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Title

Standard Operating Procedure for Calculating Pollutant Loads for Stormwater Discharges v 1.1

 
Publication number Date Published Date Revised
18-10-026September 2009March 2024
VIEW NOW Standard Operating Procedure for Calculating Pollutant Loads for Stormwater Discharges v 1.1 (Number of pages: 19) (Publication Size: 623KB)


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Author(s) Todd Thornburg, Julie Lowe
Description This document is the Washington State Department of Ecology’s Standard Operating Procedure (SOP) for calculating pollutant loads from stormwater discharges. This SOP provides a method for calculating seasonal and annual pollutant loads (contaminant mass loads) from stormwater discharge pipes.
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Contact Chris Dudenhoeffer at 360-870-8409 or chris.dudenhoeffer@ecy.wa.gov
Keywords stormwater treatment, standard operating procedures, runoff, monitoring, storm drain, storm water outfall, stormwater, Stormwater General Permit, stormwater management, stormwater manual, stormwater runoff, discharge, Discharge Monitoring, stormwater sampling, SOP, Standard Operating Procedure
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