Skip to content
logo
MENUMENU
  • logo
  • About us
        • About us
        • Contact Us
        • Jobs & Volunteer Positions
        • Our Funders
        • Equality, diversity and inclusion
        • Trustees
  • What we do
        • What we do
        • Improving Rivers
          • Backwater restoration in the Maidenhead to Teddington catchment
          • Bathing waters – Reclaim Our Rivers
          • Cator Park, London Borough of Bromley
          • Catchment Partnerships
          • Chinbrook Meadows Wetlands
          • Community Action for the Cut
          • Community Modelling
          • Dollis Brook toe board removal – A river restoration project
          • Enforcement Undertakings
          • Greenwich Natural Flood Management (NFM) Project
          • Marsh Dykes & Thamesmead Catchment Improvement Project
          • Goresbrook Living Landscapes – Uncovering Parsloes Park’s Buried Brook
          • Oxford Rivers Project
          • Quaggy Habitats – Capel Manor Project
          • Queensmead Recreation Ground, London Borough of Bromley
          • Rewilding the Rom
          • River Beck Restoration
          • River Biodiversity Net Gain Units
          • Road run-off
          • Roding Weir Removal Project
          • South Essex Catchment Partnership
          • Thamesmead – Gallions Lake and Butts Canal Restoration
          • The River Ravensbourne and Glassmill Pond
          • Trees for rivers: a new woodland for London
        • Connecting Communities
          • Beckenham Place Park River Ravensbourne Volunteering Programme
          • Become a Citizen Scientist
          • Building Resilience in Communities (BRIC)
          • Chestnuts Field
          • EMPOWER Rivers
          • Harrow Partnership
          • Hounslow SuDS project
          • Plastics Action: connecting local groups and upscaling river clean-up work
          • Plasticblitz
          • Plastic Free Mersey – Plastics litter has no place in the natural environment
          • Plastic Pollution in the Tidal Thames
          • Action for Silk Stream
          • Thames Connections
          • Thames River Watch
          • The Roding Rises
        • Education and Training
          • Leading Action for Healthy Rivers: Thames21’s flagship training course
          • Outdoor Learning at the Welsh Harp Environmental Education Centre
          • Citizen Science
  • What you can do
        • What you can do
        • What's on
        • Corporate partnerships
        • Corporate Team Days
        • Protect Rivers
          • Get Trained
            • Learn how to Lead a Waterway Event
          • Become a Citizen Scientist
          • Form a River Action Group
        • Join A Campaign
          • Past Campaigns
            • London Rivers Week 2023
            • Taking action against plastic in wet wipes to protect our rivers
            • In The Drink: tackling plastic cups
            • The Great River Rescue
        • Support Us
  • What's on
  • News & media
        • News & media
        • Latest news
        • Blog
        • In the Media
        • Sign up to our e-newsletter
        • Media enquiries
        • Publications
  • London Rivers Week 2025
  • Five Year Plan
  • Donate now

sewage

Thames21 raises alarm about river sewage crisis

Thames21 helped raise the alarm about the UK’s river sewage pollution crisis last week – by contributing to a hard-hitting BBC documentary. Thames21 opened last…

Published 19th April 202119th April 2021 Published in Latest news, Thames 21

Regatta London cancellation highlights pressures facing the river Thames

Adverse weather conditions forced Regatta London organisers last week to cancel the UK’s first mass paddlesports event, meant to take place last Sunday 29 September….

Published 3rd October 2019 Published in Latest news

Wetland project we worked on celebrated in international documentary

Firs Farm wetland in Enfield is the focus of a documentary investigating how cities are tackling the issue of flooding worldwide.  The PBS series, Sinking…

Published 17th January 201924th January 2019 Published in Latest news, Thames 21

Thames21 rewilds one of UK’s most polluted waterways

Thames21 staff and volunteers will install nearly 300 square metres of floating reedbed into London’s second river, the Lea, this autumn. Reedbeds will be created…

Published 5th September 20185th September 2018 Published in Latest news

New Fighting Fund for rivers thanks to Thames21 supporters

Thames21 has raised £2,145 in its recent Crowdfunder towards our Fighting Fund to protect rivers. Sixty two of our supporters donated over 56 days. Our chief…

Published 15th August 201815th August 2018 Published in Latest news

New wetlands proposed to transform river health in North London

Thirty four sites suitable for new constructed wetlands and SuDS (Sustainable Urban Drainage Systems) have been identified by communities in north London, with the potential…

Published 27th July 201830th July 2018 Published in Latest news
Food wrappers – the hidden microplastic!

Food wrappers – the hidden microplastic!

Sewage, microplastics and food packaging are among the top culprits impacting the Thames according to new findings from our Thames River Watch. Thanks to this new…

Published 13th July 201621st July 2016 Published in Latest news
River of Death, why fish died in the River Lea, and what can be done

River of Death, why fish died in the River Lea, and what can be done

Thousands of fish died in the River Lea last week after rain washed the accumulated pollution from East London’s roads into the river. The River Lea…

Published 27th July 201319th November 2015 Published in Blog, Latest news, Love the Lea, Sewage pollution, Sustainable drainage
The road to river destruction is paved

The road to river destruction is paved

It is changes like this that see our rivers damaged; the gradual but ultimately large-scale loss of small green spaces like front gardens. While urban…

Published 26th June 201319th November 2015 Published in Blog, Love the Lea, Sewage pollution, Sustainable drainage
Saving North East London’s rivers

Saving North East London’s rivers

These are exciting times for river friendly drainage. Our project to clean polluted water before it enters the Salmons Brook in Enfield is identifying sites,…

Published 2nd February 201330th April 2013 Published in Blog, Latest news, Love the Lea, Sewage pollution

Latest News

  • Thames21 and the River Roding Trust launch water quality monitoring project on the lower Roding
    Environmental charity Thames21 and the River Roding Trust are working together on a groundbreaking programme to identify, test and fix the most damaging sewage and road run-off outfalls on a...
  • Events Diary

    Upcoming Events

    There are no upcoming events.

    Follow Us

    Follow us on Facebook
    Follow us on Twitter
    Follow us on Instagram

    Donate

    Donate now

    Thames21
    THAMES21

    Address

    Main Office location (& deliveries)

    The City of London,
    Guildhall,
    Aldermanbury Street,
    LONDON EC2V 7HH

    Postal Address

    The City of London,
    Guildhall,
    PO Box 270,
    LONDON EC2P 2EJ

    Contact us

    Other addresses

    Satellite Office: 

    The Lock Office, Bow Locks, Navigation Road (off Gillender Street), LONDON E3 3JY

    Contact us
    Welsh Harp Environmental Education Centre:

    Birchen Grove, LONDON NW9 8RY

    Contact us


    Registered Charity number: 1103997

    • Home
    • Get Involved
    • Support Us
    • Privacy Policy