Contractor Members Find drilling contractors and water system pump contractors in your area. Go back to directory. Add to Address Book. Ed Hohnstein Water Systems & Pump Svc LTD P O Box 347 Auburn WA 98071 work Work Phone: 253-939-5859work Work Fax: 866-528-8872workfax Work Email: email@example.comINTERNET Website: http://www.911nowater.com Categories: Contractors Updated 2 years ago. Become a member or contact us for more information about safe use of ground water resources.