Calculation of Withdrawal Amount or Estimated Withdrawal Amount

The Withdrawal Amount for metered end suppliers shall be calculated using the measured volumes reported to the Department in the Annual Statistics Report required at 310 CMR 22.15(5). For unmetered end suppliers serving a population of at least 900 persons the Estimated Withdrawal Amount shall be calculated using the following formula: Population Served, as reported to the Division in the Annual Statistical Report, multiplied by the average number of gallons of water used per person per day, as determined by the Department, multiplied by the number of days in that year, or for seasonalsystems, the number of days the system operated that year = Estimated Withdrawal Amount.