Liz Lackey, P.E.

Liz assists with planning, design, and permitting for new and rehabilitated water and wastewater infrastructure. She also completes studies and reports of water and wastewater related issues, performs design calculations, and prepares permitting applications for water and wastewater storage, conveyance, and treatment.

She previously serves as a water treatment process specialist with the City of Thornton, Colorado, where she implemented optimization strategies for a 50 million gallon per day ultrafiltration membrane plant and a 20 million gallon per day conventional plant. She also managed the city’s AWWA partnership for Safe Drinking Water Phase II and Phase III submissions.

Prior to that, she was an environmental engineer with IBM Microelectronics. Her responsibilities included providing support for a 3 million gallon per day biological treatment plant and managing SARA Title III Hazardous Materials and Toxic Chemical Release inventories.

• Water-wastewater collection conveyance and treatment
• Wastewater treatment plant design
• Planning services
• Collection system hydraulics
• Flow monitoring
• Pump station design
• Structural design
• Storm Sewer Design
• Erosion & Sedimentation Control Plans
• Permitting
• Construction Administration

• Water & Wastes Digest Young Pros Award, 2021
• ENR Mid-Atlantic Top Young Professional, 2021
• Western Pennsylvania Water Pollution Control Association Engineer Service Award, 2022
• Water Environment Federation Rudolph’s Industrial Waste Management Medal, 2017