The city of McMinnville is looking at a $4 million upgrade to its Wastewater Treatment Plant in the near future.A Water and Sewer Committee meeting is scheduled for 6 p.m. on Monday, March 16, to discuss authorizing a resolution to secure State Revolving Funds for the project. On Thursday, March 19, at 6 p.m. there will be a special called session of the Board of Mayor and Aldermen to consider the resolution. According to city engineer Anthony Pelham during a presentation made Tuesday night, the wheels have been turning slowly on obtaining a loan for the upgrades and the paperwork on the loan was finally received the day before.“We’ve been in this process for quite some time.