Department of Health
331-673 • Revised November 1, 2021
Category: Resources
Parent category for reference posts applicable to several categories
Groundwater Flow and PFAS Transport Modeling Report Issaquah, Washington
Geosyntec Consultants
September 13, 2021
Per- and Polyfluoroalkyl Substances (PFAS) Additional Characterization Study Summary Report
Lower Issaquah Valley
Issaquah, Washington
Farallon Consulting, L.L.C.
April 14, 2021
Loading, transport, and treatment of emerging chemical and biological contaminants of concern in stormwater
Sumaiya Saifur and Courtney M. Gardner
March 2, 2021
Critical Aquifer Recharge Areas Guidance
Department of Ecology
March, 2021
DoE – Critical Aquifer Recharge Area Guidance
Minimizing the environmental impact of PFAS by using specialized coagulants for the treatment of PFAS polluted waters and for the decontamination of firefighting equipment
Emerging Contaminants Journal
February 22, 2021
Per – and Polyfluoroalkyl Substances Characterization Study Work Plan Addendum
Lower Issaquah Valley
Issaquah, Washington
Farallon Consulting, L.L.C.
April 3, 2020
Olympic View Water and Sewer District Wellhead Protection Area Delineation Deer Creek Springs and 228th St. Wellfield
Robinson Noble Inc.
August 2018
Letter responding to PGG letter of findings
Subject: Response to Pacific Groundwater Group’s letter of findings, dated June 1, 2018, regarding the proposed use of UIC Wells at the Madrona Elementary School in Edmonds, WA
Robinson Noble Inc.
June 8, 2018
Madrona School Stormwater Management System Assessment
Pacific Groundwater Group
June 1, 2018
Bittersweet Nightshade
King County noxious week fact sheet
June, 2018
Environmental Cleanup of Chevron’s Unocal site
Link to Chevron Environmental Management Company’s website:
Wellhead Protection Program Guidance Document
Washington Department of Health
January 2017
Purple Loosestrife
Purple loosestrife is an invasive and competitive noxious weed that alters wetland ecosystems by replacing native and beneficial plants. Water-dependent mammals and waterfowl and other birds leave wetlands when their food source, nesting material and shelter are displaced by purple loosestrife
January, 2011
https://your.kingcounty.gov/dnrp/library/water-and-land/weeds/BMPs/purple_loosestrife-control.pdf