Hydraulics project approval (HPA) permit

What is the purpose of a hydraulics project approval permit?

The purpose of a hydraulics project approval permit, issued by Washington State Department of Fish and Wildlife (WDFW), is to see that construction activities that affect the bed or flow of state waters is done in a manner that prevents damage to the state's fish and shellfish and their habitat.

What activities require this permit?

A Hydraulic Project Approval is required when any construction activity in or near state waters is proposed. State waters include all marine waters and fresh waters of the state.

Notes / Comments

For application forms or other information

• Go to Hydraulic Project Approval (HPA) (external link) on WDFW's Web site

• Contact:
  
  WDFW North Puget Sound Region Office
  16018 Mill Creek Boulevard
  Mill Creek, Washington 98012-1296
  Telephone: 425-775-1311
  Fax: 425-338-1066.

Legal authority

Chapter 77.55 of the Revised Code of Washington (external links)

Administered by

Washington State Department of Fish and Wildlife (external link)