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Select a region for customized content and rates
San Tan customers
Application to extend certificate of convenience and necessity for San Tan Water District
Application for approval of proposed new annual rate adjustment mechanisms ('Formula Rates')
Cienega Springs customers
Application to acquire Cienega Water assets and extend Sonoran Water District
2026 water rate case
Learn about EPCOR’s 2026 water rate case, including why we’re filing and how you can participate in the Arizona Corporation Commission public process.
Water quality reports
Drink your water with the confidence in knowing its quality is held to high standards.
Water service for new homes
Need help bringing water and sewer service to new developments? If you're a homebuilder or business owner near an existing EPCOR service area, we're happy to help.