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Department of Ecology
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WRIA Adjudication Information

Adjudication is a legal process. It is the foundation for resolving conflicts and competition over water resources. The process begins by serving a summons to all property owners (claimants) in WRIA 1 who are outside the service area of public water supply systems.  The claimants will have one year or more to submit a court claim form to the Whatcom County Superior Court that describes their water usage.

In the following years, the court will review the forms and inventory all legal water rights. The adjudication process will determine whether each water right on a source is legal, how much water can be used, and its priority during water shortages. Then, over time, Ecology will issue adjudicated certificates for all these uses. 

The adjudication will include all areas of WRIA 1, regardless of whether they are directly connected to the Nooksack River system. Use our Watershed look-up tool to learn if your address is within WRIA 1.  

Table of Contents

WRIA 1 Adjudication Filing Documents - March 2025

WRIA 1 Whatcom County Superior Court Documents - May 2024

At the direction of the Washington State Legislature, Ecology filed a water rights adjudication for the Water Resource Inventory Area (WRIA). This filing involves Ecology submitting legal documents with the Whatcom County Superior Court.

 

Documents

Please note these documents are historical and may not reflect the most current information. For the latest updates please refer to the 2025 documents above.

 

Newsletters

Monthly newsletters are sent to provide the most up-to-date information on this adjudication of water rights in WRIA 1 (Nooksack Area) in parts of Whatcom and Skagit Counties. Below, you can find all of the past newsletters and the subjects they covered:


*Please be advised that some information on the newsletters is now out-of-date. We recommend that you refer to the highlighted topics or more recent newsletters for the most up-to-date information.

2025

Topic 

Date 

Court claim form scenarios, how adjudication summons are served.

May 2025

Why we need adjudication in WRIA 1.

April 2025

We sent a mailer. Your adjudication court claim form is on the way.

March 2025

Everything you need to know about filing your claim form.

Special Edition

March 2025

 Collaborating with Whatcom Co Library System, Instantaneous & Annual Quantity.

February 2025

 Court claim form and scenarios for filing.

January 2025

2024

Topic 

Date 

Information about the approved court claim form.

December 2024 

New video about the WRIA 1 adjudication process; Court claim form mailing details. 

November 2024 

Court claim form update, accessing more information.

October 2024 

Water use calculator, how defendants were identified.

September 2024 

Claimants defined, when can I file my court claim form.

August 2024 

First Superior Court hearing, well report information.

July 2024 

Adjudication fees, what if I don’t file a court claim form? 

June 2024 

Water rights documents, the WRIA 1 boundary.

May 2024 

Filing of the adjudication, adjudications in other states.

April 2024 

Why are we adjudicating? Homes on wells.

March 2024 

Receiving a summons, ways to file a court claim form.

February 2024 

Permit-exempt wells, who needs to file a court claim form? 

January 2024 

 

2023

Future water needs, water rights definitions.

December 2023 

What is a water right, and how do I know if I have one? 

November 2023 

Welcome to the newsletter, let’s talk about adjudication.

October 2023