Seaside FM
The Shores Resource Centre, 29-31 Seaside Road, Withernsea, HU19 2DL
01964 263 105
contact@seasideradio.co.uk
Seaside Radio Limited registered company number 05031695 & registered charity number 1115311.
The firm said the problem had been caused by a power supply problem that hit its Ashford and Hampton water treatment works in west London.
The following postcodes are affected: CR4, E5, E8, EC1V, KT1, KT2, KT3, KT8, HA0, N1, N15, N16, N17, NW1, NW2, NW10, SE1, SE11, SE16, SE17, SW4, SW8, SW9, SW13, SW14, SW15, SW18, SW19, TW4, TW5, TW7, TW8, TW10, TW11, TW12, TW14, TW17, UB1, UB2, UB6, W1H, W1H, W1M, W1N, W2, W3, W4, W6, W7, W10, W12, W13, W14.
Thames Water said: "We're working hard to fix the issue and to get things back to normal.
"We'll provide further updates here as soon as we have more information."
MP for Twickenham in southwest London, Munira Wilson, said some schools in her area have been forced to remain closed over the issue and urged Thames Water to "sort this soon".