Stormwater system insisted on

A Wansbeck St subdivision will install and maintain its own stormwater system, the Waitaki District Council says, after neighbours complained about the amount of clay running off the property and into a nearby creek. Photo: Hamish MacLean
A Wansbeck St subdivision will install and maintain its own stormwater system, the Waitaki District Council says, after neighbours complained about the amount of clay running off the property and into a nearby creek. Photo: Hamish Maclean
An Oamaru subdivision has been ordered to install a stormwater system on site after sediment entered a tributary of Awamoa Creek, the Waitaki District council says.

The council's latest community, culture and regulatory committee agenda names Holmes Hill Estate, in Wansbeck St (State Highway 1), twice - first to note the ''community unease'' due to ''noise, dust, unsightly stockpiles and sedimentation for neighbouring properties'', and then to note an agreement had been reached for the developer to install additional infrastructure on site to deal to the problem.

''Stormwater from the Holmes Hill Estate (Wansbeck St) subdivision flows into an ephemeral stream and then into Awamoa Creek. After discussion with the applicant, an agreement has been reached and shall provide, as its basis, for the consent holder to fully install the on-site stormwater reticulation and detention facilities and maintain it in a fully operational condition for three years from its installation. At the expiration of the three years, the ownership of these stormwater facilities shall transfer to the Waitaki District Council. This will provide a level of protection to adjoining landowners and infrastructure downstream,'' the November committee agenda says.

The developer, Oamaru's Mike Lowe, did not respond to a request for comment.

Otago Regional Council regulatory general manager Richard Saunders confirmed the council had taken enforcement action at the Holmes Hill sites.

''[ORC] took enforcement action to address sediment being discharged from the development site and will continue to monitor the situation. ORC is not involved in discussions about long-term ownership of stormwater systems associated with the development.''

In March, after earthworks had begun on site, the Otago Daily Times reported the roughly 8ha former Oamaru lifestyle block was being converted into a 50-section subdivision, to be a similar size and scope to nearby Waiareka Park in Weston Rd - a project started by the same local team in March 2017.

hamish.maclean@odt.co.nz

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