Lincoln Regional Sewer Pipeline | City of Lincoln Lincoln Regional Sewer Pipeline | City of Lincoln Lift Station Decommissioning | City of Roseville Lift Station Decommissioning | City of Roseville Recycled Water Outfalls | City of Roseville Recycled Water Outfalls | City of Roseville Wastewater Treatment Plant Facilities Evaluation Update | City of St. Helena Wastewater Treatment Plant Facilities Evaluation Update | City of St. Helena Sewer Feasibility Study | Town of Paradise Sewer Feasibility Study | Town of Paradise Sewer Repairs | City of Grass Valley Sewer Repairs | City of Grass Valley Wastewater Treatment Plant Decommissioning | Newcastle Sanitary District Wastewater Treatment Plant Decommissioning | Newcastle Sanitary District Wastewater System Repairs | Newcastle Sanitary District Wastewater System Repairs | Newcastle Sanitary District Wastewater Treatment Plant Improvements | City of Biggs Wastewater Treatment Plant Improvements | City of Biggs Select an image to view a larger photo.