At its meeting at on Wednesday, the Metropolitan Sewerage District will hold a public hearing on its proposed fiscal year 2012 budget. Totaling around $43.3 million, the budget calls for a 3 percent increase in the domestic sewer rate, raising the average household’s monthly bill from $25.72 to $26.45. MSD has increased sewer rates every year going back to fiscal year 2007. Rate increases over the past five fiscal years have averaged 3.75 percent.