Mills Engineering, LLC

Mills Engineering, LLC Water and Wastewater Civil Engineering Company located in Arizona - visit our website at www.millseng.com and our blog at www.septic-design.info

We design water and waste water engineering projects in Arizona. Contact us for waterline extensions, on-site waste water (septic) systems, sewer lift stations, sewer line extensions, waste water treatment plants, booster pumps, storage tanks, water treatment, Construction Authorization and Approval to Construct permits, NOIDs, and more.

Certificate of Completion and Discharge AuthorizationOnce the plant is constructed, operation and installation are revie...
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.

Aquifer Protection PermitAn Individual Aquifer Protection Permit Application is also submitted to ADEQ, who reviews it f...
10/19/2024

Aquifer Protection Permit

An Individual Aquifer Protection Permit Application is also submitted to ADEQ, who reviews it for Administrative Completeness, Technical Completeness, issues a Draft Permit, gives Public Notice, and issues a final permit.

Plant DesignOnce the plant has been approved by the government association, detailed Design of plant and sewer system wi...
10/18/2024

Plant Design

Once the plant has been approved by the government association, detailed Design of plant and sewer system will continue. Construction plans and specifications and a draft operation and maintenance manual are prepared for review by the delegated County or Arizona Department of Environmental Quality (ADEQ)

Wastewater Treatment Plant or Treatment PlantExpansion 208 Plan Small Plant Review or AmendmentThe permitting process th...
10/17/2024

Wastewater Treatment Plant or Treatment Plant

Expansion 208 Plan Small Plant Review or Amendment
The permitting process that is required to expand a wastewater treatment facility or construct a new one includes the 208 Amendment or Small Plant Review. The concept for the plant must follow the 208 Plan, a regional wastewater plan to protect the environment, following Section 208 of the Clean Water Act.

Address

Phoenix, AZ

Website

http://www.septic-design.info/

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