67 storm overflows are traced upstream of Nun Appleton Fleet Pumping Station, the Wharfe’s lowest gauge on the river map: on the Wharfe itself, on its gauged tributaries, and on smaller streams that join above there.
- 0 report discharging now
- 63 not discharging
- 4 offline or silent: 3 monitor offline, 1 status unknown, 0 no live feed
Official figures for 2025, for the overflows traced upstream of Nun Appleton Fleet Pumping Station: 2,087 spills over 13,160 hours in total, across all 67.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Wharfe includes the smaller streams that join it there. Where a stretch or a tributary has more than 4, the 3 discharging now or nearest its gauge are listed, the rest are counted, and every one is in that gauge’s “Upstream of here” list. Show every overflow in every stretch →
Between Kettlewell and Netherside Hall2 overflows
- Kettlewell STW Not discharging bathing water
Yorkshire Water · into River Wharfe · 8.1 km by river above Netherside Hall · 2025: 70 spills, 99 h - Kettlewell STW Not discharging bathing water
Yorkshire Water · into River Wharfe · 8.1 km by river above Netherside Hall · 2025: 20 spills, 63 h
Between Netherside Hall and Addingham9 overflows
- Bolton Bridge SPS Not discharging bathing water
Yorkshire Water · into River Wharfe · 4.7 km by river above Addingham · 2025: 5 spills, 24 h - Beamsley Wastewater Treatment Works Not discharging bathing water
Yorkshire Water · into River Wharfe · 3.9 km by river above Addingham · 2025: 120 spills, 118 h - Low Mill Lane 179 CSO Not discharging bathing water
Yorkshire Water · into Town Beck · 570 m by river above Addingham · 2025: 6 spills, 17 h
and 6 more: show all 9 overflows on this stretch → All above Addingham, nearest first →
Between Addingham and Ilkley2 overflows
- Addingham No.1 Storm Tanks Not discharging bathing water
Yorkshire Water · into River Wharfe · 2.9 km by river above Ilkley · 2025: 41 spills, 371 h - Addingham No.1 Storm Tanks Not discharging bathing water
Yorkshire Water · into River Wharfe · 2.9 km by river above Ilkley · 2025: 28 spills, 61 h
Between Ilkley and Otley20 overflows
- Burley/Menston (Sheffield) STW Not discharging
Yorkshire Water · into River Wharfe · 2.1 km by river above Otley · 2025: 80 spills, 1,144 h - West Busk Lane No 2 CSO Not discharging
Yorkshire Water · into River Wharfe Via Public Sewer · 1.3 km by river above Otley · 2025: 19 spills, 21 h · reaches the river through a sewer, so where it enters is approximate - Ilkley Road Not discharging
Yorkshire Water · into River Wharfe · 730 m by river above Otley · 2025: 28 spills, 53 h
and 17 more: show all 20 overflows on this stretch → All above Otley, nearest first →
Between Otley and Pool Bridge4 overflows
- Bridge Street SSO Not discharging
Yorkshire Water · into River Wharfe · 5.4 km by river above Pool Bridge · 2025: 11 spills, 23 h - Billams Hill SSO Not discharging
Yorkshire Water · into River Wharfe · 5.4 km by river above Pool Bridge · 2025: 49 spills, 133 h - Otley Sewage Treatment Works Not discharging
Yorkshire Water · into River Wharfe · 4.4 km by river above Pool Bridge · 2025: 0 spills, 0 h - Otley Sewage Treatment Works Not discharging
Yorkshire Water · into River Wharfe · 4.3 km by river above Pool Bridge · 2025: 42 spills, 367 h
Between Pool Bridge and Arthington4 overflows
- Arthington Lane CSO Not discharging
Yorkshire Water · into River Wharfe · 7.3 km by river above Arthington · 2025: 20 spills, 42 h - Crook Farm CSO Not discharging
Yorkshire Water · into Culverted Trib Of River Wharfe · 6.9 km by river above Arthington · 2025: 44 spills, 141 h - Pool Wpc Works Not discharging
Yorkshire Water · into River Wharfe · 4.7 km by river above Arthington · 2025: 78 spills, 963 h - Pool Wpc Works Not discharging
Yorkshire Water · into River Wharfe · 4.7 km by river above Arthington · 2025: 14 spills, 117 h
Between Arthington and Collingham4 overflows
- Bridge House Farm CSO Not discharging
Yorkshire Water · into Weeton Beck · 11.9 km by river above Collingham · 2025: 36 spills, 231 h - Weeton Sewage Treatment Works Not discharging
Yorkshire Water · into River Wharfe · 10.8 km by river above Collingham · 2025: 92 spills, 837 h - Kearby Sewage Treatment Works Not discharging
Yorkshire Water · into River Wharfe · 6.7 km by river above Collingham · 2025: 35 spills, 305 h - Langwith Valley SPS Not discharging bathing water
Yorkshire Water · into Wharfe · 1.3 km by river above Collingham · 2025: 3 spills, 1.0 h
Between Collingham and Flint Mill8 overflows
- Weatherby High Street CSO Not discharging bathing water
Yorkshire Water · into River Wharfe · 2.6 km by river above Flint Mill · 2025: 1 spill, 0.3 h - Wetherby Bypass CSO Not discharging bathing water
Yorkshire Water · into River Wharfe · 2.2 km by river above Flint Mill · 2025: 4 spills, 7.3 h - Wetherby Sewage Treatment Works Not discharging bathing water
Yorkshire Water · into River Wharfe · 570 m by river above Flint Mill · 2025: 50 spills, 363 h
and 5 more: show all 8 overflows on this stretch → All above Flint Mill, nearest first →
Bardsey Beck, above Bardseyjoins the Wharfe above Flint Mill3 overflows
- Shadwell Sewage Pumping Station Not discharging
Yorkshire Water · into Culverted Trib Scarcroft Beck · 5.6 km by river above Bardsey · 2025: 47 spills, 124 h - Bardsey CSO Not discharging
Yorkshire Water · into Gill Beck · 440 m by river above Bardsey · 2025: 3 spills, 7.5 h · placed on the river by its position alone - Hetchell View CSO Not discharging
Yorkshire Water · into Bardsey Beck · 260 m by river above Bardsey · 2025: 23 spills, 292 h
Between Flint Mill and Tadcaster2 overflows
- Bramham Low Way CSO Monitor offline
Yorkshire Water · into Carr Beck · 10.4 km by river above Tadcaster · 2025: 9 spills, 8.8 h - Ebor Way CSO Not discharging
Yorkshire Water · into River Wharfe · 7.0 km by river above Tadcaster · 2025: 26 spills, 70 h
Bramham Beck, above Bramham Screensjoins the Wharfe above Tadcaster1 overflow
- CSO At Milner Lane Not discharging
Yorkshire Water · into Mill Beck (Wharfe Catchment) · 6.1 km by river above Bramham Screens · 2025: 49 spills, 283 h
Between Tadcaster and Cock Beck Sluices3 overflows
- Tadcaster West CSO Not discharging
Yorkshire Water · into River Wharfe · 1.2 km by river above Cock Beck Sluices · 2025: 42 spills, 100 h - Britannia Inn CSO Not discharging
Yorkshire Water · into River Wharfe · 1.1 km by river above Cock Beck Sluices · 2025: 39 spills, 200 h - Tadcaster Brittania CSO Not discharging
Yorkshire Water · into River Wharfe · 1.1 km by river above Cock Beck Sluices · 2025: 24 spills, 107 h
Above Nun Appleton Fleet Pumping Station5 overflows
- Barwick In Elmet Sewage Works Not discharging
Yorkshire Water · into Trib Of Cock Beck · 29.0 km by river above Nun Appleton Fleet Pumping Station · 2025: 57 spills, 546 h - Aberford Sewage Treatment Works Not discharging
Yorkshire Water · into Tributary Of Cock Beck · 25.1 km by river above Nun Appleton Fleet Pumping Station · 2025: 6 spills, 5.5 h - Tadcaster Wpc Works Not discharging
Yorkshire Water · into River Wharfe · 9.6 km by river above Nun Appleton Fleet Pumping Station · 2025: 11 spills, 105 h
and 2 more: show all 5 overflows on this stretch → All above Nun Appleton Fleet Pumping Station, nearest first →
Near these gauges, connection not known
Within 3 km of one of the Wharfe’s gauges in a straight line, but the river map cannot say whether their water reaches it.
- Bridge Lane Sewage Pumping Station Not discharging bathing water
Yorkshire Water · into Spicey Gill · 120 m from Ilkley in a straight line · several watercourses close by, nothing to choose between them · 2025: 0 spills, 0 h - Warren Lane SPS Not discharging
Yorkshire Water · into Trib Of The Wharfe · 1.9 km from Pool Bridge in a straight line · no mapped watercourse close enough to be sure · 2025: 8 spills, 29 h - Anson Grove Sewage Pumping Station Not discharging
Yorkshire Water · into Unnamed Trib Of Tidal Ouse · 2.4 km from Nun Appleton Fleet Pumping Station in a straight line · discharges to the sea, an estuary or tidal water · 2025: 3 spills, 17 h
1 more near these gauges whose connection is not known.
1 other overflow within 3 km of these gauges is placed below the Wharfe’s lowest gauge or on another river, so not listed.
A status is the water company’s own monitor: it says whether an overflow is discharging, never how much or why, and a spill does not by itself explain a change in a river level. A status older than two hours is shown as unknown. Annual figures are the official returns: 12/24-hour spills for England and Wales, overflow events for Scotland (Scottish Water counts differently, so the two cannot be compared). “No data” means the monitor produced no usable data that year, not zero. Overflows are placed on OS Open Rivers (edition 2026-04), which leaves out many small channels: an overflow the map cannot place may still drain here. Contains OS data © Crown copyright and database rights 2026. Sewage in Britain’s rivers →
Live status: © Yorkshire Water storm overflow activity data, licensed under CC BY 4.0. Annual figures for England: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence v3.0.