Contractor Members Find drilling contractors and water system pump contractors in your area. Go back to directory. Add to Address Book. Ed Brown WaterWell Dev & Surveys P O Box 156 Umatilla OR 97882 work Work Phone: 541-922-6372work Work Fax: 541-922-6372workfax Categories: Contractors Updated 3 years ago. Become a member or contact us for more information about safe use of ground water resources.