Storm overflow register · 2025 annual return

Northumbrian Water storm overflows, 2025

Northumbrian Water reported 1,561 storm overflows in England for 2025. Together they recorded 27,860 spills over 123,803 hours, an average of 17.8 spills per overflow against 20.4 across England. That ranks 5 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 32% on 2024.

255 overflows did not spill · 69 spilled more than 60 times · 1,359 had monitors working for 90% of the year or more · 183 sewage treatment works with overflows

Hours spilling by month, 2025

Hours spilling, all Northumbrian Water overflows, from the start/stop records. Spills running across a month end are split between the months.

All Northumbrian Water storm overflows

Sorted by hours spilling. Open an overflow for its permit, location, reasons for high spills and improvement status.

Overflow	Discharges to	Spills 2025	Hours 2025	Spills vs 2024	Monitor uptime
Hamsterley Mill Pumping Station Storm discharge at pumping station EA ID / permit NWL00643 · 234/1084 Outlet location NZ1443156626 (OS grid reference) · View on Apple Maps WFD catchment Pont Burn Catchment (trib of Derwent) (GB103023074780) 2024 spills / hours 54 / 245 Long-term average 51.2 spills a year (monitored since 2013) High-spill reason (company) Performance - SW Infiltration Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement completed Volume & pollution Estimate from 135 hours spilling →	Pont Burn (River Derwent)	48	135	down 11%	93%
Throstles Nest SPS Storm discharge at pumping station EA ID / permit NWL01383 · 255/1203 Outlet location NZ3942039833 (OS grid reference) · View on Apple Maps WFD catchment Castle Eden Burn from Source to North Sea (GB103025075930) 2024 spills / hours 21 / 151 Long-term average 11.3 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 135 hours spilling →	Gore Burn	32	135	up 52%	100%
Berwick PS No 7 Storm discharge at pumping station EA ID / permit NWL00124 · 210/1351 Outlet location NU0031454258 (OS grid reference) · View on Apple Maps WFD catchment Northumberland North (GB650301440000) 2024 spills / hours 103 / 523 Long-term average 84.7 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 134 hours spilling →	North Sea	73	134	down 29%	100%
High Pittington SPS Storm discharge at pumping station EA ID / permit NWL01586 · EPREB3754TL Outlet location NZ3327543818 (OS grid reference) · View on Apple Maps WFD catchment Pittington Beck from Coalford to Old Durham Beck (GB103024077540) 2024 spills / hours 13 / 90 Long-term average 28.0 spills a year (monitored since 2025) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 134 hours spilling →	Coalford Beck	28	134	up 115%	100%
Longframlington SSO Overflow on sewer network EA ID / permit NWL00808 · 223/G/0102 Outlet location NU1340001500 (OS grid reference) · View on Apple Maps WFD catchment Swarland Burn Catchment (trib of Coquet) (GB103022076660) 2024 spills / hours 29 / 134 Long-term average 24.6 spills a year (monitored since 2015) High-spill reason (company) Not asset maintenance - Hydraulic capacity Monitor below 90% Power failure / issue · Resolved - January after reporting year Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 134 hours spilling →	Fence Burn	36	134	up 24%	90%
Crathorne Sewage P.Stn Storm discharge at pumping station EA ID / permit NWL00368 · QR.25/04/1582 Outlet location NZ4416307544 (OS grid reference) · View on Apple Maps WFD catchment Leven from Tame to River Tees (GB103025071880) 2024 spills / hours 44 / 244 Long-term average 46.5 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 134 hours spilling →	Tributary of the River Leven	35	134	down 20%	100%
Newton Bewley CSO 2 (Billingham STW) Overflow on sewer network EA ID / permit NWL01573 · EPRFP3225PW Outlet location NZ4846325841 (OS grid reference) · View on Apple Maps WFD catchment Tees water body (GB510302509900) 2024 spills / hours 48 / 172 Long-term average 43.5 spills a year (monitored since 2024) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 133 hours spilling →	Tees Estuary	39	133	down 19%	100%
Satley STW Inlet overflow at sewage works Sewage works Satley EA ID / permit NWL01143 · 244/0042 Outlet location NZ1200943833 (OS grid reference) · View on Apple Maps WFD catchment Browney from Source to Pan Burn (GB103024077310) 2024 spills / hours 59 / 352 Long-term average 55.6 spills a year (monitored since 2021) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 132 hours spilling →	Steeley Burn	50	132	down 15%	95%
Greenhead PS Storm discharge at pumping station EA ID / permit NWL00622 · 232/0987 Outlet location NY6607065170 (OS grid reference) · View on Apple Maps WFD catchment Tipalt Burn from Source to South Tyne (GB103023075580) 2024 spills / hours 28 / 147 Long-term average 30.0 spills a year (monitored since 2020) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 132 hours spilling →	Tipalt Burn	22	132	down 21%	100%
Shotton Lane CSO Overflow on sewer network EA ID / permit NWL01201 · 255/1194 Outlet location NZ4029940413 (OS grid reference) · View on Apple Maps WFD catchment Castle Eden Burn from Source to North Sea (GB103025075930) 2024 spills / hours 43 / 169 Long-term average 43.3 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 131 hours spilling →	Calfpasture Burn	37	131	down 14%	99%
Hustledown STW Storm tank at sewage works Sewage works Hustledown EA ID / permit NWL00723 · 245/1247 Outlet location NZ2133151601 (OS grid reference) · View on Apple Maps WFD catchment Twizell Burn from Source to Cong Burn (GB103024077590) 2024 spills / hours 50 / 630 Long-term average 54.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 130 hours spilling →	Twizell Burn	23	130	down 54%	100%
Cramlington Sewage Treatment Works Inlet overflow at sewage works Sewage works Cramlington EA ID / permit NWL00340 · 226/1187 Outlet location NZ2952082460 (OS grid reference) · View on Apple Maps WFD catchment BLYTH (N) (GB510302203200) 2024 spills / hours 55 / 497 Long-term average 40.7 spills a year (monitored since 2020) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 130 hours spilling →	River Blyth (Saline Estuary)	29	130	down 47%	100%
Staindrop Pumping Station Storm discharge at pumping station EA ID / permit NWL01270 · 252/1020 Outlet location NZ1430419738 (OS grid reference) · View on Apple Maps WFD catchment Sudburn Beck from Source to Langley Beck (GB103025072270) 2024 spills / hours 54 / 417 Long-term average 45.1 spills a year (monitored since 2013) High-spill reason (company) Performance - SW Infiltration Investigation Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 129 hours spilling →	Langley Beck	33	129	down 39%	100%
Moor Crescent CSO Overflow on sewer network EA ID / permit NWL00823 · 245/1256 Outlet location NZ3582741273 (OS grid reference) · View on Apple Maps WFD catchment Old Durham Beck from Source to Pittington Beck (GB103024077490) 2024 spills / hours 39 / 140 Long-term average 49.0 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 129 hours spilling →	Shadforth Beck	32	129	down 18%	100%
Ouseburn West PS Storm discharge at pumping station EA ID / permit NWL00990 · 235/1824 Outlet location NZ2641364085 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 70 / 325 Long-term average 38.2 spills a year (monitored since 2020) High-spill reason (company) Performance - SW Infiltration Monitor below 90% Telemetry or data archiving failure / issue · Resolved - Feb Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 129 hours spilling →	River Tyne Saline Estuary	38	129	down 46%	88%
Mainsforth Terrace SPS Storm discharge at pumping station EA ID / permit NWL00842 · 255/1095 Outlet location NZ5199931956&NZ5179731901 (OS grid reference) · View on Apple Maps WFD catchment Tees Coastal (GB650301500005) Bathing water Seaton Carew North 2024 spills / hours 4 / 4.0 Long-term average 21.2 spills a year (monitored since 2018) High-spill reason (company) Data collection - Tidal / river inundation Monitor below 90% Installation set-up/design issue · Resolved - Aug Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 129 hours spilling →	North Sea	35	129	up 775%	31%
Pelton Fell Road 3 CSO CH14 Overflow on sewer network EA ID / permit NWL01024 · 245/1314 Outlet location NZ2589751664 (OS grid reference) · View on Apple Maps WFD catchment Cong Burn from Twizell Burn to Wear (GB103024077600) 2024 spills / hours 40 / 129 Long-term average 49.1 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 127 hours spilling →	Chester Burn	45	127	up 13%	99%
West End SPS Storm discharge at pumping station EA ID / permit NWL01482 · 25/04/1596 Outlet location NZ5195507732 (OS grid reference) · View on Apple Maps WFD catchment Leven from Source to Tame (GB103025071890) 2024 spills / hours 35 / 96 Long-term average 25.3 spills a year (monitored since 2019) Monitor below 90% Comms failure / issue · Not Applicable - Ongoing investigation Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 127 hours spilling →	River Leven	14	127	down 60%	84%
Palm Terrace CSO Overflow on sewer network EA ID / permit NWL01004 · 235/1717 Outlet location NZ1850854816 (OS grid reference) · View on Apple Maps WFD catchment Team from Source to Tyne (GB103023075670) 2024 spills / hours 43 / 418 Long-term average 17.4 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 127 hours spilling →	Farlieth Burn	21	127	down 51%	99%
Billingham STW Storm tank at sewage works Sewage works Billingham EA ID / permit NWL00131 · 254/1965 Outlet location NZ4846025840 (OS grid reference) · View on Apple Maps WFD catchment Tees (GB510302509900) 2024 spills / hours 20 / 72 Long-term average 37.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 127 hours spilling →	North Sea	25	127	up 25%	100%
Castletown Way SPS Storm discharge at pumping station EA ID / permit NWL00257 · 245/0937 Outlet location NZ3687258203 (OS grid reference) · View on Apple Maps WFD catchment River Wear (GB510302402900) 2024 spills / hours 59 / 277 Long-term average 43.6 spills a year (monitored since 2021) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 126 hours spilling →	River Wear	40	126	down 32%	100%
Ramshaw Sewage Treatment Works Inlet overflow at sewage works Sewage works Ramshaw EA ID / permit NWL01083 · 242/1071 Outlet location NZ1532425947 (OS grid reference) · View on Apple Maps WFD catchment Gaunless from Source to Hummer Beck (GB103024072690) 2024 spills / hours 59 / 164 Long-term average 48.8 spills a year (monitored since 2021) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 125 hours spilling →	Gaunless	43	125	down 27%	100%
Browney STW Storm tank at sewage works Sewage works Browney EA ID / permit NWL00209 · 244/0985 Outlet location NZ2587038500 (OS grid reference) · View on Apple Maps WFD catchment Browney from Deerness confl to Wear (GB103024077552) 2024 spills / hours 20 / 60 Long-term average 22.6 spills a year (monitored since 2021) Monitor below 90% Telemetry or data archiving failure / issue · Resolved - Aug Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 125 hours spilling →	Browney	16	125	down 20%	81%
Seaham Sewage Treatment Works Inlet overflow at sewage works Sewage works Seaham EA ID / permit NWL01166 · 255/1125 Outlet location NZ4529047170 (OS grid reference) · View on Apple Maps WFD catchment Tyne and Wear (GB650301500002) 2024 spills / hours 54 / 612 Long-term average 48.7 spills a year (monitored since 2020) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 124 hours spilling →	North Sea	25	124	down 54%	98%
Swarland Old Sewage Works CSO Overflow on sewer network EA ID / permit NWL01336 · 223/0947 Outlet location NU1707003330 (OS grid reference) · View on Apple Maps WFD catchment Coquet from Forest Burn to Tidal Limit (GB103022076693) 2024 spills / hours 33 / 244 Long-term average 22.7 spills a year (monitored since 2013) Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 124 hours spilling →	Mere Burn	18	124	down 45%	97%
Carlton Village Pumping Station Storm discharge at pumping station EA ID / permit NWL00249 · 254/D/0172 Outlet location NZ3946621661 (OS grid reference) · View on Apple Maps WFD catchment Billingham Beck from Bishopton Bck to Brierle (GB103025072360) 2024 spills / hours 24 / 149 Long-term average 34.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 122 hours spilling →	Letch Beck	21	122	down 13%	100%
Brafferton Combined Sewer Overflow Overflow on sewer network EA ID / permit NWL00183 · EPRZB3793VM Outlet location NZ2919620613 (OS grid reference) · View on Apple Maps WFD catchment Dene Beck Catchment (trib of Skerne) (GB103025072290) 2024 spills / hours 26 / 260 Long-term average 18.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 122 hours spilling →	The River Skerne	15	122	down 42%	96%
Dalton Retail Park CSO Overflow on sewer network EA ID / permit NWL00414 · EPRBB3793WU Outlet location NZ4026446581 (OS grid reference) · View on Apple Maps WFD catchment Dalton Beck to North Sea (GB103025075970) 2024 spills / hours 28 / 304 Long-term average 22.5 spills a year (monitored since 2022) Monitor below 90% Sensor failure / issue · Resolved - Nov Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 122 hours spilling →	Dalton Burn	12	122	down 57%	89%
Silver Lonnen CSO (NC030) Overflow on sewer network EA ID / permit NWL01202 · 235/1938 Outlet location NZ1965463974 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 72 / 277 Long-term average 67.3 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 121 hours spilling →	River Tyne Estuary	54	121	down 25%	100%
Clara Vale SPS Storm discharge at pumping station EA ID / permit NWL00293 · 235/1743 Outlet location NZ1305265097 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 57 / 256 Long-term average 34.0 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 121 hours spilling →	River Tyne	36	121	down 37%	99%
Longnewton CSO STO07 Overflow on sewer network EA ID / permit NWL00811 · NPSWQD009184 Outlet location NZ3896216643 (OS grid reference) · View on Apple Maps WFD catchment Lustrum Beck Catchment (trib of Tees) (GB103025072550) 2024 spills / hours 49 / 198 Long-term average 40.7 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 121 hours spilling →	Longnewton Beck	28	121	down 43%	99%
Haltwhistle STW Inlet overflow at sewage works Sewage works Haltwhistle EA ID / permit NWL00639 · 232/1098 Outlet location NY7159063720 (OS grid reference) · View on Apple Maps WFD catchment Haltwhistle Burn from Source to South Tyne (GB103023075570) 2024 spills / hours 94 / 241 Long-term average 78.2 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 120 hours spilling →	South Tyne / Haltwhistle Burn	59	120	down 37%	100%
Mayfields CSO Overflow on sewer network EA ID / permit NWL00861 · 243/0972 Outlet location NZ2558834626 (OS grid reference) · View on Apple Maps WFD catchment Valley Burn from Source to Wear (GB103024077350) 2024 spills / hours 45 / 165 Long-term average 51.1 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 120 hours spilling →	Valley Burn	44	120	down 2%	94%
Ebchester SPS Storm discharge at pumping station EA ID / permit NWL00495 · 234/0989 Outlet location NZ1002955609 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Burnhope Burn to River Tyne (GB103023074790) 2024 spills / hours 48 / 228 Long-term average 50.3 spills a year (monitored since 2020) High-spill reason (company) Performance - SW Infiltration Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 120 hours spilling →	River Derwent	32	120	down 33%	100%
Cowpen Bewley SPS Storm discharge at pumping station EA ID / permit NWL00336 · 25/04/1785 Outlet location NZ4778725271 (OS grid reference) · View on Apple Maps WFD catchment Cowbridge Beck from Source to North Burn (GB103025072380) 2024 spills / hours 20 / 227 Long-term average 22.4 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 119 hours spilling →	Trib of Cowbridge Beck	16	119	down 20%	97%
Fishburn STW Storm tank at sewage works Sewage works Fishburn EA ID / permit NWL00560 · 25/03/1234 Outlet location NZ3557131722 (OS grid reference) · View on Apple Maps WFD catchment Skerne from Source to Carrs (GB103025076070) 2024 spills / hours 22 / 220 Long-term average 20.2 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 119 hours spilling →	Trib of River Skerne	13	119	down 41%	100%
Magdalen Fields South Combined Seww Overflow on sewer network Company site name MAGDALENE FIELDS SOUTH CSO EA ID / permit NWL00834 · 210/1362 Outlet location NU0009954653,NU0010954736&NU0011454649 (OS grid reference) · View on Apple Maps WFD catchment Northumberland North (GB650301440000) 2024 spills / hours 74 / 174 Long-term average 80.1 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Monitor below 90% Sensor failure / issue · Resolved - Mar Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 118 hours spilling →	North Sea	67	118	down 9%	74%
Alston Ejector Station SPS Storm discharge at pumping station EA ID / permit NWL00045 · 232/1135 Outlet location NY7161946248 (OS grid reference) · View on Apple Maps WFD catchment South Tyne from Black Burn to Tipalt Burn (GB103023075531) 2024 spills / hours 27 / 115 Long-term average 16.2 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 118 hours spilling →	River South Tyne	21	118	down 22%	94%
Lowick Sewage Treatment Works Inlet overflow at sewage works Sewage works Lowick EA ID / permit NWL00821 · 210/A/0854 Outlet location NU0256239690 (OS grid reference) · View on Apple Maps WFD catchment South Low from Source to Haggerston Bridge (GB103021073221) 2024 spills / hours 46 / 4.8 Long-term average 39.5 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Monitor below 90% Comms failure / issue · Resolved - Sep Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 118 hours spilling →	Tributary of the Low	65	118	up 41%	77%
Barnard Castle STW Storm tank at sewage works Sewage works Barnard Castle EA ID / permit NWL00089 · 25/02/1111 Outlet location NZ0582015460 (OS grid reference) · View on Apple Maps WFD catchment Tees from Percy Beck to River Greta (GB103025072512) 2024 spills / hours 50 / 390 Long-term average 34.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 118 hours spilling →	River Tees	23	118	down 54%	100%
Downe Street SPS CSO Storm discharge at pumping station EA ID / permit NWL00454 · 256/1077 Outlet location NZ7127318283 (OS grid reference) · View on Apple Maps WFD catchment Middle Gill Beck from Source to Kilton Beck (GB103025071940) 2024 spills / hours 29 / 252 Long-term average 23.5 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 117 hours spilling →	Whitecliff Beck	16	117	down 45%	94%
Vinovium STW Storm tank at sewage works Sewage works Vinovium EA ID / permit NWL01438 · 243/0966 Outlet location NZ2044031770 (OS grid reference) · View on Apple Maps WFD catchment Wear from Gaunless to Browney (GB103024077464) 2024 spills / hours 50 / 468 Long-term average 42.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 117 hours spilling →	Wear	13	117	down 74%	100%
Paradise Farm (Willow Farm) SPS Storm discharge at pumping station EA ID / permit NWL01005 · 243/0988 Outlet location NZ3141636204 (OS grid reference) · View on Apple Maps WFD catchment Croxdale Beck from Source to Wear (GB103024077410) 2024 spills / hours 35 / 150 Long-term average 21.0 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 117 hours spilling →	Coxhoe Beck Trib	33	117	down 6%	100%
Washington STW Storm tank at sewage works Sewage works Washington EA ID / permit NWL01462 · 245/1244 Outlet location NZ3310055530 (OS grid reference) · View on Apple Maps WFD catchment WEAR (GB510302402900) 2024 spills / hours 33 / 380 Long-term average 28.7 spills a year (monitored since 2022) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 116 hours spilling →	Wear	13	116	down 61%	100%
High Carr Road CSO Overflow on sewer network EA ID / permit NWL00678 · 245/1300 Outlet location NZ2649144069 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 80 / 273 Long-term average 82.7 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 115 hours spilling →	Wear, Tributary of	50	115	down 38%	97%
Station Road CSO Overflow on sewer network EA ID / permit NWL01290 · 245/1284 Outlet location NZ3108353868 (OS grid reference) · View on Apple Maps WFD catchment Tyne from Watersmeet to Tidal Limit (GB103023075801) 2024 spills / hours 61 / 171 Long-term average 61.7 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Monitor below 90% Comms failure / issue · Resolved - Aug Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 114 hours spilling →	River Wear	69	114	up 13%	88%
Rushyford Sewage Pumping Station, A Storm discharge at pumping station EA ID / permit NWL01131 · 253/0600 Outlet location NZ2838028690 (OS grid reference) · View on Apple Maps WFD catchment Rushyford Beck from Source to Woodham Burn (GB103025072450) 2024 spills / hours 34 / 346 Long-term average 27.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 113 hours spilling →	Rushyford Beck	11	113	down 68%	99%
Temple House Sewage Pumping Station Storm discharge at pumping station EA ID / permit NWL01351 · 232/1141 Outlet location NY8456264530 (OS grid reference) · View on Apple Maps WFD catchment South Tyne from Allen to North Tyne (GB103023075710) 2024 spills / hours 50 / 335 Long-term average 35.1 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 113 hours spilling →	Langley Burn	27	113	down 46%	99%
Falstone and Stannersburn PS Inlet overflow at sewage works Sewage works Falstone And Stannersburn Ps EA ID / permit NWL00538 · 231/A/0491 Outlet location NY7238087040 (OS grid reference) · View on Apple Maps WFD catchment N Tyne from Lewis Burn to Tarset Burn (GB103023075070) 2024 spills / hours 21 / 127 Long-term average 34.5 spills a year (monitored since 2023) High-spill reason (company) Not Applicable - Ongoing investigation Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 113 hours spilling →	North Tyne	48	113	up 129%	99%
Bishop Street North CSO Overflow on sewer network EA ID / permit NWL00137 · 25/04/1701 Outlet location NZ4651519191&NZ4649319169 (OS grid reference) · View on Apple Maps WFD catchment Tees from Skerne to Tidal Limit (GB103025072595) 2024 spills / hours 51 / 168 Long-term average 38.0 spills a year (monitored since 2018) Monitor below 90% Capital / maintenance works affect EDM operation · Resolved - Dec Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 113 hours spilling →	River Tees	30	113	down 41%	89%

Sewage treatment works

Storm tanks and inlet overflows at each Northumbrian Water sewage works. The figures are 2025 spills.

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