Activity Description: In the lead up to World Rivers Day on the 22nd September why not take part in a river clean-up to remove litter from the river and banks.
Rubbish in our rivers is a big problem. Not only is it unsightly, it also has a huge environmental impact; harming wildlife and leaking chemicals and pollutants into the water. If it’s not picked up, it often makes its way into our oceans where it is estimated it will persist for hundreds of years, damaging marine ecosystems and even ending up in our food chain as micro-plastics.
This is a fantastic opportunity to help restore your local river for the benefit of nature and to meet new people!
The river clean-up activity can be done from the banks or in the water, wearing waders. The activity will be supervised by SERT staff and we will provide all the equipment you will need. The activity is suitable for under 16s if they are accompanied by an adult. 16-18 year old’s will need to be accompanied or have written parental consent to take part (please email volunteering@southeastriverstrust.org for more info). No under 14s will be able to enter the water.
Meeting point: The SERT Information Stall outside the Maidenbower Community Centre, Crawley RH10 7QH. Google map HERE
What to Bring:
– Your own gardening gloves, if you prefer (note, they will likely get wet!) and your own boots/waders, though they would have to be steel toed for safety.
– Your own lunch
– Plenty of water, flask etc
– Appropriate outdoor clothing, extra layers and waterproofs
Booking: please RSVP using the button below and complete the form to secure your spot. If the event is already fully booked then please sign yourself up to the waiting list and we’ll be in touch if a space becomes available. There will also be some spaces available on the day.
Booking for this event will close at 5pm on Sunday 15th September 2024.
All tools and equipment, inc. steel toed waders and gloves will be provided. Refreshments will be provided but do bring your own travel cup if you have one.
To read our Health and Safety Guidelines for this event please click HERE.
Photos and video footage will be taken at this event and used by the Trust for promotional purposes (including but not limited to printed materials, social media, newsletters and the website) and potentially shared with our external partners and funders. From time to time, external media agencies could also take photos, film or record our events.
The Trust’s lawful basis for processing this is “Legitimate Interests” under the General Data Protection Regulations. As an individual you have rights. If you wish for SERT to stop processing this data for you, please talk to a member of staff or email info@southeastriverstrust.org.
To read our Privacy Policy and see how we use and look after the information you provide when booking your spot at our events please click HERE.
We recently welcomed the Secretary of State for Environment, Food and Rural Affairs Steve Reed MP, the Chairman of the Environment Agency Alan Lovell, and DEFRA Director of Water Sebastian Catovsky to our Chamber Mead wetlands. During their visit, the South East Rivers Trust team highlighted the multiple benefits of working with nature to tackle river pollution and other environmental issues.
Promoting Nature-Based Solutions
During the visit, we explained how nature-based solutions significantly reduce river pollution. Moreover, we found the new Government’s interest in these innovative approaches encouraging. To help our rivers recover more widely, we emphasised the need for the Government’s support to rapidly scale up these projects.
Dr. Bella Davies, CEO South East Rivers Trust, said:“We are delighted to host the Secretary of State at the Chamber Mead wetland today. The wetland tackles sewage and urban road runoff pollution before it enters the Hogsmill River, which is a rare chalk stream, one of around 220 in the world, supporting a unique set of species dependent on the chalk-purified water. We are glad that the new Government sees the wide benefits of nature-based solutions and we urge them to take action to break down barriers to these kinds of projects and support organisations such as ours to deliver more at scale in the future.”
Governments Commitment to Water Quality
We’re pleased to hear that the new Government acknowledge the importance of improving water quality, which was highlighted in the King’s Speech, with plans for water industry reform. However, we emphasised the need for ambitious action on agricultural pollution, road run-off, and over-abstraction. We delivered this message directly to Steve Reed MP during his visit.
Exploring Chamber Mead Wetland
Steve Reed MP toured the Chamber Mead wetland with Rivers Trust CEO Mark Lloyd and SERT CEO Dr. Bella Davies. Alan Lovell, Chair of the Environment Agency, and Sebastian Catovsky, DEFRA Director of Floods and Water, also joined the visit. Chamber Mead demonstrates how nature-based solutions can vastly improve our waterways and combat river pollution. We have redirected the water from the Green Lanes Stream through a sediment trap and two wetlands instead of letting it run straight into the Hogsmill River. At the other end, we connected the wetland to the Hogsmill River downstream of the stepping stones. As they develop, the wetlands will provide diverse habitats and amenities to the Hogsmill Local Nature Reserve and improve water quality for a 200-metre section of this rare chalk stream.
The Chamber Mead wetlands help conserve the Hogsmill River, a rare chalk stream. This project cleans 250 million litres of water through natural systems, effectively combating pollution. The wetlands are part of a broader partnership between the Rivers Trust and The Coca-Cola Foundation.
Looking Ahead
The visit underscored the importance of these projects and the need for continued support. With the backing of the Government and our partners, we can achieve significant progress in restoring and protecting our rivers.
For more information on our projects and how you can get involved, visit the South East Rivers Trust website. Join us in making a difference for rivers across the South East.
We’re calling on you to join the #VoteforRivers campaign run by the Rivers Trust in the lead-up to the General Election on Thursday 4th July.
This is your chance to use the power we have as voters to advocate for nature restoration and to take this vital opportunity to speak up for healthy rivers.
We’ve set out asks under five headings, whether you plan to seek answers from candidates who come knocking on the door, question them at local hustings or want to write to them.
You can find the candidates running in your area using The Electoral Commissionand download the letter to write to them, or have the asks handy when meeting candidates in person.
We want you to ask the new Government to:
1. Prioritise nature recovery – make nature-based solutions like trees and wetlands to improve the environment and tackle climate change as first choice, rather than relying on chemicals and concrete.
For example, we at the South East Rivers Trust have just completed Chamber Mead wetlands in Ewell, Surrey, which diverts road runoff away from the River Hogsmill. Plants being established there will also bring huge biodiversity benefits to the Hogsmill Local Nature Reserve.
We are working on restoring water voles, eels and trout via our WET Hogsmill project, we have restored a section of the River Blackwater in Hampshire and the Wandle in Morden Hall Park with woody debris and by adding gravel.
2. Improve our understanding of rivers – support better data and evidence to improve regulatory monitoring and recognise the value of citizen science alongside it.
Through our work engaging the public and encouraging them to take part in citizen science, we collect data on the health of our rivers. Examples include training volunteers to:
Discover how much misconnected plumbing is in our rivers through our Outfall Safari work
Carry out riverfly monitoring to judge the health of rivers and whether there has been pollution, by finding invertebrates
3. Support education and engagement about rivers – No one will protect what they don’t know about or understand – and what they have not experienced. So we need the Government to support education about the environment and rivers at all levels.
The South East Rivers Trust has an extensive education programme
The South East Rivers Trust has programmes supporting education of primary school children and community groups across London catchments and the River Mole.
Our events also demonstrate the value of our work through walks and talks across a wide range of topics and we take part in awareness campaigns such as London Rivers Week.
4. Make polluters pay – drive strong enforcement of those who pollute to turn the tide on the abuse of our rivers.
We have recently supported a campaign to clear Hoad’s Wood in Ashford of fly-tipping. After a petition, the Government has now issued a clean-up edict which will cost the taxpayer huge sums. Nobody has yet been traced to pay for the clean-up.
5. Manage land with water in mind – empower collaborative working that gets everyone involved in restoring our rivers.
Leaky wooden dams are a nature-based solution used by SERT on the River Beult among other places
At the South East Rivers Trust we lead several catchment partnerships across 12 river catchments. These work collaboratively with many other organisations and individuals to bring rivers back to life. They need investment and funding to do so.
Our Holistic Water for Horticulture project also works with food growers in Kent and the South East to ensure water efficiency and resilience in the process of getting food from farm to fork.
This is part of the work of our Water and Land Stewardship team, which has worked closely with farmers on the River Beult in Kent on nature-based solutions to retain water and enhance biodiversity, for the benefit of wildlife and people. We are involved in national pilots for Environmental Land Management Schemes, funded by Government, working with farms to manage land in sustainable ways.
For example, we are working with farmers and landowners and other environment NGOs on the River Darent catchment to implement a radical, large-scale approach to delivering climate benefits – starting with rivers.
Here are some questions you can ask your candidates
How will you and your party tackle all types of pollution in our rivers? Sewage is not the only issue; farming and road runoff pollution are also devastating our rivers.
Will your party boost funding for regulators and strengthen enforcement so polluters are made to pay for their pollution?
How will your party work with nature to improve river health and tackle climate change?
How will your party open up rivers and blue spaces in our towns and cities for health and wellbeing?
How will your party support farmers and businesses manage their land sustainably for water?
No matter where you live across our 12 catchments, there is a river near you. Find our river using our map, using your postcode. There a hundreds of candidates standing for constituencies from Berkshire through Hampshire, Surrey, Sussex, Kent and south London who want your vote – so press them on the hot topics!
If you are writing to your candidates, you could use or adapt the Rivers Trust’s template, by copying and pasting the information below or adding in your own asks on rivers. Don’t forget you can source candidate details via The Electoral Commission.
Dear [Candidate name],
I will be voting for rivers in the General Election on 4th July 2024 and, as a local resident and voter, need to know how you intend to stand up for our waterways.
The Rivers Trust’s State of Our Rivers Report 2024 lays bare the dire health of our waterways, which are facing devastating levels of pollution, swinging between extremes of flood and drought, and experiencing shocking drops in biodiversity:
0% of stretches of river in England are in good or high overall health.
This is not breaking news – the issues faced by our rivers have been hitting the headlines for years and causing widespread public outcry. Yet not enough is being done to restore or protect our waterways.
Healthy rivers should be a priority for the next Government. From re-wiggling rivers, restoring floodplains, and greening our urban spaces, restoring our rivers means securing community resilience, a future for wildlife, and action for climate.
This is why I am supporting The Rivers Trust’s asks for political candidates and parties:
Prioritise nature recovery – make nature-based solutions like trees and wetlands to improve the environment and tackle climate change first choice, rather than relying on chemicals and concrete.
Improve our understanding of rivers – support better data and evidence to improve regulatory monitoring and recognise the value of citizen science alongside it.
Support education about rivers – no one will understand or care about what they haven’t experienced. Outdoor learning is key to nurturing a lifelong love of rivers.
Make polluters pay – drive strong enforcement of those who pollute to turn the tide on the abuse of our rivers.
Manage land with water in mind – empower collaborative working that gets everyone involved in restoring our rivers.
Please let me know what actions you and your party intend to take to deliver the asks above and restore the health of our waterways.
I look forward to hearing from you and, if possible, please copy info@theriverstrust.org in your reply.
Volunteers are now collecting vital data about the health of the River Mole, after being given water quality testing kits as part of our Mending the Upper Mole project.
We are thrilled to have teamed up with River Mole River Watch, a local charity group which shares our aim to bring the river back to life for wildlife and people to enjoy.
Lewis briefs the volunteers on how to use the kits to test for pollution on the River Mole
Having picked up their kits this week, the citizen scientists will now be carrying out monthly tests for the next two years, to give us a baseline of pollutants. The volunteers will be measuring 10 aspects of river health, including levels of phosphate, ammonia, nitrate, conductivity, pH for acidity and temperature. All of this data is crucial to help us understand how to improve the river.
Lewis Campbell, SERT’s Catchment Manager in charge of the Mending the Upper Mole project, said: “It is fantastic to have a group of volunteers who want to get into the nitty gritty of looking after their local river by carrying out water quality tests to assess pollution levels. We know River Mole River Watch play an active part in caring for their stretch of river and it is brilliant to team up with them as they do so.
“The volunteers will be helping the Mending the Upper Mole project to assess the health of this section of river in a way that has not been done before. The results will allow us to highlight hotspots of pollution, helping the catchment partnership to implement strategies to combat pollution and help the catchment thrive. We have already added gravels to the river at Maidenbower to help fish and we are working on a number of other projects to improve the waterway for wildlife.”
Simon Collins, one of the Trustees of River Mole River Watch, said: “Our fantastic River Mole River Watch volunteers have been collecting water quality test data across the whole catchment every month for a year. Partnering with SERT has been very helpful indeed and we are excited by the Mending the Upper Mole project as it focusses on water quality and pollution in the Upper Mole which is a particularly sensitive part of the river catchment area. More data will help to identify hot spots and areas we can work with SERT to improve.”
The River Mole catchment partnership is co-hosted between SERT and Surrey Wildlife Trust and the vision is set out on the river network’s Storymap website. The Water Framework Directive status for the water quality in the area being assessed is rated “poor”. The area being measured starts close to the source of the Stanford Brook and encompasses much of the Gatwick Stream.
So what are we measuring and why?
The water quality testing kits that will be used by volunteers
Self-contained testing kits will allow volunteers to monitor levels of chemicals such as phosphates and nitrates. High levels of both nutrients lead to algae growing in the water, depleting oxygen levels and obstructing light making the river unsuitable habitat for other wildlife. High phosphate readings would indicate pollution has likely occurred from untreated sewage – or domestic, misconnected plumbing that bypasses sewage treatment works and goes straight into rivers form surface water drains, known as outfalls.
Another chemical tested for will be ammonia, high levels of which would suggest pollution is coming from either sewage or agriculture. Conductivity measurements will also be taken to identify the presence of salts and heavy metals, indicators of road run-off washed into the river. A temperature reading will also be taken and higher readings are likely to be an indication of spillages from outfalls.
Volunteers from River Mole River Watch receive water quality testing kits to test for pollution
Do you see pollution in the Beverley Brook and want to do something about it? Did you know that misconnected household plumbing is sending sewage water straight into our precious waterways?
Rivers should be healthy spaces for wildlife and places people can enjoy, but they are plagued by pollution – some of it coming straight from our homes.
This spring, you can become a citizen scientist and help us identify, map and assess polluted outfalls along the river, which rises in Cuddington Park, Stoneleigh, and passes through New Malden, Wimbledon Common and Richmond Park. This is all in partnership with Zoological Society of London (ZSL) for the latest round of their Outfall Safari programme.
A polluted drain spills into a river
Solving the problem of misconnections
Our drainage network is serviced by two systems. One collects rainwater and flows directly into rivers. The other takes foul wastewater from buildings to sewage treatment works to be cleaned first.
When appliances such as washing machines, sinks or toilets are incorrectly connected into the rainwater drainage system, this pollution spills directly into rivers. Signs of these plumbing misconnections can be as obvious as detergents or waste from toilets appearing in the water. These misconnections can become a chronic source of pollution with serious impacts on water quality and wildlife.
In 2016, ZSL created a method to survey London’s rivers to identify and report polluting drains. Before then, the scale of the issue was completely unknown. Now the method is used nationwide.
The results from volunteer surveys are reported via an App to the Environment Agency and Thames Water. The water company then addresses the misconnected plumbing with property owners or local councils.
What difference has it made?
Volunteers will learn to understand and identify pollution from drains on the Pyl Brook
Outfall Safaris on the Beverley Brook were last conducted in 2019. Then, 57 out of 196 drains (29%) were found to be spilling pollution into the nine miles of river which includes the East Pyl and Pyl Brook tributaries.
Emma Broadbent, Volunteer and Engagement Officer at the South East Rivers Trust, said: “We’re excited to be focusing on the Beverley Brook, because last time our volunteers surveyed the river they found a high number of polluting outfalls. We are eager to find out what the situation is now, five years on.
“We know from the work on other rivers that Outfall Safaris really work. Last year, we surveyed the Wandle, finding just nine polluting outfalls from 135 drains, compared to 2019 when we found 16 that were polluting the river. Signing up to take part is a valuable way for any river lover to make a difference.”
During training, participants will gain an overview of water quality issues in the catchment, learn how outfalls become polluted and will be given full instructions on how to assess them and report them via bankside surveys. There is no need to enter the water.
How do you get involved?
Training takes place on Wednesday 20th March from 1.30pm to 3.30pm at Worcester Park Library, Stone Place, Windsor Road, Worcester Park, KT4 8ES. Sign up here.
Participants must be aged 18 or over, attend the training in person and be able to commit to carrying out the Outfall Safaris in March and April. Specifically, you will need to be able to conduct surveys during dry periods, at least 48 hours after wet weather. This is to ensure any pollution is not masked or diluted by rainwater drainage.
A new online tool has been launched this week to help tackle road runoff pollution in London’s rivers by highlighting the best places to install nature-based solutions such as wetlands.
The development of the first-of-its-kind tool by Thames21 builds on years of research by the environmental charity and its partners Middlesex University and the South East Rivers Trust, which contributed with mapping, scoping and reporting.
Pollution from our roads adds to a number of problems for our rivers coming from sewer overflows, litter and misconnected drains. However it is often the Cinderella of pollution topics, because it receives far less public attention than sewage or agricultural causes.
Research from the Rivers Trust shows that the UK’s 1,600 rivers are affected by a cocktail of chemicals that are speeding up aquatic nature-loss, affecting insects, birds and mammals.
Road runoff goes straight to rivers
Road runoff can contain residue from oil spills, as well as tyre and brake wear from vehicles. These build up during dry weather and are then washed into rivers and streams when it rains.
The new tool will help decision makers prioritise the right water quality improvements:
in greenspaces that lie between the road and the river
at road locations in Outer London where surface water drains to the rivers; and
on London’s main strategic road network (includes Transport for London’s roads and some sections of National Highways’ and local authority roads)
Thames21 started its initial road runoff project identifying key polluting roads in 2019, with funding from the Mayor of London, Transport for London, and the Environment Agency. The British Geological Survey built the online decision support tool ‘Road Pollution Solutions’ and provided some additional support through the UKRI NERC-funded CAMELLIA project.
The South East Rivers Trust contributed research on sites in South London, including Surbiton, using its GIS mapping technology and catchment-based approach, identifying places where solutions such as wetlands could be built to counter the pollutants. By providing a natural barrier and filter using nature-based solutions, some of this road runoff pollution can be captured and prevented from entering rivers in the first place.
Users of the tool can search different boroughs, pinpoint particular areas and see just how polluting they are. This will help to prioritise where solutions could be put in place as mitigation. The tool shows the location of rivers, sewage outfalls and areas that drain into waterways.
An example of how the road runoff solutions user guide works
Modelling has shown that 2,415 road sections covering a total of 451.43km of London’s roads assessed pose a high risk of causing road runoff and are therefore a priority. Roads where heavy goods vehicles regularly apply their brakes are often the worst affected.
Community groups can also easily see pollution hotspots and help to suggest solutions by working for example with the authorities or through catchment partnerships.
The tool – which extends to all outer London boroughs – allows uses to access data by boroughs or river catchment and includes the Wandle, Beverley Brook, Hogsmill, Upper Darent, Lower Cray and Upper Cray.
Working in partnership, authorities responsible for these roads could intervene by providing nature-based solutions in these areas to help make runoff cleaner, and improve water quality in local rivers and watercourses.
Find out how the tool works by reading the user guide.
The South East Rivers Trust notes today’s judgement at Lewes Crown Court that Thames Water has been fined £3.3million for polluting a section of the River Mole near Gatwick Airport on October 11, 2017.
About 1,400 fish were killed in the incident on the River Mole between Crawley in Sussex and Horley in Surrey.
In a statement, SERT said:
“There is no excuse for polluting rivers which are the lifeblood of our landscapes. This incident decimated fish populations on the Gatwick Stream and impacted the ecology of the river far beyond into the catchment of the River Mole.
“Six years after this pollution incident the river and local angling club are still suffering.
“We welcome Thames Water’s fine, while hoping it would have been higher.
“We are furious to hear the Judge’s conclusion that Thames Water attempted to mislead the regulator.
“They have asked to work with us to help repair the damage by providing £1m in the form of a voluntary reparation to help improve the river’s habitat and water quality that is so important to the local community.”
SERT is already using the voluntary reparation to improve the health and resilience of the Gatwick Stream and other waterways impacted by this pollution event.
The money is being used to fund projects, such as the Caring for Crawley’s Rivers project, that improve the quality of the river habitat, identify and remedy systematic water quality issues in the catchment, and engage local communities in the health of their rivers, including carrying out education sessions.
SERT will also be working to gather data and evidence to support the development and deployment of these remediation projects and to monitor their success.
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