The present invention provides a method for monitoring select purge water parameters and determining when the parameters have stabilized. The method includes the steps of selecting which parameters are to be monitored and selecting the time interval between which evaluation readings are performed. The time interval may be selected in set time increments from within a predetermined time range. With the passing of each interval, the results of the evaluation readings are stored in a memory device for at least one, and more preferably a plurality, of consecutive readings. If the readings do not fall within the defined stabilization ranges for the selected parameters, the oldest scan is deleted from the memory device. The comparison of the reading results is again performed with the start of the next interval, with the new reading results being compared to the two old reading results. When the selected parameter values do fall within the defined ranges for three consecutive readings, the operator is alerted that stabilization has been obtained.