Yorkshire Water issued the warning after some reservoir levels dropped to as low as 20%.
Yorkshire Water has warned its five million customers the hosepipe ban could continue "well into next year".
Director of water Neil Dewis said while there had been "a slight reduction in demand", average levels at the region's reservoirs had dropped further, to 35%.Yorkshire Water's director of water Neil Dewis
Ireland Latest News, Ireland Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Water leak sparks 'explosion' at Oswestry substation and cuts power for hundredsUpdated: A water leak into a power substation in a bargain store's basement caused an 'explosion' which meant a power cut for up to 1,200 customers in the town.
Read more »
Dramatic comparison photos show scale of water level fall at Lake VyrnwySide-by-side comparison pictures show how water levels have fluctuated at the Lake Vyrnwy reservoir - and the lake still has a lot of recovering to do after a baking spring and summer.
Read more »
California to phase out gas furnaces, water boilers by 2030It'll reduce emissions a bunch, but stress the grid even more
Read more »
Oswestry substation 'under five feet of water', hitting town's electric supplyResidents are urged to be careful as a substation is flooded causing problems with the electric supply in Oswestry.
Read more »
Scottish Water investigating loss of supply in parts of GlasgowIt follows a similar incident just two weeks ago affecting the same households in the area
Read more »