Torrential rain overwhelmed Dunedin's stormwater system, flooding parts of Mosgiel and South Dunedin. More than 110mm of rain fell in 24 hours on February 1.
DCC transport delivery manager Josh von Pein said about half of the $500,000 bill would be spend on repairing Aramoana Rd and seawall.
Work had already started on the repairs, which were being done alongside those from the July 2017 flood, Mr von Pein said.
The Aramoana Rd repairs were the biggest cost and the rest was made up of smaller jobs, he said.
The road and seawall were damaged by a king tide which coincided with the heavy rain.
Preliminary repairs were made quickly so the road could be reopened. People had responded well to traffic signs and there had been no problems with speed or further damage, he said.
The initial repairs cost about $25,000.
The total cost of repairs from both floods was about expected to be about $11million.
The NZ Transport Agency will subsidise 77% of the cost and the DCC will fund the rest, he said.
At least 14 crews of contractors and council staff were working around the city repairing damage from both the July 2017 and February 2018 floods.
Work affecting public safety and high-traffic roads took priority but the timing of repairs also depended on contractor availability, he said.
Repairs were already under way or planned for about 50 large-scale sites damaged during the floods such as bridges, slips and earthworks, while smaller work was completed when crews moved around different areas.
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All this flooding yet we still keep paying millions of dollars for hardly used pathetic cycleways, priorities DCC it's called infrastructure DCC that's what we pay rates to look after so start doing it and stop blatantly wasting our cash.