For more information on the Hydraulic Permit Application (HPA) Program, please contact:
WDFW Habitat Program
(360) 902-2534


Photo of flow control work being conducted in the Chelan River. Two excavators are working on a bank and in the water.

CR-101 Preproposal Statement of Inquiry October 4, 2017
CR-102 Notice of Rulemaking [TBA]
Proposed rule changes [TBA]
Rule Commenting Form [TBA]
SEPA Document [TBA]
Cost-Benefit Analysis / SBEIS [TBA]
CR-103 Rulemaking Order [TBA]
Adopted rule changes [TBA]
Scientific & Technical Literature Supporting Rulemaking [TBA]
Implementation Plan [TBA]
Concise Explanatory Statement [TBA]
Public Comments
Refer to the CR-101 for information about commenting on the pre-proposal notice.  No formal proposals are yet available so there is no public comment period set.  Comments about the CR-101 notice or HPA rulemaking in general can be sent to


Hydraulic Code Rulemaking 220-660 WAC

In November 2014, the Washington Fish and Wildlife Commission adopted a comprehensive update of the state's Hydraulic Code Rules.  Washington Administrative Code (WAC) Chapter 220-660 contains rules that regulate construction projects and other work in or near state waters to protect fish life.

The current Hydraulic Code Rules have been in effect for more than two years, and in that time, many areas for improvement have been identified by staff, permittees, and others. The Washington Department of Fish and Wildlife (WDFW) wants to minimize impacts to permittees by making incremental rule updates.

Why is the department proposing changes to the Hydraulic Code Rules?

WDFW is initiating rulemaking on four sections of Chapter 220-660. Hydraulic Project Approval (HPA) rulemaking objectives include:

  • Adopt an emergency rule (WSR 17-14-079) modifying authorized work times under WAC 220-660-300 for the Sultan River as a permanent rule.
  • Consistency with Title 77.55 RCW with respect to the curtailment of application fees (WAC 220-660-050);
  • Ensure authorized work in WAC 220-660-300 are based on the best available science;
  • Update the department's mailing address published in WACs 220-660-460 and 220-660-470; and
  • Clarify language or accommodate administrative changes in sections 050 and 300.

What is the rulemaking process?

WDFW will implement provisions of the Administrative Procedures Act (Chapter 34.05 RCW) relating to the standard rule making process. Because Hydraulic Code Rules have been identified by the Washington Legislature as significant legislative rules, provisions of RCW 34.05.328 will also apply.

On Oct. 4, 2017, WDFW submitted a preproposal statement of inquiry to the Washington Code Reviser that conveys the rulemaking objectives and identifies rule sections WDFW proposes to open to meet those objectives. This information was published in the Washington Register on Oct. 16, 2017. 

Following this notice, WDFW will develop the specific language proposed for changes. WDFW will then submit a notice of proposed rulemaking to the Code Reviser that identifies the proposed rule change language, dates for submitting public comments, and the date(s) and time(s) of any public hearings.

Updates will be posted on this page and the WDFW's current rule making activity webpage as they come available.

For Further Information

Randi Thurston
Protection Division Manager