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Resources for Group B Water Systems
Resources for Group B Water Systems
Group B Newsletters
Volume 1 (2006)
Volume 2 (2007)
Volume 3 (2009)
Volume 4 (2010)
Volume 5 (2011)
Volume 6 (2012)
Volume 7 (2013)
Volume 8 (2014)
Volume 9 (2015)
Group B Operational Factsheets
Group B Preventive Maintenance Guide
DOH Group B Operations Webpage
Typical Pumphouse Piping
Pest Control
Troubleshooting Bladder Pressure Tanks
Sanitary Protection of Reservoirs: Vents
Sanitary Protection of Reservoirs: Hatches
Simple Fixes for Wellhead Openings
Satellite Management Agencies for Cowlitz County
Coliform Information
Coliform Bacteria Factsheet
Coliform Public Advisory Packet
E. coli Notification Form (Group B)
Coliform Sampling Procedures
Emergency Disinfection Procedures
Drinking Water Labs Near Cowlitz County
Other Information
Group B WAC: 246-291
Arsenic Factsheet
Arsenic Notification Form (Group B)
Abandoned Water Wells
DOH Drinking Water Publications Website
Generator Transfer Switch Requirements
Cowlitz County Group B Code
Group B Approval Process
Resources for Group B Water Systems
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