When Is It Ever Going to Stop Raining?

Retention Basin, Acacia Avenue, Rangiora, 26 May 2010

We’ve had a lot of rain in the last three days, and some parts of the District, like Oxford, are feeling the effects.  It’s still not a Civil Defence level event, but Council staff and contractors are being kept very busy.

There are parts of our District, for instance the lower-lying parts of Kaiapoi and southern Rangiora, which are historically swampy.  When we get a lot of rain, they tend to revert to their natural state.

The retention basin on the left is an example of what is supposed to happen – and the basin over the road was more-or-less empty when I took this photo this morning.  Part of the problem with this part of Rangiora is that water comes down from the rural parts of Johns Road and ends up here. The Council is working on this, but the work id not yet complete.

Obviously, with the area out to Lehmans Road within the designated urban limits, stormwater is an issue that will occupy the minds of the Council, residents and developers for some time to come.

Railway Drain culvert under Kowhai Avenue, Rangiora 26 May 2010

Even relatively new drainage works have the potential to come under pressure.  The cuklvert at the right has caused problems several times in the last couple of years and the Council has budgeted money in the coming year to investigate ways of alleviating what happens in heavy rain events.

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