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1998 Tomah Wastewater Treatment Facility Tomah, WI $9.9 million

- 1999 Dane-Iowa Wastewater Treatment Facility Mazomanie, WI $6.7 million
- 2000 Johnson Creek Wastewater Treatment Facility Johnson Creek, WI $3.4 million
- 2001 Marion Wastewater Treatment Facility Marion, WI $5.6 million
- 2002 Mineral Point Wastewater Treatment Facility Mineral Point, WI $4.6 million
- 2003 Delafield-Hartland Wastewater Treatment Facility Delafield, WI $13.5 million
- 2004 Osceola Wastewater Treatment Facility Osceola, WI $4.3 million
- 2005 Wisconsin Dells - Lake Delton Wastewater Treatment Facility Wisconsin Dells, WI $10.2 million
- 2005 Cross Plains Wastewater Treatment Facility Cross Plains, WI $6 million
- 2006 Baraboo Wastewater Treatment Facility Baraboo, WI $1.7 million
- 2006 Reedsburg Wastewater Treatment Facility Reedsburg, WI $10 million
