Mills Engineering, LLC

Posted by on July 17, 2010 at 7:22 pm

Mills Engineering, LLC is the sponsor of the septic-design.info blog.  The company became a full-time venture for Professional Engineer Kathy Mills in 2006 with the mission to offer high quality water and waste water project design services in Arizona. Since 2006 the company has designed hundreds of septic systems, both conventional and alternative treatment systems, […]

Introduction to septic-design.info

Posted by on July 5, 2010 at 10:31 pm

The purpose of this blog is to discuss issues related to septic system or on-site wastewater system design in Arizona.  The state rules and related County rules are what control the design process. Topics that will be covered: 1. Site Investigations (percolation testing): preparing for testing, steps to complete field work and report. 2. Building […]