Publications & Forms

Groundwater - Surface Water Interaction (8 publications 1971-2025)

Title (link to summary)	Number	Date (released or updated)
User’s Guide for the MTCATPH Workbook Version 12.0: Workbook tools for calculating soil and groundwater cleanup levels under the Model Toxics Control Act Cleanup Regulation	01-09-073	April 2025
Spokane River Watershed, West Plains Area: Addendum 2 to Programmatic Quality Assurance Project Plan: Statewide PFAS Preliminary Assessments	24-03-105	December 2024
Addendum 1 to Programmatic Quality Assurance Project Plan Statewide Preliminary PFAS Assessments	24-03-102	June 2024
Toxics Cleanup Program Interim Policy 730: Taking into Account Federal Human Health Surface Water Quality Criteria under MTCA	20-09-059	January 2021
Inland Empire Paper Company Nutrients and Common Ions: Source Water Study	16-03-023	June 2016
Groundwater Contributions to Siebert Creek (Clallam County) During the Summer of 2003	04-03-021	May 2004
Quality Assurance Project Plan: Spokane River/Aquifer Interaction Project	99-03-102	July 1999
Reconnaissance of sea-water intrusion along coastal Washington, 1966-68	WSB 32	January 1971