Ranked sites
Spill leaderboard
Sites with the most spills over the selected time window.
Spill-time ranking started on 14 February 2026 at 12:00 PM GMT, so durations are shown since then.
Currently monitoring the Warwickshire Avon catchment.
View the top sites or switch to the map for the same time window and ranking mode.
Showing 1-20 of 99 sites · Last 30 days · Sorted by most spills
Page 1 of 5
#1
Lower Mill Farm Cso
(SVT01433)
Receiving water: Tributary Of Carrant Brook ·
Station type: SO on sewer network
Spills
58
270 days 4 hours 42 mins
#2
Stratford Milcote Stw
(SVT02235)
Receiving water: River Avon ·
Station type: Storm tank at WwTW
Spills
52
395 days 12 hours 5 mins
#3
Frankton Sewage Treatment Works
(SVT00925)
Receiving water: Tributary Of River Leam ·
Station type: Storm tank at WwTW
Spills
38
79 days 12 hours 53 mins
#4
Itchen Bank Sewage Treatment Works
(SVT01223)
Receiving water: River Itchen ·
Station type: Storm tank at WwTW
Spills
36
264 days 11 mins
#5
Kimcote Sewage Treatment Works
(SVT01265)
Receiving water: River Swift ·
Station type: Storm tank at WwTW - with treatment
Spills
36
17 days 8 hours 32 mins
#6
Great Washbourne Stw
(SVT00999)
Receiving water: Tributary Of Carrant Brook ·
Station type: Storm tank at WwTW
Spills
34
638 days 5 hours 10 mins
#7
Wootton Wawen Stw
(SVT02628)
Receiving water: River Alne ·
Station type: Storm tank at WwTW
Spills
33
107 days 6 hours 40 mins
#8
Bascote Sewage Treatment Works
(SVT00193)
Receiving water: Tributary Of River Itchen ·
Station type: Inlet SO at WwTW
Spills
32
305 days 14 hours 14 mins
#9
Weston Under Wetherley Stw
(SVT02525)
Receiving water: River Leam ·
Station type: Storm tank at WwTW
Spills
30
219 days 19 hours 33 mins
#10
High Street Badsey Cso
(SVT01123)
Receiving water: Badsey Brook ·
Station type: SO on sewer network
Spills
29
206 days 8 hours 44 mins
#11
Lower Lode Lane Pumping Station
(SVT01432)
Receiving water: Mill Avon ·
Station type: Storm discharge at pumping station
Spills
29
557 days 4 hours 13 mins
#12
Northend Stw
(SVT01669)
Receiving water: Tributary Of River Dene ·
Station type: Inlet SO at WwTW - with treatment
Spills
28
3 days 11 hours 12 mins
#13
Crowle Stw
(SVT00694)
Receiving water: Bow Brook ·
Station type: Storm tank at WwTW
Spills
28
524 days 13 hours
#14
Broadway Sewage Treatment Works
(SVT00369)
Receiving water: Tributary Of Badsey Brook ·
Station type: Storm tank at WwTW
Spills
26
73 days 6 hours 40 mins
#15
Winchcombe Sewage Treatment Works
(SVT02571)
Receiving water: River Isbourne ·
Station type: Storm tank at WwTW
Spills
22
593 days 20 hours 36 mins
#16
Bidford On Avon Stw
(SVT00263)
Receiving water: River Arrow ·
Station type: Storm tank at WwTW
Spills
21
78 days 10 hours 48 mins
#17
Evesham/Hampton Parks Stw
(SVT00882)
Receiving water: River Avon ·
Station type: Storm tank at WwTW
Spills
21
328 days 2 hours 17 mins
#18
Adjacent No. 177 Evesham Road Cso
(SVT00030)
Receiving water: Ditch Trib Of The River Avon ·
Station type: SO on sewer network
Spills
20
184 days 8 hours 10 mins
#19
Honeybourne Sewage Treatment Works
(SVT01172)
Receiving water: Tributary Of Broadway Brook ·
Station type: Storm tank at WwTW
Spills
19
50 days 16 hours 13 mins
#20
Naseby Sewage Treatment Works
(SVT01604)
Receiving water: River Avon ·
Station type: Storm tank at WwTW
Spills
17
99 days 21 hours 8 mins
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