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
Foundry Lane No 3 CSO Overflow on sewer network EA ID / permit NWL00565 · 235/1947 Outlet location NZ2628764563 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 77 / 204 Long-term average 44.2 spills a year (monitored since 2014) 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 93 hours spilling →	Tyne Estuary	43	93	down 44%	98%
CSO at Rear of Orchid Crescent Overflow on sewer network EA ID / permit NWL00377 · 235/1204 Outlet location NZ2787463271 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 33 / 100 Long-term average 40.0 spills a year (monitored since 2019) Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 92 hours spilling →	Tyne Estuary	30	92	down 9%	100%
Vinovium SSO No A23 Overflow on sewer network EA ID / permit NWL01435 · 242/C/0381 Outlet location NZ2201028387 (OS grid reference) · View on Apple Maps WFD catchment Gaunless from Hummer Beck to Wear (GB103024072730) 2024 spills / hours 27 / 121 Long-term average 29.5 spills a year (monitored since 2024) 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 92 hours spilling →	Dene Beck	32	92	up 19%	100%
Londonderry Road/Green Lane CSO Overflow on sewer network EA ID / permit NWL00804 · EPRSP3129PC Outlet location NZ4377519746 (OS grid reference) · View on Apple Maps WFD catchment Lustrum Beck Catchment (trib of Tees) (GB103025072550) 2024 spills / hours 29 / 105 Long-term average 18.9 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 92 hours spilling →	Lustrum Beck	26	92	down 10%	99%
Stillington Old Works CSO ST004 Overflow on sewer network EA ID / permit NWL01304 · 254/1844 Outlet location NZ3742623105 (OS grid reference) · View on Apple Maps WFD catchment Billingham Beck from Bishopton Bck to Brierle (GB103025072360) 2024 spills / hours 42 / 135 Long-term average 41.7 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 91 hours spilling →	Bishopton Beck	49	91	up 17%	100%
The Old Vicarage CSO Overflow on sewer network EA ID / permit NWL01370 · 232/1140 Outlet location NY8439264454 (OS grid reference) · View on Apple Maps WFD catchment South Tyne from Allen to North Tyne (GB103023075710) 2024 spills / hours 54 / 211 Long-term average 48.7 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 91 hours spilling →	River South Tyne	37	91	down 31%	90%
Bellingham STW Inlet overflow at sewage works Sewage works Bellingham EA ID / permit NWL00115 · 231/1086 Outlet location NY8372282933 (OS grid reference) · View on Apple Maps WFD catchment N Tyne from Tarset Burn to River Rede (GB103023074960) 2024 spills / hours 44 / 125 Long-term average 36.3 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 ongoing Volume & pollution Estimate from 91 hours spilling →	River North Tyne	35	91	down 20%	99%
Whalton STW Storm tank at sewage works Sewage works Whalton EA ID / permit NWL01507 · 226/0927 Outlet location NZ1242480796 (OS grid reference) · View on Apple Maps WFD catchment How Burn from Source to Blyth (GB103022076940) 2024 spills / hours 73 / 1,131 Long-term average 48.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 91 hours spilling →	How Burn	14	91	down 81%	100%
Millburngate CSO Overflow on sewer network EA ID / permit NWL00890 · 245/1286 Outlet location NZ2724742573 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 29 / 214 Long-term average 31.8 spills a year (monitored since 2013) Monitor below 90% Comms failure / issue · Resolved - May Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 90 hours spilling →	River Wear	22	90	down 24%	89%
Dipton STW Inlet overflow at sewage works Sewage works Dipton EA ID / permit NWL00448 · 234/D/0005 Outlet location NZ1579054340 (OS grid reference) · View on Apple Maps WFD catchment Pont Burn Catchment (trib of Derwent) (GB103023074780) 2024 spills / hours 67 / 258 Long-term average 65.8 spills a year (monitored since 2020) High-spill reason (company) Performance - Asset configuration (e.g. PS/rising main/storm tanks) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 90 hours spilling →	Dipton Burn	52	90	down 22%	98%
Seamer SPS Storm discharge at pumping station EA ID / permit NWL01169 · 254/0981 Outlet location NZ4913109592 (OS grid reference) · View on Apple Maps WFD catchment Leven from Tame to River Tees (GB103025071880) 2024 spills / hours 32 / 91 Long-term average 21.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 90 hours spilling →	Seamer Stell (Carr)	24	90	down 25%	93%
Horden STW Inlet overflow at sewage works Sewage works Horden EA ID / permit NWL01578 · 255/1145 Outlet location NZ4577043310 (OS grid reference) · View on Apple Maps WFD catchment Tyne and Wear (GB650301500002) 2024 spills / hours 49 / 221 Long-term average 37.5 spills a year (monitored since 2024) Investigation Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 90 hours spilling →	North Sea	26	90	down 47%	98%
Browns Bridge CSO Overflow on sewer network EA ID / permit NWL00210 · 254/1833 Outlet location NZ4377519746 (OS grid reference) · View on Apple Maps WFD catchment Lustrum Beck Catchment (trib of Tees) (GB103025072550) 2024 spills / hours 15 / 77 Long-term average 10.5 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 89 hours spilling →	The Lustrum Beck	12	89	down 20%	100%
Newport Sewage Pumping Station Storm discharge at pumping station EA ID / permit NWL00952 · 254/0255 Outlet location NZ4713420731 (OS grid reference) · View on Apple Maps WFD catchment Billingham Beck (GB510302509900) 2024 spills / hours 104 / 212 Long-term average 65.3 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 Operational improvement completed Volume & pollution Estimate from 89 hours spilling →	Billingham Beck	47	89	down 55%	100%
Golden Lion SPS Storm discharge at pumping station EA ID / permit NWL00597 · 245/1169 Outlet location NZ3488956750 (OS grid reference) · View on Apple Maps WFD catchment WEAR (GB510302402900) 2024 spills / hours 42 / 205 Long-term average 31.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 88 hours spilling →	River Wear	20	88	down 52%	100%
Blaydon Bank CSO Overflow on sewer network EA ID / permit NWL00155 · 235/1438 Outlet location NZ1822563606 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 73 / 175 Long-term average 64.0 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 88 hours spilling →	Tyne Estuary	55	88	down 25%	96%
Stags Head CSO Overflow on sewer network EA ID / permit NWL00522 · 244/1015 Outlet location NZ1921141549 (OS grid reference) · View on Apple Maps WFD catchment Deerness from Source to Hedleyhope Burn (GB103024077270) 2024 spills / hours 22 / 104 Long-term average 25.0 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 88 hours spilling →	River Deerness	25	88	up 14%	97%
Sleekburn East CSO Storm discharge at pumping station EA ID / permit NWL01212 · 226/1272 Outlet location NZ2864083400 (OS grid reference) · View on Apple Maps WFD catchment BLYTH (N) (GB510302203200) 2024 spills / hours 0 / 0.0 Long-term average 16.2 spills a year (monitored since 2014) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 87 hours spilling →	Sleek Burn	28	87	up from 0	99%
Aycliffe Sewage Treatment Works Storm tank at sewage works Sewage works Aycliffe EA ID / permit NWL00072 · 253/1278 Outlet location NZ2822823495 (OS grid reference) · View on Apple Maps WFD catchment Skerne from Demons Beck to Tees (GB103025072596) 2024 spills / hours 27 / 204 Long-term average 20.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 87 hours spilling →	Demons Beck	9	87	down 67%	98%
Durham University STW Inlet overflow at sewage works Sewage works Durham University EA ID / permit NWL00472 · 245/1064 Outlet location NZ2736039830 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 45 / 150 Long-term average 45.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 87 hours spilling →	Saltwell Gill	25	87	down 44%	100%
Park Road CSO Overflow on sewer network EA ID / permit NWL01011 · NPSWQD009544 Outlet location NZ2836950977 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 31 / 162 Long-term average 31.4 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 86 hours spilling →	River Wear	21	86	down 32%	100%
The Middles CSO Overflow on sewer network EA ID / permit NWL01369 · 245/1148 Outlet location NZ2073351684 (OS grid reference) · View on Apple Maps WFD catchment Twizell Burn from Source to Cong Burn (GB103024077590) 2024 spills / hours 66 / 286 Long-term average 71.0 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 86 hours spilling →	Stanley Burn Trib	54	86	down 18%	98%
Broomhaugh Sewage Treatment Works Storm tank at sewage works Sewage works Broomhaugh EA ID / permit NWL00206 · 233/1200 Outlet location NZ0281662094 (OS grid reference) · View on Apple Maps WFD catchment Tyne from Watersmeet to Tidal Limit (GB103023075801) 2024 spills / hours 51 / 607 Long-term average 55.0 spills a year (monitored since 2020) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 86 hours spilling →	River Tyne	9	86	down 82%	100%
Rothbury Sewage Treatment Works Storm tank at sewage works Sewage works Rothbury EA ID / permit NWL01128 · 223/0820 Outlet location NU0706001240 (OS grid reference) · View on Apple Maps WFD catchment Coquet from Holystone Burn to Forest Burn (GB103022076692) 2024 spills / hours 21 / 191 Long-term average 15.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 86 hours spilling →	Coquet	13	86	down 38%	100%
Whittle Colliery Village STW Storm tank at sewage works Sewage works Whittle Colliery Village EA ID / permit NWL01520 · 223/0832 Outlet location NU1760006600 (OS grid reference) · View on Apple Maps WFD catchment Hazon Burn Catchment (trib of Coquet) (GB103022076710) 2024 spills / hours 15 / 227 Long-term average 13.8 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 86 hours spilling →	Ogle Letch	11	86	down 27%	99%
Westgate CSO Overflow on sewer network EA ID / permit NWL01505 · 241/E/0471 Outlet location NY9128038065 (OS grid reference) · View on Apple Maps WFD catchment Wear from Middlehope Burn to Houselop Beck (GB103024077461) 2024 spills / hours 44 / 196 Long-term average 29.8 spills a year (monitored since 2017) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 86 hours spilling →	River Wear	21	86	down 52%	90%
Boldron STW Inlet overflow at sewage works Sewage works Boldron EA ID / permit NWL00170 · 252/0073 Outlet location NZ0381114407 (OS grid reference) · View on Apple Maps WFD catchment Tees from Percy Beck to River Greta (GB103025072512) 2024 spills / hours 112 / 560 Long-term average 131.3 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 85 hours spilling →	Manifold Beck, Tributary of	19	85	down 83%	99%
Low Willington Park CSO Overflow on sewer network EA ID / permit NWL00820 · 243/0983 Outlet location NZ2043734545 (OS grid reference) · View on Apple Maps WFD catchment Wear from Gaunless to Browney (GB103024077464) 2024 spills / hours 37 / 95 Long-term average 37.7 spills a year (monitored since 2014) High-spill reason (company) Performance - SW Infiltration Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 84 hours spilling →	River Wear	37	84	no change	98%
Bishop Street North CSO Overflow on sewer network EA ID / permit NWL00136 · 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 47 / 93 Long-term average 35.2 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 83 hours spilling →	River Tees	39	83	down 17%	100%
Oxbridge Lane CSO Overflow on sewer network EA ID / permit NWL00999 · 254/1835 Outlet location NZ4305018748 (OS grid reference) · View on Apple Maps WFD catchment Lustrum Beck Catchment (trib of Tees) (GB103025072550) 2024 spills / hours 20 / 125 Long-term average 18.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 83 hours spilling →	The Lustrum Beck	14	83	down 30%	97%
Ovington CSO TD034 Overflow on sewer network EA ID / permit NWL00995 · 233/1248 Outlet location NZ0685463561 (OS grid reference) · View on Apple Maps WFD catchment Tyne from Watersmeet to Tidal Limit (GB103023075801) 2024 spills / hours 53 / 209 Long-term average 39.7 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 83 hours spilling →	Trib Cockermere Burn	35	83	down 34%	98%
Leven Road CSO Overflow on sewer network EA ID / permit NWL00790 · 254/1895 Outlet location NZ5141020030 (OS grid reference) · View on Apple Maps WFD catchment Ormesby Beck to River Tees (GB510302509900) 2024 spills / hours 20 / 90 Long-term average 22.8 spills a year (monitored since 2014) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 82 hours spilling →	Ormesby Beck	21	82	up 5%	93%
South Wylam Pumping Station Storm discharge at pumping station EA ID / permit NWL01245 · 233/1039 Outlet location NZ1205664572 (OS grid reference) · View on Apple Maps WFD catchment Stanley Burn Catchment (trib of Tyne) (GB103023075700) 2024 spills / hours 77 / 203 Long-term average 58.7 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 81 hours spilling →	Stanley Burn	50	81	down 35%	94%
Escomb SPS Storm discharge at pumping station EA ID / permit NWL00520 · 241/1023 Outlet location NZ1914130349 (OS grid reference) · View on Apple Maps WFD catchment Wear from Beechburn Beck to Gaunless (GB103024077463) 2024 spills / hours 17 / 99 Long-term average 33.5 spills a year (monitored since 2013) Monitor below 90% Comms failure / issue · Resolved - Dec Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 81 hours spilling →	River Wear	15	81	down 12%	83%
Bensham Sidings CSO Overflow on sewer network EA ID / permit NWL00120 · 235/1894 Outlet location NZ2433260965 (OS grid reference) · View on Apple Maps WFD catchment Team from Source to Tyne (GB103023075670) 2024 spills / hours 42 / 127 Long-term average 36.7 spills a year (monitored since 2016) 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 81 hours spilling →	Team	32	81	down 24%	93%
Felton Recreation Ground CSO Overflow on sewer network EA ID / permit NWL00542 · 223/1004 Outlet location NU1906300590 (OS grid reference) · View on Apple Maps WFD catchment Coquet from Forest Burn to Tidal Limit (GB103022076693) 2024 spills / hours 63 / 169 Long-term average 38.0 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 81 hours spilling →	River Coquet	43	81	down 32%	100%
Bishopton STW Storm tank at sewage works Sewage works Bishopton EA ID / permit NWL00141 · 25/04/1750 Outlet location NZ3611721459 (OS grid reference) · View on Apple Maps WFD catchment Bishopton Beck from Source to Billingham Beck (GB103025072280) 2024 spills / hours 30 / 85 Long-term average 29.0 spills a year (monitored since 2020) High-spill reason (company) Performance - Asset configuration (e.g. PS/rising main/storm tanks) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 80 hours spilling →	Bishopton Beck	31	80	up 3%	100%
Bardon Mill (Tow House) PS Storm discharge at pumping station EA ID / permit NWL01394 · 232/0991 Outlet location NY7678664339 (OS grid reference) · View on Apple Maps WFD catchment South Tyne from Tipalt Burn to Allen (GB103023075532) 2024 spills / hours 85 / 150 Long-term average 74.7 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 80 hours spilling →	Trib Ramshaw Burn (South Tyne)	54	80	down 36%	100%
Hetton Road CSO SU33 Overflow on sewer network EA ID / permit NWL00670 · 245/1361 Outlet location NZ3458748641 (OS grid reference) · View on Apple Maps WFD catchment Lumley Park Burn from Source to Herrington Burn (GB103024077580) 2024 spills / hours 51 / 182 Long-term average 45.9 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 80 hours spilling →	Rough Dene Burn	40	80	down 22%	97%
Priory Road CSO Overflow on sewer network EA ID / permit NWL01061 · 254/1862 Outlet location NZ4707817717 (OS grid reference) · View on Apple Maps WFD catchment TEES (GB510302509900) 2024 spills / hours 30 / 66 Long-term average 26.9 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 79 hours spilling →	Old River Tees	29	79	down 3%	99%
Stotsfield Burn CSO Overflow on sewer network EA ID / permit NWL01318 · 241/1050 Outlet location NY9416042159 (OS grid reference) · View on Apple Maps WFD catchment Rookhope Burn from Source to Wear (GB103024077530) 2024 spills / hours 35 / 254 Long-term average 22.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement completed Volume & pollution Estimate from 79 hours spilling →	Rookhope Burn	22	79	down 37%	100%
Queen Alexandra Bridge PS Storm discharge at pumping station EA ID / permit NWL01071 · 245/0928 Outlet location NZ3816757882 (OS grid reference) · View on Apple Maps WFD catchment River Wear (GB510302402900) 2024 spills / hours 45 / 134 Long-term average 38.5 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 79 hours spilling →	River Wear (Tidal)	32	79	down 29%	100%
Edna Street CSO Overflow on sewer network EA ID / permit NWL00499 · 243/0981 Outlet location NZ3059837809 (OS grid reference) · View on Apple Maps WFD catchment Croxdale Beck from Source to Wear (GB103024077410) 2024 spills / hours 30 / 121 Long-term average 34.3 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 79 hours spilling →	Bowburn Beck	28	79	down 7%	100%
Cemetery Road CSO Overflow on sewer network EA ID / permit NWL00264 · 235/C/0047 Outlet location NZ3306464319 (OS grid reference) · View on Apple Maps WFD catchment Don from Source to Tidal Limit (GB103023075690) 2024 spills / hours 31 / 206 Long-term average 22.9 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement No improvement action in reporting period Volume & pollution Estimate from 78 hours spilling →	Don	15	78	down 52%	100%
Low Fell (Tvte) CSO Overflow on sewer network EA ID / permit NWL00813 · 235/1961 Outlet location NZ2464459872 (OS grid reference) · View on Apple Maps WFD catchment Team from Source to Tyne (GB103023075670) 2024 spills / hours 48 / 134 Long-term average 27.8 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 78 hours spilling →	Culverted Section River Team	40	78	down 17%	92%
Acomb CSO Overflow on sewer network EA ID / permit NWL00023 · 233/G/0243 Outlet location NY9264465247 (OS grid reference) · View on Apple Maps WFD catchment Tyne from Watersmeet to Tidal Limit (GB103023075801) 2024 spills / hours 81 / 160 Long-term average 73.3 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 78 hours spilling →	River Tyne	67	78	down 17%	100%
Sandgate CSO Overflow on sewer network EA ID / permit NWL01067 · 210/0935 Outlet location NT9979852582 (OS grid reference) · View on Apple Maps WFD catchment TWEED (GB510202110000) Bathing water Spittal 2024 spills / hours 69 / 196 Long-term average 61.7 spills a year (monitored since 2013) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 78 hours spilling →	River Tweed Estuary	42	78	down 39%	97%
Stephenson Street SPS Storm discharge at pumping station EA ID / permit NWL01301 · 235/1689 Outlet location NZ3272166101 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 37 / 128 Long-term average 40.0 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 78 hours spilling →	River Tyne	30	78	down 19%	99%
High Waterhouse Farm (100M West of) Overflow on sewer network EA ID / permit NWL00689 · 244/1018 Outlet location NZ1850440808 (OS grid reference) · View on Apple Maps WFD catchment Deerness from Source to Hedleyhope Burn (GB103024077270) 2024 spills / hours 25 / 185 Long-term average 33.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 77 hours spilling →	Deerness	17	77	down 32%	100%
Gillas Lane West CSO (SU30) Overflow on sewer network EA ID / permit NWL00590 · 245/1359 Outlet location NZ3386048750&NZ3378248794 (OS grid reference) · View on Apple Maps WFD catchment Lumley Park Burn from Source to Herrington Burn (GB103024077580) 2024 spills / hours 53 / 159 Long-term average 35.9 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 77 hours spilling →	Rainton Burn	35	77	down 34%	100%

Sewage treatment works

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

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