Ms. Helsel is an Environmental Engineer in RETTEW's Energy and Environmental Engineering group. She provides support for the design, construction, and permitting of water treatment and distribution systems and wastewater treatment and collection systems for clients in both the public and private sector. She regularly assists in completing, assembling, and submitting regulatory permitting packages including NPDES permitting, water quality management permitting, sewer planning, and Act 537 planning. Ms. Helsel is also heavily involved in the management, permitting, and design of the firm's renewable projects, including standard ground-mount and rooftop systems, floating solar systems, and garage canopy systems. She also has experience in completing Phase I and II ESAs and environmental cleanup plans in addition to other geotechnical and environmental projects. Additionally, she has assisted with environmental compliance, health and safety, and industrial hygiene studies and monitoring.