brook	WEBSTERS TERRACE CSO	22	50	99.5
Severn Trent Water	River Wye	KING STREET COMBINED SEWER OVERFLOW	32	50	100
Severn Trent Water	Bentley Brook	TANSLEY OLD COACH ROAD (POND) CSO	13	47	99.3
Severn Trent Water	River Wye	BASLOW ROAD CSO	16	46	99.9
Severn Trent Water	Brailsford Brook	BRAILSFORD COMBINED SEWER OVERFLOW	16	46	100
Severn Trent Water	Bar Brook	BASLOW SEWAGE P S	4	42	99.9
Severn Trent Water	River Derwent	RIDDINGS LANE CSO	48	41	99.3
Severn Trent Water	Henmore/Scow Brook	NEAR NESTLES SLUICE GATES	13	39	96.3
Severn Trent Water	Henmore/Scow Brook	NORTHERN AREA SEWERAGE	16	35	99.4
Severn Trent Water	River Derwent	LIME GROVE WALK/BANK ROAD PO CSO	61	33	100
Severn Trent Water	River Derwent	MH AT JUNCTION OF BLACK TOR ROAD	22	32	93.3
Severn Trent Water	Dale Brook	CALVER - SHEFFIELD ROAD CSO	9	27	100
Severn Trent Water	Bentley Brook	TANSLEY OLD COACH ROAD CSO	23	21	99.8
Severn Trent Water	River Derwent	ENDSOR SEWAGE P S	8	19	100
Severn Trent Water	Franker Brook	COWERS LANE PUMPING STATION	12	17	99.8
Severn Trent Water	Bentley Brook	MATLOCK-KNOWLESTON PLACE SPS	11	15	100
Severn Trent Water	River Dove	CROWDECOTE SEWAGE TREATMENT WORKS	9	15	100
Severn Trent Water	Warney Brook	TWO DALES - CHESTERFIELD RD CSO	15	14	99.8
Severn Trent Water	Warney Brook	TWO DALES GARAGE CSO	7	13	100
Severn Trent Water	Warney Brook	DARLEY DALE / DALE ROAD NORTH CSO	14	8	98.8
Severn Trent Water	Bentley Brook	MATLOCK GREEN_MORNINGTON RISE CSO	7	7	100
Severn Trent Water	River Derwent	HOMESFORD SEWAGE PUMPING STN	9	5	99
Severn Trent Water	Shirley Brook	SHIRLEY SEWAGE TREATMENT WORKS	5	5	100
Severn Trent Water	Hood Brook	HATHERSAGE MILL LANE CSO	6	4	92
Severn Trent Water	Tideswell Brook	LITTON COMBINED SEWER OVERFLOW	4	2	95.9
Severn Trent Water	River Wye	NORTH CHURCH STREET CSO	12	1	99.6
Severn Trent Water	River Derwent	BONSALL DALE MH AT JUNCTION	3	1	98.8
Severn Trent Water	River Derwent	BANK ROAD COMBINED SEWER OVERFLOW	4	1	100
Severn Trent Water	Warney Brook	TWO DALES - GREENWAY/ODDFORD LN CSO	6	0	100
Severn Trent Water	River Derwent	STATION ROAD CSO	6	0	98.8
Severn Trent Water	River Derwent	NORTHWOOD LANE CSO	4	0	91.4
Severn Trent Water	Warney Brook	TWO DALES - CHESTERFIELD ROAD CSO	3	0	99.5
Severn Trent Water	River Derwent	MH NEAR BONSALL CROSS	1	0	98.7
Severn Trent Water	River Dove	SCHOOL LANE CSO	1	0	97.1
Severn Trent Water	Bentley Brook	MATLOCK GREEN/LIME TREE RD CSO	1	0	99.3
Severn Trent Water	River Derwent	BAKEWELL ROAD / DIMPLE ROAD CSO	0	0	100
Severn Trent Water	River Wye	MARKET STREET CSO	0	0	99.9
Severn Trent Water	River Derwent	MH NR STARKHOLMES FOOTBRIDGE	0	0	0
Severn Trent Water	River Wye	SCHOOL LANE TERMINAL PS	0	0	100
Severn Trent Water	River Derwent	SEWER MH CROMFORD MEADOWS	0	0	100
Severn Trent Water	River Derwent	SEWER MH WOODEND LEA ROAD	0	0	100
Severn Trent Water	Wyaston Brook	WYASTON SEWAGE TREATMENT WORKS	0	0	99.4

Derbyshire Dales

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Live data for Derbyshire Dales in 2026

Sewage without rain in Derbyshire Dales

Totals for Derbyshire Dales in 2025

82 Sites polluted by Severn Trent Water

Change Over Time

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Waterways in Derbyshire Dales

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