Course Description

Course ID: 
GBS-300 Workshop
Policy & Regulations

This partial-day workshop provides a brief overview of low-impact development approaches and resources for building industry professionals and will include a classroom presentation and field activities. Low Impact Development (LID) is an alternative, systems-level approach to conventional stormwater management. Critical for the Pacific Northwest where water quality and salmon habitat protection are key issues, LID offers opportunities for sustainable site design and water efficiency.  The classroom and field portions of the course will be livestreamed to meet all safety requirements for covid-19.  The course is fully interactive with live real-time instruction, questions, activities, etc.

*Registration: There is no cost to attend this workshop but you must register to receive a link to join the live-stream. You may register online or by calling the Northwest Environmental Training Center at 425-270-3274.

Attendees will receive a course manual containing workshop proceedings and reference material.

Intended Audience: 
  • Environmental Professionals
  • Landscape Architects
  • Architects
  • Engineers
  • Planners
  • Plan and Permit Reviewers
  • Facility Managers
  • Developers
  • Construction Managers
  • Those who are interested in incorporating LID into existing site



More Information

Course Topics

  • What is LID?
  • Benefits of LID
  • Northwest Storm Water Issues
  • Salmon Habitat Effects
  • Bio-Retention and Rain Gardens
  • Tree Box Filters
  • Green Streets
  • Rainwater Capture
  • Green Roofs
  • Permeable Pavers
  • Soil Amendments
  • Green Infrastructure
  • EPA LID Guidelines
  • LID Case Studies
  • Cost Reduction through LID
  • LID Tools and Resources


What to Bring

In-person attendees should bring a notebook and pen or pencil.  Coffee, tea and light refreshments will be available. Lunch is on your own.

Online attendees must have a computer or tablet and high-speed internet.

Billing Information

In order to guarantee a space in a course, the tuition must be paid in full TWO WEEKS before the first day of the course by either check or credit card. State and government agencies paying with a purchase order are allowed payment under the two-week time frame if a copy of the purchase order is received by NWETC.

If You Need to Cancel


  • With 31 or more days notice, we will offer a 100% refund or credit towards a future course. The credit is good for one year and may be applied to any course.
  • With 30-8 days notice, we will offer a course credit towards a future course. The credit is good for one year and may be applied to any course.
  • With fewer than 8 days notice, there is no course credit available

*Please note that attendee replacement is welcome at any time

Disability Accommodations

Disability Accommodations:

No upcoming offerings

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