Storm overflow register · 2025 annual return

Anglian Water storm overflows, 2025

Anglian Water reported 1,442 storm overflows in England for 2025. Together they recorded 17,322 spills over 105,806 hours, an average of 12.0 spills per overflow against 20.4 across England. That ranks 1 of 10 companies, where 1 is the fewest spills per overflow. Counting the same overflows in both years, spills were down 61% on 2024.

244 overflows did not spill · 38 spilled more than 60 times · 1,323 had monitors working for 90% of the year or more · 419 sewage treatment works with overflows

Hours spilling by month, 2025

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

All Anglian 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
Greens Norton WRC Storm tank at sewage works Sewage works Greens Norton Company site name GREENS NORTON STW EA ID / permit AWS00521 · AW1NF1004 Outlet location SP6694048810 (OS grid reference) · View on Apple Maps WFD catchment Tove (DS Greens Norton) (GB105033038180) 2024 spills / hours 65 / 1,153 Long-term average 45.0 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 84 hours spilling →	River Tove	8	84	down 88%	100%
Grendon STW Storm tank at sewage works Sewage works Grendon EA ID / permit AWS00524 · AW5NF124 Outlet location SP8842060590 (OS grid reference) · View on Apple Maps WFD catchment Grendon Brook (GB105032045040) 2024 spills / hours 50 / 470 Long-term average 32.3 spills a year (monitored since 2022) 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 84 hours spilling →	River Chater	33	84	down 34%	100%
Stickney STW Storm tank at sewage works Sewage works Stickney EA ID / permit AWS01299 · ANNNF10536 Outlet location TF3491056810 (OS grid reference) · View on Apple Maps WFD catchment Maud Foster and Fen Catchwater Drains (GB205030056465) 2024 spills / hours 27 / 166 Long-term average 24.8 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 83 hours spilling →	East Fen Catchwater Drain	10	83	down 63%	99%
Somersham Water Recycling Centre Storm tank at sewage works Sewage works Somersham Company site name SOMERSHAM STW (CAMBS) EA ID / permit AWS01156 · AW1NF875 Outlet location TL3627077170 (OS grid reference) · View on Apple Maps WFD catchment Counter Drain (Sutton and Mepal IDB incl. Cranbrook Drain) (GB205033000010) 2024 spills / hours 67 / 1,120 Long-term average 39.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 83 hours spilling →	Cranbrook Drain River Great Ou	7	83	down 90%	100%
Canvey Island WRC Inlet overflow at sewage works Sewage works Canvey Island Company site name CANVEY ISLAND STW EA ID / permit AWS00198 · CNTW.0794 Outlet location TQ7882081900 (OS grid reference) · View on Apple Maps WFD catchment THAMES LOWER (GB530603911401) 2024 spills / hours 71 / 512 Long-term average 121.2 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 82 hours spilling →	Thames Estuary	26	82	down 63%	97%
Weston Delgate TPS Storm discharge at pumping station Company site name WESTON-DELGATE AVE TPS EA ID / permit AWS01480 · ANNNF3996/V001 Outlet location TF2932024820 (OS grid reference) · View on Apple Maps WFD catchment South Holland Main Drain (GB205032050405) 2024 spills / hours 40 / 623 Long-term average 24.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 82 hours spilling →	Trib of S Holland Main Drain	8	82	down 80%	100%
Clipston STW Inlet overflow at sewage works Sewage works Clipston Company site name CLIPSTON TPS EA ID / permit AWS00248 · AWNNF1269 Outlet location SP7182081730 (OS grid reference) · View on Apple Maps WFD catchment Ise - Upper (GB105032045200) 2024 spills / hours 25 / 206 Long-term average 18.8 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 82 hours spilling →	River Ise Nt	13	82	down 48%	100%
Elm Road SPS Storm discharge at pumping station Company site name N BENFLEET-ELM RD-SP EA ID / permit AWS00399 · AW2NF585 Outlet location TQ7534090190 (OS grid reference) · View on Apple Maps WFD catchment THAMES LOWER (GB530603911401) 2024 spills / hours 15 / 157 Long-term average 11.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 81 hours spilling →	North Benfleet Brook	8	81	down 47%	100%
Mayland Water Recycling Centre Inlet overflow at sewage works Sewage works Mayland Company site name MAYLANDSEA STW EA ID / permit AWS00827 · ASETS10531 Outlet location TL9199002330 (OS grid reference) · View on Apple Maps WFD catchment BLACKWATER (GB520503714000) 2024 spills / hours 50 / 228 Long-term average 52.2 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement Env Act (SODRP) improvement ongoing Volume & pollution Estimate from 80 hours spilling →	Mayland Creek River Blackwater	33	80	down 34%	100%
Ferry Lane PS Storm discharge at pumping station Company site name SKELLINGTHORPE-FERRY LA TPS EA ID / permit AWS00434 · ANNNF2301 Outlet location SK9270072400 (OS grid reference) · View on Apple Maps WFD catchment Skellingthorpe Main Drain (GB105030062390) 2024 spills / hours 13 / 91 Long-term average 19.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 80 hours spilling →	Dyke Trib Skellingthorpe Main	25	80	up 92%	100%
Purleigh Water Recycling Centre Storm tank at sewage works Sewage works Purleigh Company site name PURLEIGH STW EA ID / permit AWS01017 · AW2NF814 Outlet location TL8408002700 (OS grid reference) · View on Apple Maps WFD catchment Blackwater (Combined Essex) (GB105037041160) 2024 spills / hours 35 / 420 Long-term average 32.3 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement UWWTR improvement ongoing Volume & pollution Estimate from 80 hours spilling →	Trib of Mundon Wash Nt River	10	80	down 71%	100%
Spaw Lane CSO Overflow on sewer network Company site name LOUTH SPAW LANE SSO EA ID / permit AWS01209 · ANNNF13587 Outlet location TF3273087580 (OS grid reference) · View on Apple Maps WFD catchment Louth Canal (GB104029061990) 2024 spills / hours 85 / 885 Long-term average 92.7 spills a year (monitored since 2020) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing Improvement Env Act (SODRP) improvement ongoing Volume & pollution Estimate from 80 hours spilling →	River Lud/Louth Canal	32	80	down 62%	100%
Ashbrook Water Recycling Centre Storm tank at sewage works Sewage works Ashbrook Company site name ASHBROOK STW EA ID / permit AWS00024 · AWCNF1410 Outlet location TL2023027590 (OS grid reference) · View on Apple Maps WFD catchment Purwell (GB105033037690) 2024 spills / hours 52 / 640 Long-term average 23.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 79 hours spilling →	Ash Brook, River Great Ouse Nt	7	79	down 87%	100%
Pavenham Mill Lane Pumping Station Storm discharge at pumping station Company site name PAVENHAM-MILL LANE SP EA ID / permit AWS00976 · AWCNF2464 Outlet location SP9892055280 (OS grid reference) · View on Apple Maps WFD catchment Ouse (Newport Pagnell to Roxton) (GB105033047923) 2024 spills / hours 37 / 368 Long-term average 27.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 79 hours spilling →	River Great Ouse	17	79	down 54%	100%
Mendlesham Storm discharge at pumping station Company site name MENDLESHAM-TPS EA ID / permit AWS00835 · ASENF2457 Outlet location TM1060065500 (OS grid reference) · View on Apple Maps WFD catchment Mendlesham Stream (GB105034045650) 2024 spills / hours 32 / 271 Long-term average 22.3 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 79 hours spilling →	R Dove	15	79	down 53%	100%
Braintree Water Recycling Centre Storm tank at sewage works Sewage works Braintree Company site name BRAINTREE STW EA ID / permit AWS00120 · ASENF12212 Outlet location TL7669021760 (OS grid reference) · View on Apple Maps WFD catchment Brain (GB105037041140) 2024 spills / hours 160 / 279 Long-term average 58.8 spills a year (monitored since 2022) High-spill reason (company) Not asset maintenance - Hydraulic capacity Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 77 hours spilling →	The River Brain	51	77	down 68%	96%
Riverhead Tank SO Overflow on sewer network Company site name LOUTH-RIVERHEAD TANK EA ID / permit AWS01053 · ANNNF13608 Outlet location TF3406088180 (OS grid reference) · View on Apple Maps WFD catchment Louth Canal (GB104029061990) 2024 spills / hours 19 / 190 Long-term average 12.3 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 76 hours spilling →	Louth Canal	9	76	down 53%	100%
Arthingworth Terminal Pumping Stat Storm discharge at pumping station Company site name ARTHINGWORTH TPS EA ID / permit AWS00023 · AWNNF13783 Outlet location TL3282049740 (OS grid reference) · View on Apple Maps WFD catchment Rhee (DS Wendy) (GB105033037610) 2024 spills / hours 77 / 1,034 Long-term average 51.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 76 hours spilling →	Trib River Rhee	10	76	down 87%	100%
Church St TPS Storm discharge at pumping station Company site name LONG BENNINGTON-CHURCH ST TPS EA ID / permit AWS01554 · ANNNF13147 Outlet location SK8417044190 (OS grid reference) · View on Apple Maps WFD catchment Witham - conf Cringle Bk to conf Brant (GB105030056780) 2024 spills / hours 9 / 37 Long-term average 8.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 76 hours spilling →	Ease Drain	8	76	down 11%	100%
St Peters St and Newsons Meadow CSO Overflow on sewer network Company site name LOWESTOFT - ST PETERS ST/NEWSONS MEADOW EA ID / permit AWS01264 · ASETS4083/16977 Outlet location TM5388092820 (OS grid reference) · View on Apple Maps WFD catchment Waveney (Ellingham Mill - Burgh St. Peter) (GB105034045903) 2024 spills / hours 80 / 119 Long-term average 71.3 spills a year (monitored since 2023) 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 75 hours spilling →	Inner Harbour	55	75	down 31%	100%
Sywell PS Storm discharge at pumping station Company site name SYWELL SP EA ID / permit AWS01345 · AW5NF1772 Outlet location SP8235066780 (OS grid reference) · View on Apple Maps WFD catchment Sywell Brook (GB105032045430) 2024 spills / hours 33 / 358 Long-term average 35.5 spills a year (monitored since 2020) Monitor below 90% Installation set-up/design issue · Resolved - Sep Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 75 hours spilling →	Trib Sywell Reservoir	21	75	down 36%	89%
Dyke Crescent CSO Overflow on sewer network Company site name CANVEY-DYKE CRESC OV EA ID / permit AWS00361 · ASENF12109 Outlet location TQ7762083710 (OS grid reference) · View on Apple Maps WFD catchment THAMES LOWER (GB530603911401) 2024 spills / hours 38 / 298 Long-term average 26.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 75 hours spilling →	Hill Hall Dyke	14	75	down 63%	100%
North Thoresby PS Storm discharge at pumping station Company site name NORTH THORESBY STW EA ID / permit AWS00900 · ANNNF10291 Outlet location TF2909098960 (OS grid reference) · View on Apple Maps WFD catchment New Dike Catchment (trib of Louth Canal) (GB104029062030) 2024 spills / hours 19 / 146 Long-term average 14.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 75 hours spilling →	Bond Croft Drain	10	75	down 47%	100%
Sandy Sewage Treatment Works Storm tank at sewage works Sewage works Sandy Company site name SANDY STW EA ID / permit AWS01094 · AW1NF759 Outlet location TL1601049960 (OS grid reference) · View on Apple Maps WFD catchment Ivel (DS Langford to Roxton) (GB105033038170) 2024 spills / hours 11 / 95 Long-term average 7.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 74 hours spilling →	River Ivel	7	74	down 36%	100%
Thorney STW Other storm discharge asset type (with treatment) EA ID / permit AWS01371 · AW5NF361 Outlet location TF2846004970 (OS grid reference) · View on Apple Maps WFD catchment North Level Pumped Areas 2 and 3 (GB205032050385) Treatment Reed bed 2024 spills / hours 39 / 214 Long-term average 26.6 spills a year (monitored since 2021) Monitor below 90% Installation set-up/design issue · Resolved - January after reporting year Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 74 hours spilling →	New Wryde Drain	16	74	down 59%	81%
Woodbridge Rd CSO Overflow on sewer network Company site name FRAMLINGHAM-WOODBRIDGE RD OV EA ID / permit AWS01536 · ASENF10249 Outlet location TM2844062460 (OS grid reference) · View on Apple Maps WFD catchment Ore (GB105035045970) 2024 spills / hours 35 / 128 Long-term average 30.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement Env Act (SODRP) improvement ongoing Volume & pollution Estimate from 74 hours spilling →	River Ore	25	74	down 29%	99%
Little Baddow PS Storm discharge at pumping station Company site name LT BADDOW-VILLAGE N HILL SP EA ID / permit AWS00743 · AW2NFE15371 Outlet location TL7760008400 (OS grid reference) · View on Apple Maps WFD catchment Chelmer (d/s confluence with Can) (GB105037033530) 2024 spills / hours 9 / 33 Long-term average 13.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 74 hours spilling →	Trib River Chelmer	17	74	up 89%	99%
Winteringham-Station Farm CSO Overflow on sewer network Company site name WINTERINGHAM-STATION FARM SSO EA ID / permit AWS01513 · ANNNF13332 Outlet location SE9314022550 (OS grid reference) · View on Apple Maps WFD catchment Winterton Beck from Source to the Humber (GB104029067660) 2024 spills / hours 43 / 339 Long-term average 58.7 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement Env Act (SODRP) improvement ongoing, UWWTR improvement ongoing Volume & pollution Estimate from 73 hours spilling →	Haven Drain	11	73	down 74%	96%
Clifton Water Recycling Centre Storm tank at sewage works Sewage works Clifton Company site name CLIFTON STW EA ID / permit AWS00245 · AW1NF944 Outlet location TL1775040230 (OS grid reference) · View on Apple Maps WFD catchment Henlow Brook (GB105033037770) 2024 spills / hours 0 / 0.0 Long-term average 6.3 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement UWWTR improvement ongoing Volume & pollution Estimate from 72 hours spilling →	Henlow Brook	12	72	up from 0	100%
Pulham St Mary STW Storm tank at sewage works Sewage works Pulham St Mary EA ID / permit AWS01015 · AEENF10504 Outlet location TM2101084980 (OS grid reference) · View on Apple Maps WFD catchment Starston Brook (GB105034045880) 2024 spills / hours 22 / 208 Long-term average 17.0 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 72 hours spilling →	Starston Beck	6	72	down 73%	100%
Hardwick East Pumping Station Storm discharge at pumping station Company site name HARDWICK-EAST SP EA ID / permit AWS00557 · AWCNF11491 Outlet location TL3845059490 (OS grid reference) · View on Apple Maps WFD catchment Bin Brook (GB105033042680) 2024 spills / hours 31 / 375 Long-term average 27.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 72 hours spilling →	Trib of Bin Brook	6	72	down 81%	100%
Walcott - the Drift Pumping Station Storm discharge at pumping station Company site name WALCOTT-THE DRIFT SP EA ID / permit AWS01430 · AWNNF13429 Outlet location TF1334056850 (OS grid reference) · View on Apple Maps WFD catchment Billinghay Skirth - Roman Canal (Timberland to Billinghay) (GB105030056180) 2024 spills / hours 34 / 243 Long-term average 29.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 72 hours spilling →	Trib of Car Dyke	12	72	down 65%	100%
Manthorpe Mill Pumping Station Storm discharge at pumping station Company site name MANTHORPE-MILL SP EA ID / permit AWS00809 · ANNNF13024 Outlet location SK9225038210 (OS grid reference) · View on Apple Maps WFD catchment Witham - conf Cringle Bk to conf Brant (GB105030056780) 2024 spills / hours 61 / 106 Long-term average 35.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 71 hours spilling →	Running Furrows Drain	23	71	down 62%	100%
Needingworth STW Storm tank at sewage works Sewage works Needingworth EA ID / permit AWS00868 · AWCNF1149 Outlet location TL3495071900 (OS grid reference) · View on Apple Maps WFD catchment Ouse (Roxton to Earith) (GB105033047921) 2024 spills / hours 72 / 1,292 Long-term average 27.0 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 71 hours spilling →	Tributary River Great Ouse Nt	10	71	down 86%	100%
Barton Le Clay Water Recycling Cntr Inlet overflow at sewage works Sewage works Barton Le Clay Water Recycling Cntr Company site name BARTON LE CLAY STW EA ID / permit AWS00059 · AWCNF11060 Outlet location TL0853032640 (OS grid reference) · View on Apple Maps WFD catchment Barton Brook (GB105033037500) 2024 spills / hours 31 / 408 Long-term average 16.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 71 hours spilling →	Barton Brook	12	71	down 61%	100%
Saxilby - High Street/West Bank CSO Overflow on sewer network Company site name SAXILBY-HIGH ST/MANOR RD SSO EA ID / permit AWS01101 · AW3NF838 Outlet location SK8940075180 (OS grid reference) · View on Apple Maps WFD catchment Skellingthorpe Main Drain (GB105030062390) 2024 spills / hours 22 / 75 Long-term average 23.3 spills a year (monitored since 2020) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 71 hours spilling →	Fossdyke Navigation Canal	29	71	up 32%	100%
Bisbrooke PS Storm discharge at pumping station Company site name BISBROOKE SP EA ID / permit AWS00092 · AW5NF1783 Outlet location SP8880099700 (OS grid reference) · View on Apple Maps WFD catchment Uppingham Brook (GB105031050530) 2024 spills / hours 13 / 35 Long-term average 8.3 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement Env Act (SODRP) improvement ongoing Volume & pollution Estimate from 70 hours spilling →	Uppingham Brook	12	70	down 8%	100%
Helpringham STW Storm tank at sewage works Sewage works Helpringham EA ID / permit AWS00587 · ANNNF2067 Outlet location TF1403041020 (OS grid reference) · View on Apple Maps WFD catchment South Beck (GB105030056520) 2024 spills / hours 17 / 194 Long-term average 27.3 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 70 hours spilling →	Helpringham Eau South Forty Fo	7	70	down 59%	100%
Strubby STW Storm tank at sewage works Sewage works Strubby EA ID / permit AWS01326 · ANNNF3177/13333 Outlet location TF4473079070 (OS grid reference) · View on Apple Maps WFD catchment Woldgrift Drain (GB105029061750) 2024 spills / hours 20 / 160 Long-term average 15.3 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 70 hours spilling →	unnamed tributary Wold Grift D	13	70	down 35%	100%
Southminster - Hall Rd CSO Overflow on sewer network Company site name Southminster - Hall Road Combined Sewer Overflow EA ID / permit AWS01200 · ASENF307/10414 Outlet location TQ9653099660 (OS grid reference) · View on Apple Maps WFD catchment CROUCH (GB520503704100) 2024 spills / hours 101 / 1,072 Long-term average 57.4 spills a year (monitored since 2021) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 70 hours spilling →	Raywick Ditch	14	70	down 86%	97%
Ruskington STW SPS Storm discharge at pumping station Company site name RUSKINGTON STW TPS EA ID / permit AWS01081 · ANNNF2571 Outlet location TF0910050400 (OS grid reference) · View on Apple Maps WFD catchment Ruskington Beck (GB105030056700) 2024 spills / hours 36 / 296 Long-term average 23.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 69 hours spilling →	Ruskington Beck	10	69	down 72%	98%
Bugbrooke WRC Storm tank at sewage works Sewage works Bugbrooke Company site name BUGBROOKE STW EA ID / permit AWS00172 · AW5NF5223 Outlet location SP6683058240 (OS grid reference) · View on Apple Maps WFD catchment Bugbrooke (GB105032045280) 2024 spills / hours 4 / 1.2 Long-term average 9.0 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 68 hours spilling →	Bugbrooke Brook	21	68	up 425%	100%
Casewick Lane PS Storm discharge at pumping station Company site name UFFINGTON-CASEWICK LANE SP EA ID / permit AWS00203 · ANNNF2814 Outlet location TF0670007900 (OS grid reference) · View on Apple Maps WFD catchment West Glen - conf West Glen trib to conf East Glen River (GB105031050770) 2024 spills / hours 22 / 211 Long-term average 15.0 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 68 hours spilling →	Trib R Welland	8	68	down 64%	100%
Paddocks Rd PS Storm discharge at pumping station Company site name RUSHDEN-PADDOCKS RD TPS EA ID / permit AWS00967 · AW5NF1771 Outlet location SP9470067570 (OS grid reference) · View on Apple Maps WFD catchment Nene - conf Ise to Islip (GB105032050383) 2024 spills / hours 4 / 9.0 Long-term average 11.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 67 hours spilling →	Wash Brook	19	67	up 375%	100%
Spalding STW Storm tank at sewage works Sewage works Spalding EA ID / permit AWS01206 · AW5TS741 Outlet location TF2625025040 (OS grid reference) · View on Apple Maps WFD catchment WELLAND (GB530503100400) 2024 spills / hours 35 / 324 Long-term average 27.0 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 67 hours spilling →	River Welland	14	67	down 60%	100%
Brigstock Water Recycling Centre Inlet overflow at sewage works Sewage works Brigstock Company site name BRIGSTOCK STW EA ID / permit AWS00148 · AW5NF734 Outlet location SP9496084710 (OS grid reference) · View on Apple Maps WFD catchment Harpers Brook (GB105032045230) 2024 spills / hours 45 / 402 Long-term average 24.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing Improvement Env Act (SODRP) improvement ongoing Volume & pollution Estimate from 67 hours spilling →	Harpers Brook,Trib River Nene	8	67	down 82%	100%
Heckington STW Inlet overflow at sewage works Sewage works Heckington Company site name HECKINGTON WRC EA ID / permit AWS00584 · ANNNF1099 Outlet location TF1498045550 (OS grid reference) · View on Apple Maps WFD catchment Black Sluice IDB draining to the South Forty Foot Drain (GB205030051515) 2024 spills / hours 15 / 118 Long-term average 12.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 66 hours spilling →	Heckington Eau	10	66	down 33%	100%
Paxton STW Storm tank at sewage works Sewage works Paxton EA ID / permit AWS00979 · AWCNF11407 Outlet location TL2222063150 (OS grid reference) · View on Apple Maps WFD catchment Ouse (Roxton to Earith) (GB105033047921) 2024 spills / hours 31 / 462 Long-term average 19.8 spills a year (monitored since 2022) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 65 hours spilling →	Paxton Brook	5	65	down 84%	100%
Dyke PS Storm discharge at pumping station Company site name DYKE-VILLAGE ST SP EA ID / permit AWS00362 · AW3NFF216 Outlet location TF1090022100 (OS grid reference) · View on Apple Maps WFD catchment Black Sluice IDB draining to the South Forty Foot Drain (GB205030051515) 2024 spills / hours 24 / 269 Long-term average 15.5 spills a year (monitored since 2024) Investigation Env Act (SODRP) investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 65 hours spilling →	Unknown trib. south of Dyke Dr	7	65	down 71%	100%
Stisted STW Storm tank at sewage works Sewage works Stisted EA ID / permit AWS01301 · AW2NFE09072 Outlet location TL8028024330 (OS grid reference) · View on Apple Maps WFD catchment Blackwater (Combined Essex) (GB105037041160) 2024 spills / hours 63 / 1,056 Long-term average 38.7 spills a year (monitored since 2023) Investigation Env Act (SODRP) investigation ongoing, Bathing Water and/or Shellfish Water investigation ongoing Improvement No improvement action in reporting period Volume & pollution Estimate from 65 hours spilling →	Stisted Brook River Blackwater	4	65	down 94%	100%

Sewage treatment works

Storm tanks and inlet overflows at each Anglian 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.