About

My name is Kathy Mills and I am a professional civil engineer registered in the state of Arizona.  I have been designing septic systems for over 18 years.

Growing up in Tucson, where the sole water source was groundwater until the CAP canal was completed, I was concerned about water in the desert and protecting the environment.  As a result, I chose to become an engineer specializing in water and waste water.

Septic-Design Blog Purpose

Started in 2010, Septic-design.info blog entries contain helpful information about onsite wastewater system design in the state of Arizona.  Other than websites for the counties and the state, and some information on the University of Arizona’s education site, there is a lack of internet information on septic system design in Arizona for homeowners, designers, or installers.  My intent is to discuss the process of designing a system with all of the steps and possibilities to help educate my clients and others.

If you have a question or topic that is not covered here, please click Contact Us and ask for info.

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