Rain Barrels may be ordered beginning March 11, 2015 for pick up on April 23 at the Billerica Water Treatment Plant. April 16 is the last day to order rain barrels. Pick up rain barrels on APRIL 23 at Water Treatment Plant on Treble Cove Road 4:30 to 6:30. Please see "Additional info" link for more info. Price is $79.00.