Expressway 8 Runcorn
Overflow on sewer network
- Company site name
- Expressway 8, Runcorn (Weston Point, Point R) CSO
- EA ID / permit
- UUP00710 · 01HAL0061
- Outlet location
- SJ4977082450 (OS grid reference) · View on Apple Maps
- WFD catchment
- Manchester Ship Canal (GB71210004)
- 2024 spills / hours
- 78 / 183
- Long-term average
- 69.7 spills a year (monitored since 2019)
- 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 127 hours spilling →
|
Manchester Ship Canal |
50 |
127 |
down 36% |
100% |
Tintwistle STW
Storm tank at sewage works
- Sewage works
- Tintwistle
- Company site name
- TINTWISTLE WwTW
- EA ID / permit
- UUP01946 · 016940183
- Outlet location
- SK0176096770 (OS grid reference) · View on Apple Maps
- WFD catchment
- Etherow (Woodhead Res. to Glossop Bk.) (GB112069060780)
- 2024 spills / hours
- 119 / 1,071
- Long-term average
- 128.3 spills a year (monitored since 2021)
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 127 hours spilling →
|
River Etherow |
29 |
127 |
down 76% |
97% |
High Bridge Combined Sewer Overflow
Overflow on sewer network
- Company site name
- HIGH BRIDGE CSO
- EA ID / permit
- UUP00956 · 01WIG0081
- Outlet location
- SJ6715099750 (OS grid reference) · View on Apple Maps
- WFD catchment
- Bedford Brook (GB112069060810)
- 2024 spills / hours
- 63 / 178
- Long-term average
- 56.0 spills a year (monitored since 2024)
- 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 127 hours spilling →
|
Bedford Brook |
49 |
127 |
down 22% |
99% |
102 Middlewich Road CSO
Overflow on sewer network
- Company site name
- 102 Middlewich Road CSO
- EA ID / permit
- UUP00003 · 016892222
- Outlet location
- SJ6753073600 (OS grid reference) · View on Apple Maps
- WFD catchment
- Wade Brook (GB112068060370)
- 2024 spills / hours
- 77 / 179
- Long-term average
- 81.0 spills a year (monitored since 2021)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 127 hours spilling →
|
Trib of Wade Brook |
62 |
127 |
down 19% |
96% |
Wood Street CSO
Overflow on sewer network
- Company site name
- Wood Street CSO
- EA ID / permit
- UUP02161 · 016982644
- Outlet location
- SD8658006240 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irk (Sourtce to Wince Brook) (GB112069061161)
- 2024 spills / hours
- 60 / 120
- Long-term average
- 81.4 spills a year (monitored since 2018)
- 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 →
|
River Irk |
58 |
127 |
down 3% |
93% |
Thwaites Brewery CSO
Overflow on sewer network
- Company site name
- Thwaites Brewery Yard CSO
- EA ID / permit
- UUP01942 · NPSWQD010686
- Outlet location
- SD6843028330 (OS grid reference) · View on Apple Maps
- WFD catchment
- Blakewater (GB112071065310)
- 2024 spills / hours
- 43 / 106
- Long-term average
- 53.2 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 Blakewater |
50 |
126 |
up 16% |
99% |
Liverpool Rd CSO
Overflow on sewer network
- Company site name
- Liverpool Road CSO
- EA ID / permit
- UUP01157 · 016881976
- Outlet location
- SJ8315054910 (OS grid reference) · View on Apple Maps
- WFD catchment
- Kidsgrove Stream (including Day Green Stream) (GB112068055390)
- 2024 spills / hours
- 46 / 359
- Long-term average
- 80.8 spills a year (monitored since 2021)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 126 hours spilling →
|
Kidsgrove Stream |
12 |
126 |
down 74% |
91% |
Castle Carrock WwTW
Inlet overflow at sewage works
- Sewage works
- Castle Carrock
- Company site name
- CASTLE CARROCK WwTW
- EA ID / permit
- UUP00420 · 017670090
- Outlet location
- NY5409055900 (OS grid reference) · View on Apple Maps
- WFD catchment
- Gelt (GB102076074040)
- 2024 spills / hours
- 72 / 96
- Long-term average
- 98.5 spills a year (monitored since 2019)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 125 hours spilling →
|
Castle Carrock Beck |
70 |
125 |
down 3% |
100% |
Bank Parade CSO
Overflow on sewer network
- Company site name
- Bank Parade CSO
- EA ID / permit
- UUP00178 · 017180386
- Outlet location
- SD5421028660 (OS grid reference) · View on Apple Maps
- WFD catchment
- RIBBLE_Transitional (GB531207112400)
- 2024 spills / hours
- 54 / 166
- Long-term average
- 31.0 spills a year (monitored since 2019)
- 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 125 hours spilling →
|
River Ribble |
39 |
125 |
down 28% |
100% |
Harrington Avenue CSO
Overflow on sewer network
- EA ID / permit
- UUP00903 · 016892362
- Outlet location
- SJ2236088970 (OS grid reference) · View on Apple Maps
- WFD catchment
- The Birket including Arrowe Brook and Fender (GB112068060530)
- Bathing water
- Wallasey
- 2024 spills / hours
- 44 / 124
- Long-term average
- 39.7 spills a year (monitored since 2017)
- 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 125 hours spilling →
|
Unnamed trib of Carr Drain a trib of the River Birket |
32 |
125 |
down 27% |
97% |
Longshaw Street CSO (48066)
Overflow on sewer network
- Company site name
- Longshaw Street CSO
- EA ID / permit
- UUP01180 · 016993702
- Outlet location
- SJ5989089940 (OS grid reference) · View on Apple Maps
- WFD catchment
- Sankey Brook (Rainford Brook to Mersey) (GB112069061200)
- 2024 spills / hours
- 17 / 131
- Long-term average
- 15.4 spills a year (monitored since 2021)
- Monitor below 90%
- Sensor failure / issue · Resolved - Oct
- Investigation
- Env Act (SODRP) investigation ongoing
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 125 hours spilling →
|
Sankey Brook |
12 |
125 |
down 29% |
84% |
Briarlands Cl CSO Aka 4 Ack Lane
Overflow on sewer network
- Company site name
- Briarlands Close CSO (formerly known as Rear of 40 Ack Lane CSO)
- EA ID / permit
- UUP00309 · 016982769
- Outlet location
- SJ8907484781 (OS grid reference) · View on Apple Maps
- WFD catchment
- Micker Brook (GB112069060940)
- 2024 spills / hours
- 92 / 631
- Long-term average
- 72.9 spills a year (monitored since 2019)
- 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 125 hours spilling →
|
Carrwood Pk Brook Trib Lady B |
50 |
125 |
down 46% |
99% |
Agecroft Power Station CSO
Overflow on sewer network
- Company site name
- Agecroft Power Station
- EA ID / permit
- UUP00086 · EPRQB3594EP
- Outlet location
- SD8050002130 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irwell (Croal to Irk) (GB112069061451)
- 2024 spills / hours
- 113 / 285
- Long-term average
- 94.8 spills a year (monitored since 2020)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 125 hours spilling →
|
The River Irwell |
73 |
125 |
down 35% |
98% |
Buckley Wells CSO 091DG
Overflow on sewer network
- Company site name
- Buckley Wells CSO
- EA ID / permit
- UUP00357 · 01BRY0023
- Outlet location
- SD7947009840 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irwell (Rossendale STW to Roch) (GB112069064620)
- 2024 spills / hours
- 59 / 191
- Long-term average
- 66.5 spills a year (monitored since 2019)
- 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 123 hours spilling →
|
River Irwell |
51 |
123 |
down 14% |
100% |
Wharf Road CSO 42077
Overflow on sewer network
- Company site name
- Wharf Road CSO
- EA ID / permit
- UUP02105 · NPSWQD010823
- Outlet location
- SJ5658094770 (OS grid reference) · View on Apple Maps
- WFD catchment
- Sankey Brook (Rainford Brook to Mersey) (GB112069061200)
- 2024 spills / hours
- 45 / 156
- Long-term average
- 66.1 spills a year (monitored since 2019)
- 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 123 hours spilling →
|
Sankey Brook |
44 |
123 |
down 2% |
99% |
Booths Bank Farm CSO (379LU)
Overflow on sewer network
- Company site name
- Booths Bank Farm CSO
- EA ID / permit
- UUP00283 · 016982745
- Outlet location
- SD7320000500 (OS grid reference) · View on Apple Maps
- WFD catchment
- Shaw Brook (GB112069061090)
- 2024 spills / hours
- 25 / 176
- Long-term average
- 24.6 spills a year (monitored since 2021)
- Monitor below 90%
- Sensor failure / issue · Resolved - Aug
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 122 hours spilling →
|
Shaw Brook |
17 |
122 |
down 32% |
90% |
Castleton South Junction CSO
Overflow on sewer network
- Company site name
- Adj M62 Castleton
- EA ID / permit
- UUP00425 · EPRQB3593EJ
- Outlet location
- SD8814009780 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irk (Sourtce to Wince Brook) (GB112069061161)
- 2024 spills / hours
- 44 / 124
- Long-term average
- 50.7 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 122 hours spilling →
|
Culverted tributary of Trub Brook |
40 |
122 |
down 9% |
96% |
Calder Vale Pumping Station
Storm discharge at pumping station
- Company site name
- Calder Vale PS
- EA ID / permit
- UUP00391 · 017290476
- Outlet location
- SD5311045170 (OS grid reference) · View on Apple Maps
- WFD catchment
- Calder (Wyre) (GB112072066220)
- 2024 spills / hours
- 42 / 91
- Long-term average
- 23.0 spills a year (monitored since 2018)
- 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 122 hours spilling →
|
River Calder |
31 |
122 |
down 26% |
99% |
Scotby CSO
Overflow on sewer network
- Company site name
- Scotby CSO
- EA ID / permit
- UUP01730 · 017670159
- Outlet location
- NY4330055810 (OS grid reference) · View on Apple Maps
- WFD catchment
- Eden - Eamont to tidal (GB102076073940)
- 2024 spills / hours
- 26 / 100
- Long-term average
- 23.4 spills a year (monitored since 2021)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 122 hours spilling →
|
Collar Beck |
26 |
122 |
no change |
100% |
Cheadle Golf Course CSO (43198)
Overflow on sewer network
- Company site name
- Cheadle Golf Course CSO
- EA ID / permit
- UUP00456 · 016940447
- Outlet location
- SJ8623087880 (OS grid reference) · View on Apple Maps
- WFD catchment
- Micker Brook (GB112069060940)
- 2024 spills / hours
- 56 / 242
- Long-term average
- 50.4 spills a year (monitored since 2021)
- 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 122 hours spilling →
|
Micker Brook |
36 |
122 |
down 36% |
99% |
Earls Way CSO 12066
Overflow on sewer network
- Company site name
- Earls Way CSO
- EA ID / permit
- UUP00673 · 01CHR0002
- Outlet location
- SD5580018890 (OS grid reference) · View on Apple Maps
- WFD catchment
- Yarrow Culbeck Brook to tidal (GB112070064861)
- 2024 spills / hours
- 41 / 126
- Long-term average
- 70.0 spills a year (monitored since 2019)
- 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 122 hours spilling →
|
Chapel Brook |
51 |
122 |
up 24% |
99% |
Petre Arms Roundabout CSO
Overflow on sewer network
- Company site name
- Petre Arms Roundabout CSO
- EA ID / permit
- UUP01543 · 01RIB0017
- Outlet location
- SD7090034837 (OS grid reference) · View on Apple Maps
- WFD catchment
- Calder - Pendle Water to conf Ribble (GB112071065490)
- 2024 spills / hours
- 29 / 159
- Long-term average
- 40.4 spills a year (monitored since 2018)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 122 hours spilling →
|
Stream Trib Bushburn Brook |
15 |
122 |
down 48% |
100% |
Belle Vue /Cockermouth PS
Storm discharge at pumping station
- Company site name
- Belle Vue (Cockermouth) PS
- EA ID / permit
- UUP00219 · 017580263
- Outlet location
- NY1025031180 (OS grid reference) · View on Apple Maps
- WFD catchment
- Derwent - conf Cocker to tidal (GB112075070520)
- 2024 spills / hours
- 41 / 167
- Long-term average
- 49.3 spills a year (monitored since 2019)
- 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 122 hours spilling →
|
River Derwent |
39 |
122 |
down 5% |
100% |
Westleigh Park CSO 502ZF
Overflow on sewer network
- Company site name
- Westleigh Park CSO
- EA ID / permit
- UUP02089 · 016993633
- Outlet location
- SD6498001600 (OS grid reference) · View on Apple Maps
- WFD catchment
- Westleigh Brook (GB112069060820)
- 2024 spills / hours
- 75 / 277
- Long-term average
- 100.0 spills a year (monitored since 2019)
- 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 →
|
Westleigh Brook |
48 |
121 |
down 36% |
100% |
Oxford St/Pottinger St CSO (44045)
Overflow on sewer network
- Company site name
- Pottinger Street/Oxford Street CSO
- EA ID / permit
- UUP01567 · 016993753
- Outlet location
- SJ9288097810 (OS grid reference) · View on Apple Maps
- WFD catchment
- Tame (Swineshaw Brook to Mersey) (GB112069061112)
- 2024 spills / hours
- 60 / 166
- Long-term average
- 68.5 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 121 hours spilling →
|
River Tame |
55 |
121 |
down 8% |
99% |
CSO at 18/20 Beech Farm Drive
Overflow on sewer network
- Company site name
- 18/20 Beech Farm Drive CSO
- EA ID / permit
- UUP00583 · 016892097
- Outlet location
- SJ9154074560 (OS grid reference) · View on Apple Maps
- WFD catchment
- Bollin (Source to Dean) (GB112069061320)
- 2024 spills / hours
- 73 / 379
- Long-term average
- 69.5 spills a year (monitored since 2024)
- 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 →
|
River Bollin |
66 |
120 |
down 10% |
100% |
Burscough WwTW
Storm tank at sewage works
- Sewage works
- Burscough
- Company site name
- BURSCOUGH WwTW
- EA ID / permit
- UUP00374 · 017030001
- Outlet location
- SD4249013290 (OS grid reference) · View on Apple Maps
- WFD catchment
- Back Drain and Sluice (GB112070064880)
- 2024 spills / hours
- 25 / 302
- Long-term average
- 21.1 spills a year (monitored since 2019)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 120 hours spilling →
|
Boathouse Sluice |
12 |
120 |
down 52% |
100% |
Rr No 16 Bridgewater St CSO 483BR
Overflow on sewer network
- Company site name
- Rear of No. 166 Bridgewater Street CSO
- EA ID / permit
- UUP01694 · 01WAR0079
- Outlet location
- SJ6825087250 (OS grid reference) · View on Apple Maps
- WFD catchment
- Mersey (upstream of Manchester Ship Canal) (GB112069061030)
- 2024 spills / hours
- 52 / 129
- Long-term average
- 75.7 spills a year (monitored since 2019)
- 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 119 hours spilling →
|
Slitten Brook |
51 |
119 |
down 2% |
100% |
Bridge Street Bow Street CSO
Overflow on sewer network
- Company site name
- Bridge Street/Bow Street CSO
- EA ID / permit
- UUP00319 · 016993547
- Outlet location
- SD7171009460 (OS grid reference) · View on Apple Maps
- WFD catchment
- Middle Brook (GB112069064540)
- 2024 spills / hours
- 70 / 142
- Long-term average
- 79.7 spills a year (monitored since 2019)
- 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 119 hours spilling →
|
Cvrt Sec Middle Brook Trib R R |
63 |
119 |
down 10% |
100% |
Off Roddy Lane CSO (472O5)
Overflow on sewer network
- Company site name
- Off Roddy Lane CSO
- EA ID / permit
- UUP01448 · 01VRY0063
- Outlet location
- SJ5676074510 (OS grid reference) · View on Apple Maps
- WFD catchment
- Crowton Brook (GB112068060550)
- 2024 spills / hours
- 78 / 247
- Long-term average
- 71.8 spills a year (monitored since 2021)
- 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 119 hours spilling →
|
Trib of Crowton Brook |
45 |
119 |
down 42% |
98% |
Forge Mill PS (41003) STA0098
Storm discharge at pumping station
- Company site name
- Forge Mill PS
- EA ID / permit
- UUP00752 · 01STA0098
- Outlet location
- SJ8879059710 (OS grid reference) · View on Apple Maps
- WFD catchment
- Biddulph Brook (GB112068055360)
- 2024 spills / hours
- 33 / 174
- Long-term average
- 22.0 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 →
|
Biddulph Brook |
24 |
119 |
down 27% |
100% |
Greenwood Avenue CSO
Overflow on sewer network
- Company site name
- Greenwood Avenue CSO
- EA ID / permit
- UUP00857 · EPRAB3991EH
- Outlet location
- SD5620005774 (OS grid reference) · View on Apple Maps
- WFD catchment
- Douglas - Lower (GB112070064820)
- 2024 spills / hours
- 17 / 76
- Long-term average
- 78.4 spills a year (monitored since 2021)
- High-spill reason (company)
- Performance - Partial / no capacity due to blockage or restriction (e.g. roots / grid) - maintenance issue
- Monitor below 90%
- Sensor failure / issue · Resolved - Oct
- Investigation
- Env Act (SODRP) investigation ongoing, Operational investigation completed
- Improvement
- Operational improvement completed
- Volume & pollution
- Estimate from 119 hours spilling →
|
Close Brook |
49 |
119 |
up 188% |
82% |
Woolley Bridge Road CSO 43133
Overflow on sewer network
- Company site name
- Woolley Bridge Road CSO
- EA ID / permit
- UUP02171 · 016993681
- Outlet location
- SK0124096020 (OS grid reference) · View on Apple Maps
- WFD catchment
- Etherow (Woodhead Res. to Glossop Bk.) (GB112069060780)
- 2024 spills / hours
- 54 / 137
- Long-term average
- 57.6 spills a year (monitored since 2019)
- 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 119 hours spilling →
|
River Etherow |
40 |
119 |
down 26% |
96% |
Southport WwTW
Storm tank at sewage works
- Sewage works
- Southport
- Company site name
- SOUTHPORT WwTW
- EA ID / permit
- UUP01793 · 017030100
- Outlet location
- SD3708020820 (OS grid reference) · View on Apple Maps
- WFD catchment
- RIBBLE - transitional (GB531207112400)
- Bathing water
- Southport; St Annes; St. Annes North; Blackpool South
- 2024 spills / hours
- 9 / 44
- Long-term average
- 29.1 spills a year (monitored since 2017)
- Investigation
- No investigation activity in reporting period
- Improvement
- Bathing Water and/or Shellfish Water improvement ongoing
- Volume & pollution
- Estimate from 118 hours spilling →
|
Crossens Pool |
26 |
118 |
up 189% |
100% |
Gower Street CSO 50126
Overflow on sewer network
- Company site name
- Gower Street CSO
- EA ID / permit
- UUP00820 · 017081268
- Outlet location
- SD5712005210 (OS grid reference) · View on Apple Maps
- WFD catchment
- Douglas - Lower (GB112070064820)
- 2024 spills / hours
- 35 / 145
- Long-term average
- 50.0 spills a year (monitored since 2019)
- 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 118 hours spilling →
|
River Douglas |
38 |
118 |
up 9% |
100% |
Glasson WwTW
Inlet overflow at sewage works
- Sewage works
- Glasson
- Company site name
- Glasson Wastewater Treatment Works (GLASN)
- EA ID / permit
- UUP00798 · 017680455
- Outlet location
- NY2607060420 (OS grid reference) · View on Apple Maps
- WFD catchment
- SOLWAY (GB530207614700)
- Bathing water
- Allonby
- 2024 spills / hours
- 62 / 338
- Long-term average
- 97.3 spills a year (monitored since 2019)
- Investigation
- Env Act (SODRP) investigation ongoing
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 118 hours spilling →
|
Tidal tributary of the Solway Firth |
24 |
118 |
down 61% |
98% |
Chorley Rd Manhole E36 CSO (501JP)
Overflow on sewer network
- Company site name
- Chorley Road M.H E36 Standish
- EA ID / permit
- UUP00474 · EPRSB3399VB
- Outlet location
- SD5800009280 (OS grid reference) · View on Apple Maps
- WFD catchment
- Douglas - Mid (GB112070064780)
- 2024 spills / hours
- 67 / 166
- Long-term average
- 60.2 spills a year (monitored since 2021)
- 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 117 hours spilling →
|
River Douglas |
65 |
117 |
down 3% |
100% |
Weeton Wastewater Treatment Works
Inlet overflow at sewage works
- Sewage works
- Weeton
- Company site name
- WEETON WwTW
- EA ID / permit
- UUP02065 · 017260056
- Outlet location
- SD3828034840 (OS grid reference) · View on Apple Maps
- WFD catchment
- Hillylaid Pool - Tidal Wyre (GB112072066120)
- Bathing water
- Fleetwood
- 2024 spills / hours
- 150 / 255
- Long-term average
- 115.5 spills a year (monitored since 2017)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Investigation
- Env Act (SODRP) investigation ongoing, Operational investigation completed
- Improvement
- Env Act (SODRP) improvement ongoing, Operational improvement completed
- Volume & pollution
- Estimate from 117 hours spilling →
|
Unnamed tributary of Main Dyke |
87 |
117 |
down 42% |
100% |
Greenbank Lane CSO Northwich
Overflow on sewer network
- Company site name
- Greenbank Lane CSO Northwich
- EA ID / permit
- UUP00849 · 016892403
- Outlet location
- SJ6510072320 (OS grid reference) · View on Apple Maps
- WFD catchment
- Weaver (Winsford Flashes to Dane) (GB112068060463)
- 2024 spills / hours
- 56 / 202
- Long-term average
- 49.6 spills a year (monitored since 2018)
- 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 117 hours spilling →
|
The River Weaver |
40 |
117 |
down 29% |
100% |
Mainway/Worcester Road CSO
Overflow on sewer network
- Company site name
- Mainway/Worcester Road CSO
- EA ID / permit
- UUP01221 · 016993575
- Outlet location
- SD8649004481 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irk (Wince to Irwell) (GB112069061131)
- 2024 spills / hours
- 31 / 95
- Long-term average
- 30.5 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 →
|
Boardman Brook |
26 |
117 |
down 16% |
96% |
Rivacre Valley Park CSO
Overflow on sewer network
- Company site name
- Rivacre Valley Park CSO
- EA ID / permit
- UUP01659 · 016891627
- Outlet location
- SJ3853077990 (OS grid reference) · View on Apple Maps
- WFD catchment
- Rivacre Brook (GB112068060350)
- 2024 spills / hours
- 51 / 219
- Long-term average
- 67.3 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 117 hours spilling →
|
Rivacre Brook |
63 |
117 |
up 24% |
96% |
Robin Hood Pumping Station
Storm discharge at pumping station
- Company site name
- Robin Hood PS
- EA ID / permit
- UUP01670 · 017091516
- Outlet location
- SD5062016350 (OS grid reference) · View on Apple Maps
- WFD catchment
- Syd Brook (GB112070064920)
- 2024 spills / hours
- 32 / 159
- Long-term average
- 67.1 spills a year (monitored since 2019)
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 116 hours spilling →
|
Unnamed Trib of Syd Brook |
29 |
116 |
down 9% |
100% |
Stenkrith Bridge SSO
Overflow on sewer network
- Company site name
- Stenkrith Bridge CSO
- EA ID / permit
- UUP01856 · 017680271
- Outlet location
- NY7730007470 (OS grid reference) · View on Apple Maps
- WFD catchment
- Eden - headwaters to Scandal Beck (GB102076070590)
- 2024 spills / hours
- 22 / 149
- Long-term average
- 23.0 spills a year (monitored since 2020)
- Investigation
- Env Act (SODRP) investigation ongoing
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 116 hours spilling →
|
River Eden |
16 |
116 |
down 27% |
98% |
Wellington Road South CSO
Overflow on sewer network
- Company site name
- Wellington Road South CSO
- EA ID / permit
- UUP02072 · 016982671
- Outlet location
- SJ8930190321 (OS grid reference) · View on Apple Maps
- WFD catchment
- Mersey (upstream of Manchester Ship Canal) (GB112069061030)
- 2024 spills / hours
- 57 / 105
- Long-term average
- 69.7 spills a year (monitored since 2017)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Monitor below 90%
- Comms failure / issue · Not Applicable - Ongoing investigation
- Investigation
- Env Act (SODRP) investigation ongoing
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 115 hours spilling →
|
River Mersey |
50 |
115 |
down 12% |
67% |
Tanhouse Lane
Overflow on sewer network
- Company site name
- Tan House Lane/ Moss Bank Road CSO
- EA ID / permit
- UUP01899 · 01HAL0052
- Outlet location
- SJ5274084830 (OS grid reference) · View on Apple Maps
- WFD catchment
- MERSEY - Transitional (GB531206908100)
- 2024 spills / hours
- – / –
- Long-term average
- 43.0 spills a year (monitored since 2024)
- High-spill reason (company)
- Not asset maintenance - Hydraulic capacity
- Investigation
- No investigation activity in reporting period
- Improvement
- Env Act (SODRP) improvement ongoing
- Volume & pollution
- Estimate from 115 hours spilling →
|
River Mersey Estuary |
43 |
115 |
|
94% |
CSO South of Ashawe Grove
Overflow on sewer network
- Company site name
- South of Ashawe Grove CSO
- EA ID / permit
- UUP00584 · 016982741
- Outlet location
- SD7156003030 (OS grid reference) · View on Apple Maps
- WFD catchment
- Astley Brook (Mersey) (GB112069061100)
- 2024 spills / hours
- 26 / 82
- Long-term average
- 40.5 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 115 hours spilling →
|
Trib of Honksford Brook |
38 |
115 |
up 46% |
100% |
Huyton Wastewater Treatment Works
Inlet overflow at sewage works
- Sewage works
- Huyton
- Company site name
- HUYTON WwTW
- EA ID / permit
- UUP01007 · 016930121
- Outlet location
- SJ4473088840 (OS grid reference) · View on Apple Maps
- WFD catchment
- Netherley Brook (GB112069060680)
- 2024 spills / hours
- 54 / 373
- Long-term average
- 81.6 spills a year (monitored since 2019)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 115 hours spilling →
|
Ditton Brook |
26 |
115 |
down 52% |
98% |
Dalton Screens CSO
Overflow on sewer network
- Company site name
- Dalton Screens
- EA ID / permit
- UUP00601 · 017470006
- Outlet location
- SD2232073490 (OS grid reference) · View on Apple Maps
- WFD catchment
- Mill Beck (Poaka Beck) (GB112074069790)
- Bathing water
- Walney West Shore
- Shellfish water
- Walney
- 2024 spills / hours
- 63 / 142
- Long-term average
- 57.9 spills a year (monitored since 2018)
- High-spill reason (company)
- Data collection - Confirmed exceptional weather
- Investigation
- Env Act (SODRP) investigation ongoing
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 115 hours spilling →
|
Poaka Beck |
61 |
115 |
down 3% |
96% |
Whiston Park (Eccleston Pk) CSO
Overflow on sewer network
- Company site name
- Whiston Eccleston Park CSO
- EA ID / permit
- UUP02108 · 016983003
- Outlet location
- SJ4589089890 (OS grid reference) · View on Apple Maps
- WFD catchment
- Prescot Brook (Logwood Mill Brook) (GB112069060710)
- 2024 spills / hours
- 43 / 159
- Long-term average
- 35.7 spills a year (monitored since 2020)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 114 hours spilling →
|
Longwood Mill Brook |
25 |
114 |
down 42% |
100% |
Irthington PS
Storm discharge at pumping station
- Company site name
- Irthington PS
- EA ID / permit
- UUP01027 · 017680326
- Outlet location
- NY4992061620 (OS grid reference) · View on Apple Maps
- WFD catchment
- Irthing DS Crammel Linn Waterfall (GB102076073981)
- 2024 spills / hours
- 7 / 22
- Long-term average
- 10.5 spills a year (monitored since 2020)
- Investigation
- No investigation activity in reporting period
- Improvement
- No improvement action in reporting period
- Volume & pollution
- Estimate from 114 hours spilling →
|
Trib River Irthing |
22 |
114 |
up 214% |
100% |