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North Herefordshire - 2025 Sewage

Polluted by sewage 6,332 hours in 2025 , monitoring offline 2,578 hours , potential overflows 123 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in North Herefordshire for 2025. It is an estimate, based on very poor quality live data from the Water Companies. This may not align with the 'official' reported sewage values from the water companies, which is reported in April following then end of the year - so 2025 numbers are reported in April 2026.

What's a potential overflow? If the CSO goes 'Offline' while its Overflowing, we don't know if it stopped overflowing until we get a 'Stop' event.

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Sewage pollution map of North Herefordshire: 6,332 hours in 2025
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Constituencies near North Herefordshire

Daily Data

Jan - 431 hours , 155 offline
Feb - 907 hours , 108 offline
Mar - 144 hours , 80 potential
Apr - 34 hours , 216 offline
May - 12 hours , 601 offline
Jun - 24 hours , 518 offline
Jul - 20 hours , 181 offline
Aug - 27 hours , 24 offline
Sept - 166 hours , 57 offline
Oct - 57 hours , 78 offline
Nov - 2,170 hours , 250 offline
Dec - 2,335 hours , 43 potential
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.
Please note: We don't have rainfall data for Wales. If you know where to source it please let us know!
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Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Severn Trent Water COLWALL STW (SSTO) Cradley Brook 74 995h 31m 91 h
Dwr Cymru Welsh Water Kingsland WwTW Overflow Pinsley Brook 54 844h 45m -
Severn Trent Water LEINTWARDINE - WATLING STREET (B) (CSO) River Teme 36 588h 36m 50 h
Dwr Cymru Welsh Water Moreton on Lugg WwTW Storm Overflow River Lugg 20 401h 45m -
Dwr Cymru Welsh Water Eardisley WwTW Storm Overflow Willersley Brook 28 400h 44m -
Dwr Cymru Welsh Water Waterloo Road Kington Overflow River Arrow 47 318h 59m -
Severn Trent Water COLWALL STW (SSTO) Cradley Brook 23 302h 9m 92 h
Severn Trent Water COLWALL - XXXX FARM PS (CSO) Cradley Brook 18 245h 28m -
Dwr Cymru Welsh Water Leominster WwTW Storm Overflow Afon Lliw 41 211h 27m -
Severn Trent Water COLWALL - XXXX FARM PS (CSO) Cradley Brook 26 200h 23m 349 h
Dwr Cymru Welsh Water Tarrington WwTW Storm Overflow River Frome 16 179h 30m -
Dwr Cymru Welsh Water New Court Storm Overflow Withington Brook 22 164h 29m -
Dwr Cymru Welsh Water Shobdon WwTW Storm Overflow Pinsley Brook 49 148h 14m -
Dwr Cymru Welsh Water Weobley WwTW Storm Overflow Newbridge Brook 37 128h -
Dwr Cymru Welsh Water Yarpole Overflow Ridgemoor Brook 14 107h 32m -
Severn Trent Water LEINTWARDINE - WATLING STREET (B) (CSO) River Teme 12 101h 43m 118 h
Dwr Cymru Welsh Water Bromyard New Road Storm Overflow River Frome 38 79h 55m -
Severn Trent Water LEDBURY STW (CSO) River Leadon 31 70h 56m 80 h
Severn Trent Water WEST MALVERN - DEWALDEN RD (CSO) Cradley Brook\N 4 70h 4m 1,569 h
Dwr Cymru Welsh Water Meadow Street Field Storm Overflow Newbridge Brook 27 64h 43m -
Severn Trent Water WHITBOURNE STW (SSTO) River Teme 6 60h 46m -
Dwr Cymru Welsh Water Bromyard WwTW Storm Overflow River Frome 26 59h 18m -
Dwr Cymru Welsh Water Love Lane Storm Overflow River Arrow 15 58h 52m -
Severn Trent Water LEINTWARDINE - HIGH STREET (A) (CSO) River Teme 16 49h 55m 163 h
Severn Trent Water LEDBURY - LOWER RD TRADING EST (CSO) River Leadon 8 42h 6m 87 h
Severn Trent Water LEDBURY - LITTLE MARCLE RD (BIFR) River Leadon 20 40h 55m -
Dwr Cymru Welsh Water Sherford Street Storm Overflow River Frome 32 38h 33m -
Dwr Cymru Welsh Water Luston Storm overflow Unnamed Watercourse 3 38h 30m -
Dwr Cymru Welsh Water Bridge Street Pembridge Storm Overflow River Arrow 19 36h 21m -
Severn Trent Water LEINTWARDINE - HIGH STREET (A) (CSO) River Teme 9 35h 11m -
Severn Trent Water LEDBURY STW (CSO) River Leadon 7 34h 7m -
Dwr Cymru Welsh Water Tanyard Storm Overflow Afon Lliw 21 33h 25m -
Dwr Cymru Welsh Water Lyonshall WwTW Overflow Curl Brook 8 29h 2m -
Dwr Cymru Welsh Water Kington WwTW Storm Overflow The Back Brook 12 27h 1m -
Dwr Cymru Welsh Water Unknown Unknown 2 24h 30m -
Dwr Cymru Welsh Water Bodenham Moor Overflow Tributary of River Lugg 5 20h 15m -
Severn Trent Water UPPER SAPEY (STW) Sapey Brook 17 19h 40m 24 h
Severn Trent Water WHITBOURNE STW (SSTO) River Teme 9 17h 51m -
Dwr Cymru Welsh Water Bridge Street Kington Storm Overflow River Arrow 3 17h 29m -
Dwr Cymru Welsh Water Porthouse Farm Industrial Estate Overflow River Frome 11 13h 14m -
Dwr Cymru Welsh Water Fownhope WwTW Storm Overflow River Wye 4 3h 42m -
Dwr Cymru Welsh Water Seaton Avenue Storm Overflow Lugg Rheay 6 3h 30m -
Severn Trent Water LEDBURY - LITTLE MARCLE RD (BIFR) River Leadon 1 2h 5m 43 h
Dwr Cymru Welsh Water Castlefields Leominster Overflow River Lugg 1 1h 12m -
Severn Trent Water LEDBURY - LOWER RD TRADING EST (CSO) River Leadon 0 0h 31 h
Severn Trent Water WEST MALVERN - DEWALDEN RD (CSO) Cradley Brook\N 0 0h -
Dwr Cymru Welsh Water Off Millcroft Road Bodenham Overflow Tributary of River Lugg 0 0h -
Severn Trent Water UPPER SAPEY (STW) Sapey Brook 0 0h -

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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Analysing sewage pollution by the Water Industry

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© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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