Washington State Department of Ecology


Publications Home



Wastewater Treatment Plants (WWTPs) (371 publications 1972-2023)

2023 · 2022 · 2021 · 2020 · 2019 · 2017 · 2016 · 2015 · 2012 · 2010 · 2009 · 2008 · 2007 · 2006 · 2003 · 2002 · 2001 · 2000 · 1994 · 1991 ·
1990 · 1989 · 1988 · 1987 · 1986 · 1985 · 1984 · 1983 · 1982 · 1981 · 1980 · 1979 · 1978 · 1977 · 1976 · 1975 · 1974 · 1973 · 1972 ·

Title (link to summary)NumberDate (released or updated)
Quality Assurance Project Plan: Dieldrin and PCB Monitoring of Wastewater Treatment Plants in the Palouse River Watershed 07-03-111August 2007
Final Economic and Least Burdensome Analyses for Amendments to Chapter 173 308 WAC - Biosolids Management 07-07-022May 2007
Rule Adoption Notice for the Amendments to Chapter 173-308 WAC Biosolids Management 07-07-019May 2007
Implementation Plan for the Adoption of Chapter 173-308 WAC, Biosolids Management 07-07-018April 2007
Focus on Wastewater Treatment Plant Operator Certification 07-10-027March 2007

 

Copyright © Washington State Department of Ecology. See http://ecology.wa.gov/About-us/Accountability-transparency/Our-website/Copyright-information.