Contractor Members Find drilling contractors and water system pump contractors in your area. Go back to directory. Add to Address Book. Bret Gardner Rock Well Water Systems Work P O Box 326 Chelan WA 98816 work Work Phone: 509-687-2253work Work Email: email@example.comINTERNET Website: http://www.rwwater.com Categories: Contractors Updated 2 years ago. Become a member or contact us for more information about safe use of ground water resources.