Amended 24/11/2010 You are here: Jubilee River Home
Page > Jubilee River - key facts
> The Jubilee River Story >
How to contact me >
Jubilee River guided tours
NEXT PAGE >
INDEX > ARCHIVE
The Jubilee River story - the dredging problem.
Extract from the -
LTFRMS Consultation Response document (295kB.pdf) Link to
Jubilee River story - LTFRMS
Due to the difficulties and expense of removing and
disposing of contaminated dredged material from the River it
[dredging] has been set aside
as an option under this Strategy.
Now dredging is a very sensitive issue with the Environment Agency
and I will not waste too many words on the subject.
When this area
flooded badly in 1947, the authorities put in place a procedure to improve
Thames flood water conveyance capacity. The specially designed dredgers,
operators and disposal facilities were then used continuously until the
Environment Agency took over from the National Rivers Authority in 1996.
After 1996 the EA discreetly and without consultation abandoned
dredging, closed the disposal sites and sold or scrapped the dredgers.
The Thames is now suffering (like similar un-maintained
watercourses) from the natural process of bed rise flooding.
Try putting bed rise flooding
into Google and you will find this to be a very well known global problem. - so
nothing new here!
In practice this means that the bed of the Thames is rising over
time, thus the conveyance capacity is reducing and the probability of flooding
The problem is that nobody has a duty to maintain the
flood water conveyance capacity of the Thames, and until somebody has a duty to
maintain the Thames (and all the other main rivers) the problem will not go away
- it will just get worse.
The Environment has run out of space for material dredged from
The EA still has a duty to maintain navigation but now has
problem disposing of navigational dredgings -
The Penton Hook consultation (June 2010)
And now that Thames sediment is designated hazardous liquid
(Thames used for radioactive
waste disposal for 50 years) who is going to pay for disposal? And
what about the 'polluter pays' principle? The truth is that nobody wants to know! Need I say
Source documents: Environment Agency - Penton Hook Newsletter
and plan (June 2010) - Penton Hook
For further understanding please see Penton Hook reach
erosion/deposition drawings Penton Hook (824kB.pdf)
EA dredging document -
Lower Thames Dredging Study - July 2009 (179kB.pdf)
9/9/08 - 'Channel maintenance' (Environment Agency briefing note)(129KB.jpg)
Link to 'Questions to the EA' -
Dredge the rivers (from thisisoxfordshire -
Sunday 19th August 2007)
I attended the Flood Surgery at the Kings Centre organised by the Environment
Agency after the third flood in seven years.
Every time you talk to these people all you get are excuses why they should
not be doing anything.
Take the rivers and streams running through the western corridor.
Why can't they be maintained as they used to be? The Environment Agency tell
you that dredging, widening and clearing these rivers and streams would have had
very little effect on the July flooding. But what about 2000 and 2003 floods?
If these rivers and streams were properly maintained this latest floodwater
would only have been a few inches instead of a few feet.
Another area that they need to look at urgently is the erosion of the banks
of the Thames up stream from Oxford.
AW, Earl Street, Botley, Oxford
Dear Environment Agency,
After the 1947 flood event the Thames was dredged
the Environment Agency took over from the National
How many purpose built dredgers worked upstream of
How many purpose built dredgers work upstream of
67 Lawn Close
Datchet SL3 9LA