Weaver Vale was polluted by sewage 1,284 times in 2023
lasting 5,658 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Weaver Vale in 2023
28 Sites polluted by United Utilities
1,284 sewage dumps
5,658 h duration
That's 7.86 months. On average 3.5 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Weaver Vale in 2023. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 3 of the total 37 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Unknown CHESTER WAY 208 2,065 97.4
United Utilities River Weaver NORTHWICH WWTW 102 1,152 72.85
United Utilities Crowton Brook KINGSLEY STW 81 960 98.5
United Utilities River Dane MARLOWE ROAD (PLAYING FIELDS) CSO 92 284 99.7
United Utilities Crowton Brook OFF RODDY LANE CSO (472O5) 84 214 100
United Utilities River Weaver NEWTOWN PUMPING STATION 46 207 100
United Utilities River Weaver GREENBANK LANE CSO NORTHWICH 62 146 100
United Utilities River Dane Via Sws MIDDLEWICH RD/PARKFIELD RD CSO 73 96 100
United Utilities River Dane Via Sws 181 LONDON ROAD CSO 84 85 100
United Utilities Handforth Brook Via Sws 310-314 CHESTER ROAD CSO 20 81 100
United Utilities Weaver Navigation NAVIGATION ROAD CSO (472HN) 88 79 100
United Utilities River Weaver WATERSIDE DRIVE CSO 472H4 34 70 100
United Utilities River Dane MANORA ROAD (DANE NURSERIES) CSO 70 64 100
United Utilities River Dane OFF CARLTON ROAD CSO 54 41 100
United Utilities River Weaver WEAVERHAM STW 21 36 99.7
United Utilities Main Drain HIGH STREET/MOORS LANE CSO 32 19 100
United Utilities River Dane Via Sws 230 LONDON ROAD CSO 29 12 100
United Utilities Manchester Ship Canal RUNCORN ROAD CSO 22 10 100
United Utilities Frodsham Marsh Ditch HATLEY LANE COMBINED SEWER OVERFLOW 14 6 100
United Utilities River Weaver KEEPER'S LANE CSO (472BH) 5 6 100
United Utilities Kingsley Brook OFF WELL LANE KINGSLEY CSO (472JN) 15 3 100
United Utilities River Weaver WINNINGTON STREET CSO 472YM 12 2 100
United Utilities River Weaver BRIDGE LANE QUAYSIDE CSO 9 2 100
United Utilities River Mersey DARESBURY COMBINED SEWER OVERFLOW 10 1 100
United Utilities Weaver Navigation Via Sws SPENCER STREET/DARWIN STREET CSO 9 1 100
United Utilities River Weaver OWLEY WOOD ROAD CSO 6 1 100
United Utilities River Weaver DOCK ROAD SPS 1 0 100
United Utilities Wade Brook O/S 49 EDWARD ST 1 0 100
United Utilities River Weaver WEIR STREET COMBINED SEWER OVERFLOW 0 0 0
United Utilities River Weaver SCHOOL LANE/LODGE LANE CSO 0 0 0
United Utilities River Weaver (IN SCOUT HUT) OWLEY WOOD ROAD CSO 0 0 100
United Utilities Weaver Navigation OFF SCHOOL LANE CSO (472JI) 0 0 100
United Utilities Unknown BARONS QUAY PS 0 0 100
United Utilities Wade Brook Via Sws REAR OF 36 PETER STREET 0 0 100
United Utilities Bogart Brook MARTON NORTH WWTW 0 0 100
United Utilities Unknown CASTLE ST 0 0 0
United Utilities Pettypool Brook WHITEGATE WWTW 0 0 100

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. This 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.