E2 provides a broad range of water and wastewater engineering services to clients across the U.S. In fact, the firm’s first projects were for water and wastewater service providers. Our expertise includes planning, evaluation, preliminary and final design, and construction management services for transmission, distribution, pump station, and treatment facilities for surface water, groundwater, wastewater, and storm water.  We have a robust condition assessment team that provides water and wastewater collection system evaluations, flow monitoring, smoke testing, infiltration/inflow studies and evaluations, sewer system capacity evaluation studies, and specialized field inspections. E2 has a strong record of continuous service to clients that include Pebble Beach Community Services District, Monterey County Water Resources Agency, Monterey Regional Water Pollution Agency, Orange County Sanitation District, Los Angeles Department of Water and Power, City of Los Angeles Bureau of Sanitation/Engineering and others.  The firm’s volume of repeat business reflects that our clients respect the technical work and rely on our ability to consistently deliver their projects efficiently.



  • Development of Capital Improvement Plans
  • Flow Monitoring, Source Detection, and Condition Assessment Studies
  • Master Planning
  • Feasibility Studies
  • Hydraulic Modeling
  • Odor Control
  • Pre-Design through Final Design Services
  • Bid Support, Construction Cost Estimating, Project Controls & Scheduling Services
  • Construction Management Services
  • Constructability Review
  • Third Party Peer Review
  • Preparation of Operations and Maintenance Manuals and Staff Training