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Central Arizona Irrigation & Drainage District
CAIDD Directors
ED 4 Directors
Fact Sheet

Important Information from Electrical District No. 4 (ED4)


Notice of Customer Payment Website Changes

With increasing credit card fraud cases worldwide, ED4 continues to provide our valued customers with the latest and most secure bill payment experience through the most modern technology security protocols. As a result, the ED4 payment website will no longer be accessible from computers using the insecure SSL 2.0, SSL 3.0, and TLS 1.0 connections.  If your computer does not have TLS 1.1 and/or TLS 1.2 enabled or if you are not sure, click link below for a simple step-by-step "How-To" tutorial so that you can make the changes yourself and continue to access the ED4 websites safely and securely.

Instructions on how to update your system