To calculate an estimate of your new water bill, multiply your total consumption number (31 for me, which means I used 3,100 gallons) by .41 (which is the rate IAW charges per 100 gallons). Then add the standard meter fee of $14.23. The total is your new water bill estimate.
Your sewer and garbage amounts won’t change for now.
To determine how much of a credit you will receive until the fifth year based on your consumption, use the chart below: