in General Knowledge, Swimming An average swimming pool loses 1,000 gallons… by Web Desk October 10, 2016, 7:03 am 205 Views An average swimming pool loses 1,000 gallons (3,785 L) a month to evaporation and other causes. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *