I saw the TV Three feature and was also shocked but not surprised. This is what happens when dairy cow numbers are increased 9 fold from 50,000 dairy cows in Soutland 10 years ago to 450,000+ cows today.
The BBC interview with John Key highlights just how out of touch the PM is with what is going on in the real world.
Sadly it also highlights how useless Regional Councils, in this case the Southland Regional Council, have been at stopping the destruction of wetlands and the conversion of farmland all around the waterways that flow across the Southland Plains and into the Waituna Lagoon. Consequently their actions (or lack of action!) have condemned the Waituna Wetland of International Importance to a very uncertain future.
Over the last 10 years, the Southland Regional Council has simply failed to act to stop massive scale dairy conversion right across the sheep and beef land and wetlands that surrounded this Ramsar "Protected" wetland. In one stream called Muddy Creek that flows straight into the lagoon they consented to clearance of natural vegetation right up to the stream. The cows wallow in the mud and all this polluted muck goes straight into the "protected" lagoon.
Because of the gutless Regional Council---which was largely the gutless Councillors who at that time were mostly farmers themselves--failling to act and prohibit the dairy development, the only option open to DOC, Fish and Game, iwi and those who wanted to save the wetland was to try to purchase the areas that had to be protected to provide a buffer around the Lagoon. The Nature Heritage Fund (NHF) supported a number of the DOC protection applications to it to save Waituna wetlands. Hundreds of thousands of taxpayer dollars were spent by the NHF permanently protecting a number of the undeveloped areas around Waituna over the last 10 years.
The NHF was not, however, prepared to be blackmailed into buying the areas to protect alongside the streams that were being developed by the dairy farmers. First because it was the Regional Council's legal responsibility to protect those streams and their margins. Second because the blackmailing farmers would simply use any funds raised from NHF revenue to press ahead with equally destructive dairy conversions nearby. Thirdly because the NHF has very little money to try to protect key areas across the whole of NZ and Southland has had far more than its fair share of total NHF funding.
The staff of the Southland Regional Council have generally shown that they were prepared to try to do the right thing and use their legal powers to protect the waterways. Their Councillors failed to back them up. The new Chair of only 6 months who is much more enlightened has inherited a tragic mess that will cost tens of millions to rectify.
Readers should be aware that the Dairy NZ CEO kept on implying that dairy shed effluent is the main problem.
Point source pollution such as from dairy shed run off can be managed at a cost and this has to be done and the farmers have to comply with the rules on this or be prosecuted. Much more difficult to solve is run off from the farmers application of huge quantities of Nitrogen and Phosphate fertiliser to develop the paddocks and the run off of this into the streams. The waterway pollution is also from the cows urine and faeces running straight into the waterways. This comes from cows grazing right alongside the waterways and from water flowing directly from paddocks into the streams where there is no buffer of natural vegetation.
What has exacerbated the problem this year is a very wet summer-autumn in Soutland. As seen on the TV3 programme, many paddocks are totally waterlogged. This water logging-pugging issue has always been known about in Southland and was one of the main reasons why dairying historically did not expand on the Southland Plains.
However modern dairy farmers here thought that they could defeat nature! How wrong they are. The taxpayer will no doubt end up with the bill to try to clean up this mess.