Los Angeles Department of Public Works

An integral resource, from conception through construction

E2 has provided services to the County of Los Angeles Department of Public Works (County) since 2007 under a contract for as-needed environmental compliance management services for the Construction Division. The division’s Environmental Compliance Unit (ECU) needs trained, experienced personnel who can hit the ground running on various environmental compliance and management tasks for construction projects located throughout Los Angeles County. And the E2 serves as an extension of the staff, providing ongoing environmental experts and qualified environmental guidance.

E2 is involved with construction projects from conception through design and throughout the advertising/bid process construction, ensuring that projects are constructed in compliance with applicable environmental laws, regulations, permits, and standards. Our team has assisted the County with a wide range of public works projects involving regulatory permitting and reporting, preparation of construction bid documents, submittal review, and managing compliance for hazardous waste investigations; dam maintenance; numerous dewatering and NPDES permit issues; review and implementation of storm water pollution prevention plans; wetlands and riverfront investigations and construction; beach front water quality inspections; sediment removal; low flow diversions; road construction; bridge construction/repair; and sewer upgrades.


  • Assist with regulatory agency coordination
  • Handling and management of hazardous and contaminated soil
  • Design and construction of groundwater dewatering and treatment systems
  • Procurement of, and compliance with, U.S. Army Corps of Engineers Nationwide Permits, Regional Water Quality Control Board 401 and 402 Certifications
  • National Pollutant Discharge Elimination System (NPDES) construction activities
  • California Department of Fish and Game Stream Alteration Agreements and waste discharge requirements
  • Field monitoring of air, water and soil
  • Review of California Environmental Quality Act documents and related technical studies (e.g., air studies)
  • Asbestos abasement and lead-based paint investigations
  • Phase I and Phase II environmental assessments and site investigations
  • Environmental health and safety
  • Storm water compliance
  • Contaminated/hazardous materials and soils management

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Date : 27 May 2014