Routes of culverted streams to outfalls into the River Pool at Bell Green London SE26

Julia Webb made this Environmental Information Regulations request to Thames Water
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The request was successful.

Dear Thames Water,

Please can you provide me with details of how underground culverted streams discharge into the River Pool at Bell Green? Tributaries such as Adams Rill can be heard running below the access hatches of culverts, taking them towards the River, yet they have no obvious outfall. I would be grateful for any plans, maps, or documentation that you possess that clarify the land drainage system.

Yours faithfully,

Julia Webb

EIR Requests, Thames Water

Thank you for contacting Thames Water.  This inbox is for EIR requests
which we aim to respond to within 20 working days.  We may contact you
with any questions we have on your request and if we are unable to
complete your request within 20 days, we will contact you to agree a new
timescale.

 

If you wish to contact us in the meantime, please email
[Thames Water request email]  and make sure you refer to your original
request.

Visit us online www.thameswater.co.uk , follow us on twitter
www.twitter.com/thameswater or find us on www.facebook.com/thameswater.
We’re happy to help you 24/7.

Thames Water Limited (company number 2366623) and Thames Water Utilities
Limited (company number 2366661) are companies registered in England and
Wales, both are registered at Clearwater Court, Vastern Road, Reading,
Berkshire RG1 8DB. This email is confidential and is intended only for the
use of the person it was sent to. Any views or opinions in this email are
those of the author and don’t necessarily represent those of Thames Water
Limited or its subsidiaries. If you aren’t the intended recipient of this
email, please don’t copy, use, forward or disclose its contents to any
other person – please destroy and delete the message and any attachments
from your system.

EIR Requests, Thames Water

2 Attachments

Thames Water Utilities Limited
EIR Requests
Clearwater Court
Vastern Road
Reading
Berkshire
RG1 8DB

Email: [1][email address

19 May 2022

Our Ref: EIR-22-23-039

Environmental Information Regulation (EIR) Request
Dear Ms Webb

 

Thank you for your e-mail dated 5 May 2022.  Please see our response below
to your request as set out in your e-mail.

 

Your Request

 

Please can you provide me with details of how underground culverted
streams discharge into the River Pool at Bell Green? Tributaries such as
Adams Rill can be heard running below the access hatches of culverts,
taking them towards the river, yet they have no obvious outfall. I would
be grateful for any plans, maps, or documentation that you possess that
clarify the land drainage system.

 

Our Response

 

We as a company do not hold all data on drainage assets in an area, only
data that pertains to assets we own and/or maintain, these will be sewers
with drainage from homes (foul and/or surface water), we do not own or
maintain land drainage assets. As such we can only supply you with
information on our own assets. If you wish further information on other
drainage that might be present in the area you could contact the council
regarding their historic records for drainage in the area.

 

Through the course of London’s development since the Victorian period,
many previous watercourses were used as the initial sewer system through
culverting and diverting to wastewater treatment works. So many of our
current combined sewers are believed to have been originally watercourses.

 

In relation to your specific query, we have identified that our trunk
sewer could potentially be an original culverted watercourse. This is a
combined sewer that travels to our wastewater treatment works and
therefore does not outfall into the river (see sewer crossing river
below).

 

 

Aside from this asset we have no assets in the area where I believe Adams
Rill lost river is believed to flow, and therefore no associated outfalls.

 

 

This part of the wastewater catchment has both foul, combined and surface
water sewers, so we do have surface water outfall sewers in this area that
discharge to the Pool River. These are spread along the length of the
river.

 

Disclaimer

The information provided with this letter is taken from the information we
hold on our records as at the date indicated. We cannot guarantee the
accuracy of this information and it should not be relied on for any
purpose.

 

Retention

Please note that we will also retain a record of your request to allow us
to evidence our compliance with the law relating to EIR.

 

Charging

Although in accordance with our published charging regime, we are able to
charge fees/costs for dealing with requests under EIR, on this occasion,
we have chosen not to do so. We reserve the right to charge in accordance
with the fees published on our website for any requests, now or in the
future.

 

For more information about our interim charges scheme please click
[2]here  (please note that you will need to use an up to date web browser
and that the web pages will not support access by an older browser, such
as Internet Explorer).

 

Should you have any questions, please don’t hesitate to contact me.

 

Internal Review

If you are dissatisfied with the handling of your request, you have the
right to ask for an internal review.  Internal review requests should be
submitted within three months of the date of receipt of this response and
should be addressed to the Environmental Information Requests Manager and
emailed to [3][email address]

 

If you are dissatisfied with the outcome of the internal review, you can
apply, without charge, to the Information Commissioner, who will consider
whether Thames Water has complied with its obligations under the EIR, and
can require Thames Water to remedy any problems. You can find out more
about how to do this, and about the EIR in general, on the Information
Commissioner’s website at: [4]www.ico.org.uk. 

 

Yours sincerely

 

Paul

 

Paul Bridgens

Data Protection Advisor

Data Protection Investigations

 

 

 

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Dear EIR Requests,
In order to clarify your response, please can you give me a map showing the line of this trunk sewer? That will allow me to check whether it corresponds with the route of the Adams Rill stream.

In light of the current issues of overloaded sewer systems discharging raw sewage into rivers, what is Thames Water doing to rectify this particular situation?

Yours sincerely,

Julia Webb

EIR Requests, Thames Water

Thank you for contacting Thames Water.  This inbox is for EIR requests
which we aim to respond to within 20 working days.  We may contact you
with any questions we have on your request and if we are unable to
complete your request within 20 days, we will contact you to agree a new
timescale.

 

If you wish to contact us in the meantime, please email
[Thames Water request email]  and make sure you refer to your original
request.

Visit us online www.thameswater.co.uk , follow us on twitter
www.twitter.com/thameswater or find us on www.facebook.com/thameswater.
We’re happy to help you 24/7.

Thames Water Limited (company number 2366623) and Thames Water Utilities
Limited (company number 2366661) are companies registered in England and
Wales, both are registered at Clearwater Court, Vastern Road, Reading,
Berkshire RG1 8DB. This email is confidential and is intended only for the
use of the person it was sent to. Any views or opinions in this email are
those of the author and don’t necessarily represent those of Thames Water
Limited or its subsidiaries. If you aren’t the intended recipient of this
email, please don’t copy, use, forward or disclose its contents to any
other person – please destroy and delete the message and any attachments
from your system.

EIR Requests, Thames Water

2 Attachments

Thames Water Utilities Limited
EIR Requests
Clearwater Court
Vastern Road
Reading
Berkshire
RG1 8DB

Email: [email address]

21 June 2022

Our Ref: EIR-22-23-057

Environmental Information Regulation (EIR) Request

Dear Ms Webb

Thank you for your e-mail dated 22 May 2022. Please see our response below to your request as set out in your e-mail.

Your Request

In order to clarify your response, please can you give me a map showing the line of this trunk sewer? That will allow me to check whether it corresponds with the route of the Adams Rill stream.

In light of the current issues of overloaded sewer systems discharging raw sewage into rivers, what is Thames Water doing to rectify this particular situation?

Our Response

Please see attached a map encompassing Bell Green and the area of interest (Sewers at Bell Green.pdf). As mentioned in our previous response, the trunk sewer could potentially be an original culverted watercourse and it currently crosses the river as shown in the map. Since it is a combined sewer that travels to our wastewater treatment works, it does not outfall into the river.

You may find interest in our recent River Health Action Plan which describes our approach in protecting our rivers. See attached: River Health Action Plan April 2022.pdf

Disclaimer
The information provided with this letter is taken from the information we hold on our records as at the date indicated. We cannot guarantee the accuracy of this information and it should not be relied on for any purpose.

Retention
Please note that we will also retain a record of your request to allow us to evidence our compliance with the law relating to EIR.

Charging
Although in accordance with our published charging regime, we are able to charge fees/costs for dealing with requests under EIR, on this occasion, we have chosen not to do so. We reserve the right to charge in accordance with the fees published on our website for any requests, now or in the future.

For more information about our interim charges scheme please click here (please note that you will need to use an up to date web browser and that the web pages will not support access by an older browser, such as Internet Explorer).

Should you have any questions, please don’t hesitate to contact me.

Internal Review
If you are dissatisfied with the handling of your request, you have the right to ask for an internal review. Internal review requests should be submitted within three months of the date of receipt of this response and should be addressed to the Environmental Information Requests Manager and emailed to [email address]

If you are dissatisfied with the outcome of the internal review, you can apply, without charge, to the Information Commissioner, who will consider whether Thames Water has complied with its obligations under the EIR, and can require Thames Water to remedy any problems. You can find out more about how to do this, and about the EIR in general, on the Information Commissioner’s website at: www.ico.org.uk.

Yours sincerely

Paul

Paul Bridgens
Data Protection Advisor
Data Protection Investigations

Attachment(s):

• Sewers at Bell Green.pdf
• River Health Action Plan April 2022 pdf

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