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River Great Ouse — photographed by William M. Connolley
Photo: William M. Connolley · CC BY-SA 3.0 · via Wikimedia Commons
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Featured river · great-ouse

River Great Ouse

143 miles across East Anglia. Fishing, paddling, and the Cambridge Backs.

📍 View on national map →📄 Download Truth Report (PDF)⬇ Spills · CSV

56

Storm overflows

0

Active right now

0

Spill events · 24 h

3

Open discrepancies

2

Monitors offline

0

WIMS sampling points

8

Hydrology stations

Spill record· since 6 May 2026 · across the river

589

spill events

292h

cumulative discharge

2 days

longest single event

2026-05-06

first event on record

Truth Engine flags· 3 open

Recent spill events· last 7 days · 2

Monitors offline· 2

Permits to discharge· 27 on the register

The Environment Agency has issued these permits for discharges at sites next to this river's storm overflows. A permit is a legal authorisation with conditions, not a record of what was discharged.

PermitHolderSiteReceiving waterIssued
AN/AECNF10401/003Anglian Water Services LimitedELY LISLE LANEWwTW/Sewage Treatment Works · Sewage - Storm SewageRiver Great Ouse2018-03-31
AN/AECNF10544/004Anglian Water Services LimitedBERRY GREEN PSPumping Station · Sewage - Storm Sewagetributary River Great Ouse2022-02-01
AN/AECNF11098/002Anglian Water Services LimitedCHAPEL TPSPumping Station · Sewage - Storm SewageFEN DRAIN TRIB R. GREAT OUSE2020-10-23
AN/AECNF11328/002Anglian Water Services LimitedELY WILLOW WALK TPSPumping Station · Sewage - Storm SewageRIVER GREAT OUSE2018-03-31
AN/AECTS10312/002Anglian Water Services LimitedKINGS LYNN - FERRY STREET CSOCombined Sewer Overflow · Sewage - Storm SewageTidal River Great Ouse2019-10-01
AN/AECTS10364/003Anglian Water Services LimitedKING'S LYNN TUNNEL PSPumping Station · Sewage - Storm Sewagetidal River Great Ouse1992-08-03
AN/AECTS11056/004Anglian Water Services LimitedKINGS LYNN GAYWOOD CSOWwTW/Sewage Treatment Works · Sewage - Storm SewageTIDAL GREAT RIVER OUSE2018-03-31
AN/AECTS11057/002Anglian Water Services LimitedKINGS LYNN - GAYWOOD OUTFALL 2 CSOCombined Sewer Overflow · Sewage - Storm SewageTIDAL GREAT RIVER OUSE2019-04-26
AN/ASCNF10386/003Anglian Water Services LimitedCONINGTON - FEN DRAYTON RD PSPumping Station · Sewage - Storm SewageTRIBUTARY RIVER GREAT OUSE2020-09-17
AN/AW1NF1091/001Anglian Water Services LimitedSTONY STRATFORDWwTW/Sewage Treatment Works · Sewage - Storm SewageRiver Ouse1973-10-12
AN/AW1NF1320/002Anglian Water Services LimitedKEMPSTON VILLAGE HALL CSOWwTW/Sewage Treatment Works · Sewage - Storm SewageRiver Great Ouse2019-08-05
AN/AW1NF2281/003Anglian Water Services LimitedGODMANCHESTER-WHITE HART TPSPumping Station · Sewage - Storm SewageTrib River Great Ouse2019-01-30
AN/AW1NF2577/002Anglian Water Services LimitedST NEOTS - MARKET SQUARE CSOCombined Sewer Overflow · Sewage - Storm SewageRiver Great Ouse2018-03-31
AN/AW1NF440/002Anglian Water Services LimitedTURVEY TPSTerminal Pumping Station · Sewage - Storm SewageOuse (Newport Pagnell to Roxton)2026-07-03
AN/AWCNF10471/003Anglian Water Services LimitedBUCKINGHAM TOWN PSPumping Station · Sewage - Storm SewageRiver Ouse2019-07-24
AN/AWCNF11086/002Anglian Water Services LimitedWESTON UNDERWOOD STWWwTW/Sewage Treatment Works · Sewage - Storm SewageTRIBUTARY RIVER GREAT OUSE1999-03-18
AN/AWCNF11337/001Anglian Water Services LimitedWATER LANE CSO, SHERINGTONCombined Sewer Overflow · Sewage - Storm Sewagetributary River Great Ouse1996-07-11
AN/AWCNF11935/001Anglian Water Services LimitedROXTON(SCHOOL LANE) PUMPING STATIONWwTW/Sewage Treatment Works · Sewage - Storm SewageDITCH TRIB OF RIVER GREAT OUSE2006-02-10
AN/AWCNF1604/004Anglian Water Services LimitedBUCKINGHAM-WEST STREET CSOCombined Sewer Overflow · Sewage - Storm SewageGREAT RIVER OUSE2019-04-26
AN/AWCNF2464/003Anglian Water Services LimitedPAVENHAM MILL LANE PUMPING STATIONPumping Station · Sewage - Storm SewageRiver Great Ouse2017-08-14
AN/AWCNF2542/003Anglian Water Services LimitedST IVES PRIORY ROAD PUMPING STATIONPumping Station · Sewage - Storm SewageRIVER GREAT OUSE2018-03-29
AN/AWCNF2663/003Anglian Water Services LimitedST IVES THE QUAY PUMPING STATIONPumping Station · Sewage - Storm SewageRiver Ouse2018-03-29
AN/AWCNF2669/003Anglian Water Services LimitedST IVES THE WAITS PUMPING STATIONPumping Station · Sewage - Storm SewageRiver Ouse2018-03-29
AN/AWCNF2676/004Anglian Water Services LimitedTHURLEIGH PS CSO AND EOPumping Station · Sewage - Storm SewageRAVENSDEN BROOK - R.GREAT OUSE2021-01-04
AN/AWCNF2773/004Anglian Water Services LimitedOfford Cluny - Station Lane Terminal Pumping StationPumping Station · Sewage - Storm SewageRIVER GREAT OUSE2026-04-23
AN/EPRNB3291WL/001Anglian Water Services LimitedKINGS LYNN WATER LANE CSOCombined Sewer Overflow · Sewage - Storm SewageTidal River Great Ouse2019-10-01
AN/EPRRB3194RX/001Anglian Water Services LimitedBUCKINGHAM HUNTER STREET CSOCombined Sewer Overflow · Sewage - Storm SewageRIVER GREAT OUSE2020-07-09

Source: Environment Agency, public register of discharges to water and groundwater (England). Current permits only, matched to this river by a permitted discharge point within 100 m of one of its storm overflows. The register does not list the conditions attached to each permit. How we keep the record.