River Aln polluted by sewage 331 times in 2023 - lasting 2,617 hours

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Totals for River Aln in 2023
7 Sites polluted by Northumbrian Water
331 sewage dumps
2,617 h duration
That's 3.63 months. 6.4 times a week, on average
Constituencies along River Aln

Pollution Summary 2023

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

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River Aln WHITTINGHAM STW 108 1,326 100
Northumbrian Water River Aln ALNWICK SEWAGE TREATMENT WORKS 135 920 99.95
Northumbrian Water River Aln ALN BANK CSO 20 253 97.3
Northumbrian Water River Aln NARROWGATE CSO 36 53 100
Northumbrian Water River Aln LESBURY (STEPPY LANE) PUMPING STATI 17 44 100
Northumbrian Water River Aln ALNMOUTH P STATION 11 17 100
Northumbrian Water River Aln ALNWICK CASTLE CSO NO 2 A035 4 1 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. 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.