Hosepipe ban

Discussion in 'General Gardening Discussion' started by Kristen, Mar 12, 2012.

  1. Gay Gardener

    Gay Gardener Total Gardener

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    I don't seem to be able to find the "Excuse me but I'm not thick" unsmilie or the "Lecturing should be left in the classroom" unsmilie, but they have been overlooked by the smilie creators.

    Over and out.
     
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    • pete

      pete Growing a bit of this and a bit of that....

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      Cant say I feel the need to use a hosepipe right now, so they can poke their ban where the sun dont shine.
      Which it just about most places since the ban was imposed.

      Roll on winter, lets get some dry weather, its not like its actually warm rain, more like November than April showers.
       
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      • Kristen

        Kristen Under gardener

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        I'm sorry if I offended you. If you were making a joke that's fine (but wasn't apparent to me), but if you were just having a cheap jibe at the Anglian Water because your nearest reservoir is full and they haven't rescinded your hosepipe ban, then I think you are being naive (for the reasons I explained). Happy to be corrected if I have got any facts wrong.
         
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        • Daisies

          Daisies Total Gardener

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          [​IMG]
          (oooh I've been waiting for a good reason to use that one for ages! :heehee: )​
           
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          • shiney

            shiney President, Grumpy Old Men's Club Staff Member

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          • JWK

            JWK Gardener Staff Member

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            From the horse's mouth, all this rain in the last two weeks has reduced the deficit by only 4.4%

            http://www.thameswater.co.uk/cps/rde/xchg/corp/hs.xsl/15594.htm

            "Richard Aylard, Thames Water’s External Affairs and Sustainability Director, said:
            The irony has not escaped us, we know there’s been a lot of rain since we announced the hosepipe ban, and we understand why people are talking about ‘the wettest drought ever’. But – seriously - a couple of wet weeks are not going to fix the problem. The extra rain we’ve had this month will make up for the shortfall in March, and a bit of February, but not the last two years, which were the driest ever recorded. At the end of March the cumulative deficit in rainfall over the previous 24 months was 417 mm. By April 24, we'd had 68 mm of rain, but this still only reduces the deficit by 4.4 per cent.

            It’s fair enough to ask where all this rain has gone. The answer is mostly into the soil, which acts like a sponge. By the end of March it was so dry that most of the rain we have had since then has just made this sponge wet, rather than getting through to recharge the groundwater we rely on. And as soon as the weather warms up, the plants will put on a growth spurt and suck up most of the moisture, drying the sponge out again.
            "It is most unlikely that we will be able to lift the hosepipe ban until we have had some winter rainfall to really recharge the ground-water levels that are still, in places, lower than they were in 1976. For us, it’s a case of the wetter, the better."
             
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            • gcc3663

              gcc3663 Knackered Grandad trying to keep up with a 4yr old

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              And Noah recorded that it rained for 40 days and 40 nights (a rough quote - its a long time since Sunday School).
              Whilst sitting atop Mound Arrarat in his Ark the Dove returned with the latest weather report:-
              "whilst the current weather conditions have been inclement, the average rainfall for the year is normal, taking into account the arid conditions of last Summer"
              :whistle:
               
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              • Sheal

                Sheal Total Gardener

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                So when's St Swithin's Day! :)
                 
              • islayhawk

                islayhawk Gardener

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                We certainly have no shortage of water where I stay. However - when people talk of de salinisation plants I wonder how much energy it would take to operate them. Energy is expensive so the cost of water would increase dramatically. Is it a long term solution. Maybe it would make sense to import the water from countries like Scotland or Wales, by pipeline or sea tanker. Ok! the cost of a pipeline would be expensive but if it could be completed over a 10 - 20yr period. When you look at the volume of Loch Ness which contains more water than all the Lochs and Lakes in the UK combined it shows the vast amount of water that Scotland has. There has got to be a study done to see if the water sharing is fiesable and possible. Water is the one commodity that all humans need for survival. We must share it if at all possible

                islayhawk
                 
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                • JWK

                  JWK Gardener Staff Member

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                  We already have one! On the Thames at Becton, opened a couple of years ago which produces enough fresh water for 900,000 people a day using 100% renewable energy:
                  http://en.wikipedia.org/wiki/Thames_Water_Desalination_Plant
                   
                • Kristen

                  Kristen Under gardener

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                  It was considered in 2006 (some report or other was published on the matter). It was costed, back then, at £15bn.

                  Water "Up North" is more acidic than "Down South" so there would be ecological problems to consider (but on the up side I'd be able to grow Rhododendrons and Camellias!) and the amount of energy to "pump" the water would be obscene. You can't just put it in canals, and take it out at the far end, as canals were designed for largely static water body, not a flowing one. Water transferred in "open" canals like that has loses from evaporation of course (so a more expensive pipe-solution solves that)

                  Apart from the S.E. where the planners have allowed housebuilding to exceed the available supply of water, we just need to be more frugal. Installing water meters has been found to reduce consumption by 15% (from memory) - people waste less, fix leaking taps sooner, and so on. Fixing the leaks in the distribution system will make more available to the consumer (maybe ... if the leaks are going back into the aquifer then we will lower the aquifer if consumption increases and leaks are fixed). Or, as I mused earlier in this thread, rainwater harvesting could be sponsored - so people would be encouraged to install grey water systems, and it would be compulsory for new-builds; my earlier calculation was that that could save around 50% in households that had a full grey water system (rain water used to flush loos, clean cars, water the garden and so on).

                  If you took a budget of £15bn and applied it to fixing the leaks and subsidising rainwater harvesting, and some education on being more frugal with our usage, I reckon that would fix the problem - and it wouldn't have the huge energy usage side-effect associated with a water grid.
                   
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                  • Jack McHammocklashing

                    Jack McHammocklashing Sludgemariner

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                    We will pipe you the water down, only want you to pipe some sunshine back
                    fair exchange is no robbery :-)

                    Jack McH
                     
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                    • gcc3663

                      gcc3663 Knackered Grandad trying to keep up with a 4yr old

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                      Careful Jack - insist on the Sunshine first.:SUNsmile:
                       
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                      • gcc3663

                        gcc3663 Knackered Grandad trying to keep up with a 4yr old

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                        According to the BBC tonight, there are more Flood Warnings than there are Drought Orders.
                        Over to you Mr Water Authority - justify the Hosepipe Bans!
                         
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                        • shiney

                          shiney President, Grumpy Old Men's Club Staff Member

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                          I really don't like supporting the Water Authorities (or any authorities :heehee:) as I don't think they do the job properly but with regard to not lifting the ban I have to agree with them.

                          The rain isn't, and can't, get through to the aquifers. Although the surface soil is saturated it's still too dry further down. In the areas where the ban is, it's because they have to rely on the deep aquifers for the majority of their water. Only a lot of rain during the winter will help replenish the aquifers.

                          Reservoirs are still very low and the rain we've had hasn't done a great deal for them.

                          The object of the hosepipe ban is to make us aware of unnecessary usage and to reduce the usage by at least 5%. They're hoping that this amount of saving will be sufficient as long as we get enough rain through the winter to top up the aquifers. Spring and summer rain doesn't top up the aquifers after a drought but it helps to stop the reservoirs getting lower.

                          Of course, as Kristen says, major investment in repairing leaks would solve the problem - but not quickly. It would require massive loans and higher water prices for them to speed up repairs.

                          for those of you that like playing around looking at data, you can have a play with this interactive mapping programme.

                          http://maps.environment-agency.gov....ndwater#x=552053&y=214435&lg=1,4,3,2,&scale=7
                           
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