Family, friends and city representatives gathered to officially christen the Doug Prinz Memorial Wastewater Treatment Plant April 20. In honor of the late, dedicated social worker, the site will better position Elgin to handle its rapid growth. “This may be the most important project funded through the 2021 Certificates of Obligation,” said City Manager Thomas Mattis.Responsible for filtering and treating water from residential and commercial sewer systems, the expanded plant doubled the size and treatment capacity for the city to two million gallons daily. The work of general contractor CSA and engineering firm TRC Engineers also brought a new generator,