storm water and water quality services

The largest source of surface water pollution in many metropolitan areas is storm water flowing from industrial properties, construction sites, and streets. Northgate’s certified storm water staff can expertly mitigate the negative effects of runoff, working seamlessly with municipalities and private sector clients.

Northgate’s Storm Water and Water Quality Services Include:

  • Air quality screening assessments per CEQA and NEPA guidelines
  • Project-specific permitting, rain event action plans (REAPs), storm water management plans (SWMPs), and SWPPPs
  • Notices of Intent (NOIs), Risk Level Determinations, and Notices of Termination (NOTs)
  • Construction Site Monitoring Programs (CSMPs) and Site Monitoring Plans for storm water or TMDL monitoring
  • Electronic filing via the Storm Water Multiple Application and Report Tracking System (SMARTS)
  • Construction, post-construction, and Low Impact Development (LID) BMPs
  • MS4 program development and compliance
  • Industrial NPDES permitting and compliance
  • Erosion and sediment control
  • Hydrologic, hydraulic, and water quality modeling
  • Stream stabilization and restoration
  • All related monitoring, sampling, and reporting