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
Burwell Avenue CSO Overflow on sewer network EA ID / permit NWL00225 · 235/1877 Outlet location NZ1965063980 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 48 / 179 Long-term average 45.1 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 55 hours spilling →	River Tyne Saline Estuary	23	55	down 52%	100%
Factory Road CSO Overflow on sewer network EA ID / permit NWL00532 · 233/0911 Outlet location NZ1883063669 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 32 / 190 Long-term average 19.0 spills a year (monitored since 2019) Monitor below 90% Comms failure / issue · Resolved - Mar Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 55 hours spilling →	Tyne (Tidal)	8	55	down 75%	88%
Dipton STW Storm tank at sewage works Sewage works Dipton EA ID / permit NWL00449 · 234/A/0657 Outlet location NZ1579054340 (OS grid reference) · View on Apple Maps WFD catchment Pont Burn Catchment (trib of Derwent) (GB103023074780) 2024 spills / hours 46 / 385 Long-term average 40.7 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 54 hours spilling →	Dipton Burn	11	54	down 76%	98%
Mcclean Avenue CSO (Ref No L15) Overflow on sewer network EA ID / permit NWL00862 · 254/1915 Outlet location NZ5867024240 (OS grid reference) · View on Apple Maps WFD catchment Tees Estuary (S Bank) (GB103025072320) 2024 spills / hours 22 / 105 Long-term average 20.6 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 54 hours spilling →	Fleet Beck (Trib)	15	54	down 32%	98%
Riverside (Butts Crescent) CSO Overflow on sewer network EA ID / permit NWL01113 · 241/1091 Outlet location NY9957439042 (OS grid reference) · View on Apple Maps WFD catchment Wear from Middlehope Burn to Houselop Beck (GB103024077461) 2024 spills / hours 45 / 88 Long-term average 39.1 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 54 hours spilling →	River Wear	25	54	down 44%	97%
Chilton Lane PS Emergency Overflow Storm discharge at pumping station Company site name CHILTON LANE SPS EA ID / permit NWL00279 · 253/1287 Outlet location NZ3089830909 (OS grid reference) · View on Apple Maps WFD catchment Carrs from Source to Skerne (GB103025072520) 2024 spills / hours 52 / 480 Long-term average 44.9 spills a year (monitored since 2019) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 54 hours spilling →	Mainsforth Stell (Skerne)	7	54	down 87%	100%
Burton Beck CSO Overflow on sewer network EA ID / permit NWL00224 · 243/0974 Outlet location NZ2462433890 (OS grid reference) · View on Apple Maps WFD catchment Valley Burn from Source to Wear (GB103024077350) 2024 spills / hours 29 / 54 Long-term average 27.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 54 hours spilling →	Burton Beck	30	54	up 3%	93%
Skinningrove Sewage Pumping Station Storm discharge at pumping station EA ID / permit NWL01579 · 25/06/1033 Outlet location NZ7132020110 (OS grid reference) · View on Apple Maps WFD catchment Kilton Beck from Middle Gill Beck to North Sea (GB103025071950) 2024 spills / hours 7 / 44 Long-term average 3.8 spills a year (monitored since 2020) Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 53 hours spilling →	North Sea	9	53	up 29%	100%
Bowburn Bridge SPS Storm discharge at pumping station EA ID / permit NWL00177 · 243/0980 Outlet location NZ3059837810 (OS grid reference) · View on Apple Maps WFD catchment Croxdale Beck from Source to Wear (GB103024077410) 2024 spills / hours 25 / 121 Long-term average 27.0 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 53 hours spilling →	Bowburn Beck	16	53	down 36%	100%
Bondisle Way CSO Overflow on sewer network EA ID / permit NWL00171 · 241/1090 Outlet location NZ0003338462 (OS grid reference) · View on Apple Maps WFD catchment Wear from Middlehope Burn to Houselop Beck (GB103024077461) 2024 spills / hours 30 / 59 Long-term average 26.8 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 53 hours spilling →	River Wear	24	53	down 20%	100%
Etherley Lane (No.100) CSO Overflow on sewer network EA ID / permit NWL00528 · EPRBB3997RC Outlet location NZ2028529160 (OS grid reference) · View on Apple Maps WFD catchment Wear from Beechburn Beck to Gaunless (GB103024077463) 2024 spills / hours 7 / 14 Long-term average 4.6 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 53 hours spilling →	Culverted Trib River Wear	8	53	up 14%	98%
Sun Street CSO Overflow on sewer network EA ID / permit NWL01323 · 254/1278 Outlet location NZ4474017762 (OS grid reference) · View on Apple Maps WFD catchment Tees from Skerne to Tidal Limit (GB103025072595) 2024 spills / hours 26 / 59 Long-term average 24.1 spills a year (monitored since 2018) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 53 hours spilling →	River Tees (Saline Estuary)	17	53	down 35%	100%
Thorpe Thewles SPS Storm discharge at pumping station EA ID / permit NWL01380 · 254/0974 Outlet location NZ4006423218 (OS grid reference) · View on Apple Maps WFD catchment Billingham Beck from Bishopton Bck to Brierle (GB103025072360) 2024 spills / hours 29 / 112 Long-term average 31.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 53 hours spilling →	Thorpe Beck (Billingham Beck)	16	53	down 45%	100%
Cleasewell Hill SPS Storm discharge at pumping station EA ID / permit NWL00295 · NPSWQD007427 Outlet location NZ2564785808 (OS grid reference) · View on Apple Maps WFD catchment Wansbeck from Bothal Burn to North Sea (GB103022077062) 2024 spills / hours 43 / 166 Long-term average 37.1 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 53 hours spilling →	River Wansbeck	26	53	down 40%	100%
Redburn Sewage Pumping Station Storm discharge at pumping station EA ID / permit NWL01099 · 232/1170 Outlet location NY7704864478 (OS grid reference) · View on Apple Maps WFD catchment South Tyne from Tipalt Burn to Allen (GB103023075532) 2024 spills / hours 72 / 128 Long-term average 31.2 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 51 hours spilling →	Red Burn	45	51	down 38%	100%
Stanhope Close CSO Su 26 Overflow on sewer network EA ID / permit NWL01279 · 245/1356 Outlet location NZ3327549258 (OS grid reference) · View on Apple Maps WFD catchment Lumley Park Burn from Source to Herrington Burn (GB103024077580) 2024 spills / hours 25 / 75 Long-term average 33.1 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 51 hours spilling →	Rainton Burn	24	51	down 4%	100%
Shincliffe No 2 PS Storm discharge at pumping station EA ID / permit NWL01195 · 245/A/0463 Outlet location NZ2930041340 (OS grid reference) · View on Apple Maps WFD catchment Old Durham Beck from Chapman Beck to Wear (GB103024077470) 2024 spills / hours 12 / 55 Long-term average 12.2 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 50 hours spilling →	Old Durham Beck	12	50	no change	100%
Toft Hill Ejector Storm discharge at pumping station EA ID / permit NWL01389 · 242/1050 Outlet location NZ1543628003 (OS grid reference) · View on Apple Maps WFD catchment Gaunless from Source to Hummer Beck (GB103024072690) 2024 spills / hours 32 / 70 Long-term average 27.0 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 50 hours spilling →	Tributary of Norton Fine Beck	27	50	down 16%	98%
High Hauxley PS Storm discharge at pumping station EA ID / permit NWL00680 · 224/0947 Outlet location NU2760803066 (OS grid reference) · View on Apple Maps WFD catchment Bondicarr Burn to North Sea (GB650301500001) 2024 spills / hours 29 / 171 Long-term average 20.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 50 hours spilling →	Bondicarr Burn Trib	18	50	down 38%	100%
Opposite 16 Front Street CSO Overflow on sewer network EA ID / permit NWL00984 · EPRBB3899DP Outlet location NZ2150145218 (OS grid reference) · View on Apple Maps WFD catchment Browney from Smallhope Burn Deerness confl (GB103024077551) 2024 spills / hours 17 / 33 Long-term average 26.3 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 50 hours spilling →	River Browney	40	50	up 135%	92%
Seventh Avenue CSO Overflow on sewer network EA ID / permit NWL01178 · 235/F/0652 Outlet location NZ2462059510 (OS grid reference) · View on Apple Maps WFD catchment Team from Source to Tyne (GB103023075670) 2024 spills / hours 51 / 160 Long-term average 32.3 spills a year (monitored since 2015) 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 50 hours spilling →	Team	36	50	down 29%	100%
Kelloe STW Storm tank at sewage works Sewage works Kelloe EA ID / permit NWL00748 · 243/0965 Outlet location NZ3383435895 (OS grid reference) · View on Apple Maps WFD catchment Croxdale Beck from Source to Wear (GB103024077410) 2024 spills / hours 25 / 110 Long-term average 32.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 50 hours spilling →	Coxhoe Beck	9	50	down 64%	100%
CSO at Blakewell Road Overflow on sewer network EA ID / permit NWL00366 · 210/0938 Outlet location NT9947152814 (OS grid reference) · View on Apple Maps WFD catchment TWEED (GB510202110000) Bathing water Spittal 2024 spills / hours 40 / 72 Long-term average 34.0 spills a year (monitored since 2013) Monitor below 90% Comms failure / issue · Resolved - May Investigation Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 49 hours spilling →	Tweed Estuary	30	49	down 25%	84%
Laurel Avenue CSO Overflow on sewer network EA ID / permit NWL00781 · 245/1261 Outlet location NZ2893642515 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 32 / 60 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 49 hours spilling →	Pelaw Wood Beck (River Wear)	28	49	down 13%	100%
4 Aycliffe Avenue CSO Overflow on sewer network EA ID / permit NWL00008 · 235/1955 Outlet location NZ2871559354 (OS grid reference) · View on Apple Maps WFD catchment Don from Source to Tidal Limit (GB103023075690) 2024 spills / hours 23 / 72 Long-term average 24.2 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 49 hours spilling →	Don	19	49	down 17%	94%
Ryhope CSO Overflow on sewer network EA ID / permit NWL01134 · 255/1200 Outlet location NZ4163553122 (OS grid reference) · View on Apple Maps WFD catchment Tyne and Wear (GB650301500002) 2024 spills / hours 42 / 115 Long-term average 39.0 spills a year (monitored since 2021) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 49 hours spilling →	North Sea	30	49	down 29%	100%
Wall Sewage Treatment Works Inlet overflow at sewage works Sewage works Wall EA ID / permit NWL01445 · 231/A/0453 Outlet location NY9139068533 (OS grid reference) · View on Apple Maps WFD catchment N Tyne from Barrasford to S Tyne confluence (GB103023075802) 2024 spills / hours 72 / 114 Long-term average 70.8 spills a year (monitored since 2020) High-spill reason (company) Performance - SW Infiltration Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 49 hours spilling →	North Tyne	53	49	down 26%	100%
Scout House Farm 1 CSO Overflow on sewer network EA ID / permit NWL01154 · 244/0998 Outlet location NZ2272242045 (OS grid reference) · View on Apple Maps WFD catchment Deerness from Hedleyhope Burn to Browney (GB103024077280) 2024 spills / hours 29 / 217 Long-term average 21.3 spills a year (monitored since 2013) Monitor below 90% Power failure / issue · Resolved - Mar Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 48 hours spilling →	River Deerness	8	48	down 72%	90%
Fishburn Bridge CSO Overflow on sewer network EA ID / permit NWL00558 · NPSWQD008199 Outlet location NZ3615431350 (OS grid reference) · View on Apple Maps WFD catchment Skerne from Source to Carrs (GB103025076070) 2024 spills / hours 35 / 68 Long-term average 32.7 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 48 hours spilling →	River Skerne	27	48	down 23%	92%
Harbottle Sewage Treatment Works Inlet overflow at sewage works Sewage works Harbottle EA ID / permit NWL00645 · 223/0990 Outlet location NT9384004630 (OS grid reference) · View on Apple Maps WFD catchment Coquet from Usway Burn to Holystone Burn (GB103022076691) 2024 spills / hours 34 / 80 Long-term average 62.8 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 48 hours spilling →	River Coquet	39	48	up 15%	99%
West Street SPS Storm discharge at pumping station EA ID / permit NWL01495 · 254/E/0336 Outlet location NZ4162512812 (OS grid reference) · View on Apple Maps WFD catchment Tees from Skerne to Tidal Limit (GB103025072595) 2024 spills / hours 14 / 49 Long-term average 9.5 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 48 hours spilling →	River Tees	9	48	down 36%	100%
Russel Place CSO Overflow on sewer network EA ID / permit NWL01132 · 243/1007 Outlet location NZ2069634696 (OS grid reference) · View on Apple Maps WFD catchment Wear from Gaunless to Browney (GB103024077464) 2024 spills / hours 18 / 52 Long-term average 21.1 spills a year (monitored since 2014) Investigation Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 48 hours spilling →	Wear Tributary	21	48	up 17%	96%
Nelson Village CSO Overflow on sewer network EA ID / permit NWL00923 · 226/1235 Outlet location NZ2594278700 (OS grid reference) · View on Apple Maps WFD catchment Blyth from Pont to Tidal Limit (GB103022077052) 2024 spills / hours 28 / 178 Long-term average 16.1 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 48 hours spilling →	The Horton Burn (R Blyth)	11	48	down 61%	100%
Pallion CSO 4 Overflow on sewer network EA ID / permit NWL01002 · Permit applied for Outlet location NZ3899757745 (OS grid reference) · View on Apple Maps WFD catchment WEAR (GB510302402900) 2024 spills / hours 56 / 95 Long-term average 42.5 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 48 hours spilling →	River Wear	38	48	down 32%	100%
Howling Lane CSO A046 Overflow on sewer network EA ID / permit NWL00716 · 222/0861 Outlet location NU1825013518 (OS grid reference) · View on Apple Maps WFD catchment Aln from Edlingham Burn to Tidal Limit (GB103022076350) 2024 spills / hours 49 / 115 Long-term average 45.3 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 48 hours spilling →	Wash Burn	44	48	down 10%	99%
Stanhope Swimming Pool CSO Overflow on sewer network EA ID / permit NWL01281 · EPRBP3729GJ Outlet location NY9927439202 (OS grid reference) · View on Apple Maps WFD catchment Wear from Middlehope Burn to Houselop Beck (GB103024077461) 2024 spills / hours 46 / 81 Long-term average 37.8 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 48 hours spilling →	River Wear	29	48	down 37%	100%
Elvet Syphon CSO Overflow on sewer network EA ID / permit NWL00513 · NPSWQD004521 Outlet location NZ2757842431 (OS grid reference) · View on Apple Maps WFD catchment Wear from Croxdale Beck to Lumley Park Burn (GB103024077621) 2024 spills / hours 31 / 112 Long-term average 26.2 spills a year (monitored since 2013) Monitor below 90% Sensor failure / issue · Not Applicable - Ongoing investigation Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement Operational improvement ongoing Volume & pollution Estimate from 47 hours spilling →	River Wear	24	47	down 23%	87%
Cormorant Drive CSO Overflow on sewer network EA ID / permit NWL00324 · 235/1887 Outlet location NZ2328162557 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 40 / 215 Long-term average 38.0 spills a year (monitored since 2013) Investigation Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 47 hours spilling →	River Team Saline Estuary	10	47	down 75%	97%
CSO Dunn Street Overflow on sewer network EA ID / permit NWL00385 · 235/1631 Outlet location NZ2382462901 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 49 / 148 Long-term average 35.9 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 47 hours spilling →	Tyne Estuary	26	47	down 47%	100%
Toll House Road CSO Overflow on sewer network EA ID / permit NWL01391 · 244/1001 Outlet location NZ2557142518 (OS grid reference) · View on Apple Maps WFD catchment Browney from Smallhope Burn Deerness confl (GB103024077551) 2024 spills / hours 29 / 34 Long-term average 47.5 spills a year (monitored since 2014) 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 47 hours spilling →	River Browney	37	47	up 28%	98%
Romaldkirk Sewage Disposal Works Storm tank at sewage works Sewage works Romaldkirk EA ID / permit NWL01119 · 25/01/0912 Outlet location NZ0020022600 (OS grid reference) · View on Apple Maps WFD catchment Tees from Maize Beck to Percy Beck (GB103025072511) 2024 spills / hours 9 / 55 Long-term average 35.8 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 47 hours spilling →	River Tees	13	47	up 44%	100%
Hamilton Row Waterhouses CSO Overflow on sewer network EA ID / permit NWL00523 · 244/E/0308 Outlet location NZ1791140580 (OS grid reference) · View on Apple Maps WFD catchment Deerness from Source to Hedleyhope Burn (GB103024077270) 2024 spills / hours 22 / 86 Long-term average 27.6 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 47 hours spilling →	River Deerness	20	47	down 9%	100%
Stranghow Road NO2 CSO Overflow on sewer network EA ID / permit NWL01320 · 25/06/1025 Outlet location NZ6716117742 (OS grid reference) · View on Apple Maps WFD catchment Saltburn Gill Catch trib of North Sea (GB103025071960) 2024 spills / hours 53 / 230 Long-term average 48.7 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 47 hours spilling →	Holme Beck (Skelton Catchment	10	47	down 81%	100%
Wallsend Burn SPS Storm discharge at pumping station EA ID / permit NWL01448 · 235/1521 Outlet location NZ3205866105 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours – / – Long-term average 33.3 spills a year (monitored since 2022) Monitor below 90% Comms failure / issue · Not Applicable - Ongoing investigation Investigation Env Act (SODRP) investigation ongoing, Operational investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 46 hours spilling →	River Tyne	23	46		61%
Rgil Lockhaugh Rd & Shrburn Prk CSO Overflow on sewer network EA ID / permit NWL01106 · 234/1130 Outlet location NZ1691359126 (OS grid reference) · View on Apple Maps WFD catchment Derwent from Burnhope Burn to River Tyne (GB103023074790) 2024 spills / hours 30 / 64 Long-term average 14.2 spills a year (monitored since 2013) Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 46 hours spilling →	Trib River Derwent	25	46	down 17%	100%
Shilbottle CSO No. 2 A015 Overflow on sewer network EA ID / permit NWL01191 · 223/G/0087 Outlet location NU2122108615 (OS grid reference) · View on Apple Maps WFD catchment Tyelaw Burn Catchment (trib of Coquet) (GB103022076720) 2024 spills / hours 34 / 139 Long-term average 33.2 spills a year (monitored since 2013) Monitor below 90% Comms failure / issue · Resolved - May Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement ongoing Volume & pollution Estimate from 46 hours spilling →	Tyelaw Burn	27	46	down 21%	79%
Crimdon Park Pumping Station Storm discharge at pumping station EA ID / permit NWL00348 · 255/1115 Outlet location NZ4844736743 (OS grid reference) · View on Apple Maps WFD catchment Crimdon Beck from Source to Sea (GB103025075910) Bathing water Crimdon 2024 spills / hours 9 / 33 Long-term average 8.4 spills a year (monitored since 2013) Monitor below 90% Comms failure / issue · Resolved - Feb Investigation No investigation activity in reporting period Improvement No improvement action in reporting period Volume & pollution Estimate from 46 hours spilling →	Crimdon Beck	6	46	down 33%	81%
Tyne View CSO Overflow on sewer network EA ID / permit NWL01416 · 233/0991 Outlet location NZ1849264426 (OS grid reference) · View on Apple Maps WFD catchment TYNE (GB510302310200) 2024 spills / hours 52 / 136 Long-term average 47.6 spills a year (monitored since 2018) Monitor below 90% Comms failure / issue · Resolved - Feb Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 46 hours spilling →	Lemington Gut	30	46	down 42%	87%
Cornforth Pumping Station Storm discharge at pumping station EA ID / permit NWL00326 · 243/0602 Outlet location NZ3151634799 (OS grid reference) · View on Apple Maps WFD catchment Croxdale Beck from Source to Wear (GB103024077410) 2024 spills / hours 21 / 98 Long-term average 14.2 spills a year (monitored since 2013) Investigation Env Act (SODRP) investigation ongoing, Operational investigation completed Improvement Operational improvement completed Volume & pollution Estimate from 46 hours spilling →	Coxhoe Beck	9	46	down 57%	95%
Railway Sreet CSO Overflow on sewer network EA ID / permit NWL01079 · 244/0938 Outlet location NZ1664347223 (OS grid reference) · View on Apple Maps WFD catchment Smallhope Burn from Source to Browney, Stocke (GB103024077330) 2024 spills / hours 32 / 72 Long-term average 36.4 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 46 hours spilling →	Smallhope Burn	36	46	up 13%	100%

Sewage treatment works

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

← All water companies · Contains Environment Agency data licensed under the Open Government Licence v3.0. How to read the data.