KATHY CHAET » Agency Wide Contact Information Go back to directory. Add to Address Book. KATHY CHAET CENTER MANAGER II HES Lake Havasu City AZ 86405 work Work Phone: 928-680-4962work Work Fax: 928-680-6092workfax Work Email: kathyc@wacog.comINTERNET Categories: Uncategorized Updated 5 years ago.