South West Water says repairs to the sewer network in Ottery St Mary were under way before heavy rainfall caused flash flooding yesterday.
The company told East Devon News.co.uk it has been working since the end of last month to divert pipework blocked by a ‘third party’.
A spokesman said: “Since 23 August South West Water has been working on the sewer network in Ottery St Mary to divert a section of the pipe that was blocked by a third party.
“Regretfully yesterday’s unusually heavy rainfall occurred before the new section of pipe had been completed. This may have contributed to the flooding on the roads in the immediate vicinity.”
The water company added: “We will continue the repairs as a matter of urgency.”
Road closures were put in place after a flash flood left knee-deep water in the vicinity of Mill Street.
Firefighters were called in to pump water out of the street and to protect homes.
Ottery St Mary Police said yesterday (September 9) that localised road closures were implemented due to flooding at Salston Corner, Exeter Road-Daisymount into Ottery, and Mill Street.
Police at the time advised motorists and pedestrians to avoid flooded areas until the water had subsided.