Top of the Poops | Place | Alfreton | Polluted by Severn Trent Water

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Totals for Alfreton in 2025

9 Sites polluted by Severn Trent Water

257 sewage dumps

1,065 hours duration

That's 1.48 months. 4.9 times a week, on average

Change Over Time

Constituency for Alfreton

Nearby Constituencies

Waterways in Alfreton

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Alfreton in 2025. 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 place all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Severn Trent Water	Alfreton Brook	ALFRETON SEWAGE TREATMENT WORKS	84	537	99.8
Severn Trent Water	Oakerthorpe Brook	MORTIMER WILSON CSO	41	171	100
Severn Trent Water	Alfreton Brook	SOUTH NORMANTON - CARNFIELD SPS	25	163	100
Severn Trent Water	Alfreton Brook	ALFRETON - MEADOW LANE SEWAGE PS	33	83	100
Severn Trent Water	Hartshay Brook	DELVES FARM CSO	31	44	100
Severn Trent Water	Alfreton Brook	ELMS ESTATE CSO	16	32	100
Severn Trent Water	Oakerthorpe Brook	ALFRETON - BROOK AVENUE CSO	18	19	100
Severn Trent Water	Alfreton Brook	HIGHFIELDS PUMPING STATION	6	12	100
Severn Trent Water	Butterley Reservoir	OUTSIDE GOODWIN CSO	3	0	99.8

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.

Analysing sewage pollution by the Water Industry

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Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

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