Water levels River Frays

Marrk Keir made this Rhyddid Gwybodaeth request to Environment Agency

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Roedd y cais yn llwyddiannus.

Dear Environment Agency,
On Monday 23rd August 2021 you received a complaint that water level in the River Frays running through Uxbridge had dropped dramatically from a normal 4' depth to just a couple inches. The complainant suggested that some abstraction up stream around Harefield might be the reason, but was assured the problem was downstream. The problem was dramatically fixed with water rising to normal levels over a matter of hours on Tuesday 24th August.

Can you please tell me, do you still think the problem was downstream, or have you reconsidered to an upstream solution?
Can you give me more detail as to what might have happened to cause such dramatic fluctuations?
Does this happen often in this area?
Does this represent a danger to water supplies, and if so who would be held responsible?

Thank you for your consideration.

Yours faithfully,

Marrk Keir

NET Enquiries, Environment Agency

9 Atodiad

Dear Marrk

 

Enquiry regarding: Water levels River Frays

 

Thank you for your enquiry which was received on 27 August 2021.

 

We respond to requests under the Freedom of Information Act 2000 and
Environmental Information Regulations 2004.

 

I apologise for the length of time taken to respond to your enquiry.

 

Attached is the incident report which explains the reason for the drop in
water levels. This was due to a flood defence structure failing to operate
correctly. The asset at Old Mill House is normally controlled
automatically, this failed causing the drop in water levels. This has now
been changed to being operated manually.  

 

There were two reports of the low flow and I have attached both incident
reports for reference. Please note we have redacted the reports to protect
individuals personal data. Please see the attached appendix for legal
details.

 

We also checked our data from our monitoring team to confirm that there
were no abstraction issues. They commented:

 

There are no licensed abstractions which could resulted in the sudden
change in water levels. The reported change in water levels does not
represent a direct implication for local water supplies.

 

Our monitoring database provides the following water level data

 

·        Uxbridge – Fountains Mill at TQ 05302 84492  

 

[1]cid:image001.jpg@01D7AFA4.C99C4CC0

·        Yiewsley at TQ 05782 80005

 

[2]cid:image002.jpg@01D7AFA4.C99C4CC0

 

The above tables clearly show the drop in water level. There appears to
have been a better recovery lower down the river system at Yiewsley. The
river joins the Colne at Drayton Point.

 

Please refer to [3]Open Government Licence which explains the permitted
use of this information.

 

Please get in touch if you have any further queries.  If you want us to
review the information we have sent, please contact us again within two
months from the date of this email.

 

Yours sincerely

 

James Hammett

Customers and Engagement Officer

Direct dial 0203 0259058

Direct email [4][email address]

 

Did you know that the Environment Agency publishes most of its data via
[5]www.data.gov.uk? Using this site, you can search for our data alongside
other environmental data providers from local authorites or from DEFRA
(the Department of the Environment, Fisheries and Rural Affairs).

 

Pronouns: he/him/his  ([6]why is this here?)

[7]cid:image003.jpg@01D3F1DD.E179AAF0

 

The Love Water campaign is raising awareness of how people, wildlife and
plants depend on a healthy water environment.

Find out more [8]www.water.org.uk/love-water

 

[9]cid:image002.jpg@01D55CE9.91398920

 

 

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From: National Requests
Sent: 03 September 2021 17:50
To: NET Enquiries <[email address]>
Subject: FW: Freedom of Information request - Water levels River Frays

 

One for you guys,

 

Jill Rhodes

NR Team                                        

 

 

From: Marrk Keir [[12]mailto:[FOI #786093 email]]
Sent: 27 August 2021 15:59
To: National Requests <[13][Environment Agency request email]>
Subject: Freedom of Information request - Water levels River Frays

 

One area

 

Dear Environment Agency,

On Monday 23rd August 2021 you received a complaint that water level in
the River Frays running through Uxbridge had dropped dramatically from a
normal 4' depth to just a couple inches.  The complainant suggested that
some abstraction up stream around Harefield might be the reason, but was
assured the problem was downstream.  The problem was dramatically fixed
with water rising to normal levels over a matter of hours on Tuesday 24th
August.

 

Can you please tell me, do you still think the problem was downstream, or
have you reconsidered to an upstream solution? 

Can you give me more detail as to what might have happened to cause such
dramatic fluctuations?

Does this happen often in this area?

Does this represent a danger to water supplies, and if so who would be
held responsible?

 

Thank you for your consideration.

 

Yours faithfully,

 

Marrk Keir

 

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