Area of Outstanding Natural Beauty

Solway Coast

Polluted by sewage 532 times in 2025 - lasting 3,179 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Totals for Solway Coast in 2025

14 Sites polluted by United Utilities
532 sewage dumps
3,179 hours duration
Sewage pollution map of Solway Coast
Sewage pollution map of Solway Coast, showing 532 overflows in 2025
That's 4.42 months. On average 1.5 times a day

How does Solway Coast compare?

Solway Coast was the #22 most polluted Area of Outstanding Natural Beauty in England & Wales, by duration of sewage overflows, as reported by the water companies

Why the change?

Storm overflows spill when it rains, and 2025 was drier than 2024 - 90% of average annual rainfall against 105%.

So much of any drop is weather, not fixed pipes. The live page shows rainfall and sewage side by side, day by day.

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Solway Coast in 2025.

How we count, and how accurate it is

A CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway counts towards Solway Coast when it sits inside the designated area, or within 200 metres of its boundary. An overflow close to two AONBs is counted in both.

We use data from the water companies, but we are seeing many anomalies that make us believe that location information is quite poor. The situation is likely far worse than reported here.

Other CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s just outside the 200 metre boundary are not counted, though they may still affect water quality inside the area.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities Ridding Sough LONGBURGH PUMPING STATION 72 620 99.8
United Utilities Solway Firth BOWNESS-ON-SOLWAY PUMPING STATION 37 474 99
United Utilities River Wampool NEWTON ARLOSH WWTW NEWTA 81 384 99.9
United Utilities Scad Beck CROSSCANONBY WWTW 56 355 99.7
United Utilities Irish Sea ALLONBY WWTW ALLON 20 295 99.8
United Utilities Ridding Sough BURGH-BY-SANDS WWTW 44 259 100
United Utilities Rockcliffe Beck ROCKCLIFFE PUMPING STATION CAR0027 73 242 99.9
United Utilities River Wampool NEWTON ARLOSH WEST PUMPING STATION 33 157 82.1
United Utilities Solway Firth Estuarine Wt GLASSON WWTW 24 117 97.9
United Utilities Un-Named Solway Firth GLASSON PUMPING STATION 48 93 99.7
United Utilities River Wampool Estuary ANTHORN PS ANTHN 24 72 100
United Utilities Tidal Solway Firth DRUMBURGH PUMPING STATION DRMBU 13 69 100
United Utilities Solway Firth PORT CARLISLE PUMPING STATION 6 36 100
United Utilities Great Gutter Estuarine Water MORICAMBE PARK PS 02540 1 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. 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.