It's a Dirty Business

Watch Channel 4's documentary about the state of the water industry, then sign the petition to bring water back to public ownership.

Romsey and Southampton North - Live Sewage

Polluted by sewage 6,457 hours in 2026 so far..

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

Which Year?

Select Another Constituency

Select the constituency from the drop-down
✔ means we have live data (𝑥 if not)

View Annual Sewage Data

You're looking at the totals that we have calculated for sewage in Romsey and Southampton North so far for 2026. It is an estimate, based on very poor quality live data from the Water Companies. The water companies report their sewage to the Environment Agency every year in April. You can see the last reported year in the other page

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.

Take Action

Your local MP is Caroline Nokes (Conservative) - Find out more about their interests, donors, and voting at They Work For You

Share this page, post a message, and tell others about the huge problem of sewage pollution across the UK
Post
Post

Constituencies near Romsey and Southampton North

Daily Data

Jan - 1,667 hours
Feb - 3,183 hours
Mar - 1,149 hours
Apr - 402 hours
May - 54 hours
Jun - 0 hours
Jul - 0 hours
Aug - 0 hours
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!
We need your support!

Please consider a one-off or small recurring donation. We need your help to keep this site going.

Donate Now

Totals so far

Company Site Name Receiving Waterway Overflow Days Total Duration (hours) Offline/Potential Pollution
Southern Water KINGS SOMBORNE SSO - 115725 River Test 123 2,060h 50m -
Southern Water WEST WELLOW SSO - 115727 River Blackwater 59 1,295h 36m -
Southern Water ROMSEY SSO - 115431 River Test 40 842h 47m -
Southern Water CHILBOLTON SSO - 115879 River Test 42 808h 10m -
Southern Water STOCKBRIDGE SSO - 115752 Marshcourt River 41 692h 53m -
Southern Water WELLOW MILL BLACKHILL CEO - 108499 River Blackwater 37 455h 20m -
Southern Water KINGS SOMBORNE CEO - 115989 River Test 11 135h 32m -
Southern Water GREEN LANE CHILWORTH CEO - 108785 River Itchen 12 85h 54m -
Southern Water RINGWOOD DRIVE NORTH BADDESLEY CEO - 109515 Unnamed Of River Test 12 55h 34m -
Southern Water THE HUNDRED ROMSEY CSO - 110233 Tadburn Lake 2 14h 32m -
Southern Water TRAFALGAR WAY STOCKBRIDGE CEO - 108500 River Test 1 5h 52m -
Southern Water BOTLEY ROAD NORTH BADDESLEY CEO - 108398 Tadburn Lake 1 4h 4m -
Southern Water MEMORIAL PARK ROMSEY CEO - 110235 River Test 1 0h -
Southern Water KINGS SOMBORNE CEO - 115989 River Test 0 0h -
Southern Water Unknown Unknown 0 0h -
Southern Water WESSEX LANE SOUTHAMPTON OUTSIDE 15 CSO - 108495 Saline Estuary 0 0h -
Southern Water ROMSEY SSO - 115431 River Test 0 0h -
Southern Water WESSEX LANE SOUTHAMPTON OUTSIDE 11 CSO - 108496 Saline Estuary 0 0h -
Southern Water WESSEX LANE SOUTHAMPTON OUTSIDE X CSO - 108497 Saline Estuary 0 0h -
Southern Water HOUGHTON ROAD STOCKBRIDGE CEO - 108487 River Test 0 0h -
Southern Water MEMORIAL PARK ROMSEY CEO - 110235 River Test 0 0h -
Southern Water FULLERTON SSO - 115765 River Test 0 0h -
Southern Water FULLERTON SSO - 115765 River Test 0 0h -
Southern Water WELLOW MILL BLACKHILL CEO - 108499 River Blackwater 0 0h -
Southern Water Unknown Unknown 0 0h -
Southern Water KINGS SOMBORNE SSO - 115725 River Test 0 0h -
Southern Water STOCKBRIDGE SSO - 115752 Marshcourt River 0 0h -
Southern Water TRAFALGAR WAY STOCKBRIDGE CEO - 108500 River Test 0 0h -
Southern Water Unknown Unknown 0 0h -
Southern Water WEST WELLOW SSO - 115727 River Blackwater 0 0h -
Southern Water RINGWOOD DRIVE NORTH BADDESLEY CEO - 109515 Unnamed Of River Test 0 0h -
Southern Water CHILBOLTON SSO - 115879 River Test 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

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.

Top of the Poops

Analysing sewage pollution by the Water Industry

Follow on Instagram

Media Queries

Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

Please Support Us

We rely on donations to fund our work. Please support us if you can
Yes! Support TOTP!

© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© 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

Some data reproduced under Open Government Licence

Please don't scrape these pages - we can maybe share our data with you

Full Copyright information available at: our GitHub page