Construction NPDES Permit
CGP Flow Chart - Do I Need a Permit?
CGP Flow Chart with Footnotes - Do I Need a Permit?
Phase 1 2009 to 2013 Data SW Discharge Pollutants
Request for Chemical Treatment
ELG Documents
EPA's ELG Development Doc Appendix
EPA's ELG for the Construction & Development Industry
Federal EPA etc.
LID
WA ECY West WA LID presentation
WA ECY Western WA Operation and Maintenance Guidelines LID
Western Washington LID Operation and Maintenance
OR Documents
OR DEQ New NPDES Gen Permit 1200c
OR DOT Erosion Control Field Manual
OR ESCP Monitoring Form Fillable
SWPPP & Site Monitoring
How to do SW Inspection - WA ECY
Treatment BMP
Chemical Stormwater Treatment BMP C250
Control of High pH Water - BMP C253
pH Neutralization with CO2 - BMP C252
WA ECY 2019 Draft Permit
Municipal Permits Fact Sheet 2018
Muni Permits WW Appendix 1 Redline
WA SW Manuals
E WA
W WA