In December, the Wisconsin DNR held a public hearing about the proposed permit for Rosendale Dairy to double its size to 8,300 cows.

If the DNR allows this expansion, Rosendale Dairy will create and spread over 90 million gallons of manure across the land each year, more than the total waste created by the city of Green Bay.... Rosendale’s plan clearly applies too much manure to too little land; much of this manure will likely runoff into local waterways ,,,

Our waterways already have many problems, including too much phosphorus from manure and fertilizers. This overabundance of phosphorus leads to smelly, unsightly algae blooms which use up oxygen in the water causing ecosystem changes and other problems.

Doubling the size of Rosendale Dairy without increasing environmental protection efforts will only make these problems worse.

Rosendale has many options to prevent their manure from damaging our waterways. They could revise their plan to manage manure more soundly by spreading less manure over more land.

Like many farms in our state, Rosendale could install a biodigester that creates homegrown energy while capturing phosphorus. Rosendale could also install a wastewater treatment plant and treat the farm waste to reduce phosphorus discharges into our waterways. ...

There is no reason the biggest farm in the state shouldn’t have state-of-the-art technology for manure disposal, especially when the health of our waterways lies in the balance.

The DNR needs to ensure Rosendale Dairy uses the best technology available to protect our waterways. ...

— Melissa Malott

Water program director

Clean Wisconsin

Madison, Wis.

Read the entire letter in the Jan. 21, 2010 edition of the Ripon Commonwealth Press.

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