Watershed Management Plan Documents
The Watershed Management Plan was developed to ensure that future management of water resources of the Chehalis Basin remains in the hands of its residents to the greatest extent possible. Through this planning process, the local citizenry shared issues and concerns related to water resource management and has worked with utilities and local governmental entities to develop the plan.
Streamflow Restoration Plan / Watershed Plan Addendum
Addendum to the Chehalis Basin Watershed Management Plan: Chehalis Watershed (WRIA 22/23) Response to the 2018 Streamflow Restoration Law. November 17, 2020.
SEPA Environmental Checklist – SEPA comments due to Grays Harbor County, October 15, 2020 by 4:30 p.m.
Watershed Management Plan
Watershed Management Plan – Main Document
Supplement Documents – Table of Contents
Supplement 1 – Introduction
Supplement 2 – Why Does the Plan Exist?
Supplement 3 – Basin Description
Supplement 4 – Issue Papers – Table of Contents
Water Quantity Core Issue; Instream Flows; Hydraulic Continuity; Municipal Water Supply;
Stormwater; Total Maximum Daily Loads (TMDLs); Management Framework; Voluntary Agreements
Supplement 5 – Implementation Strategy
Supplement 6 – SEPA Compliance and Watershed Planning
Supplement 7 – Glossary of Terms
Intergovernmental Agreement – 1998
Detailed Implementation Plan
Available for download here are the key Watershed Management Plan documents:
The Watershed Management Plan provides the vision of the Chehalis Basin Partnership (as of 2004) on goals and objectives for water management in the Chehalis Basin. The Plan examines water quality, water quantity, instream flow and habitat.
The Detailed Implementation Plan outlines strategies and concrete actions the group can take towards implementing the Watershed Management Plan.
Streamflow Restoration Plan documents represent the most current (2018-2020) planning effort by the Chehalis Basin Partnership.