Funding for the Woodbury temporary water treatment plant is provided through the 2018 settlement agreement between the State of Minnesota and 3M. This arrangement includes a $40 million provision for temporary facilities meeting the requirements of the 2007 settlement agreement between the same two parties. Total cost for construction of the temporary treatment plant was approximately $10.5 million.
Operation and maintenance costs are also covered under the $40 million provision. At this time it is projected to cost an average of approximately $600,000-$800,000 a year for operation and maintenance.