Mills Engineering, LLC
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Water and Wastewater Civil Engineering Company located in Arizona - visit our website at www.millseng.com and our blog at www.septic-design.info
10/21/2024
Certificate of Completion and Discharge Authorization
Once the plant is constructed, operation and installation are reviewed by Mills Engineering. Once all punch list items are addressed, the Engineer’s Certificate of Completion is submitted to the regulatory agency along with test results.
Mills Engineering fills your needs for design of water and wastewater systems in Arizona.
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