More than 800 Wairarapa homes at risk of flooding 6 Apr, 2021 11:15 PM 6 minutes to read Aerial shot of the 1976 floods in Wairarapa. Photo / Wairarapa Archive Wairarapa Times-Age By: Sue Teodoro And the cost to homeowners could exceed $40 million in Masterton alone. As days become shorter and nights longer, residents in flood-prone areas are worried about how winter weather will affect them. A Greater Wellington Regional Council spokesperson said about 590 properties in urban Masterton were at risk in a one-in-100-year flood, with about 130 properties in urban Greytown possibly affected. Advertisement Estimates were not available for Martinborough, Featherston or Carterton. Read More The cost would include damaged infrastructure, the clean-up and emergency services' costs.