EXH2090033510

for the period July 1, 1996 through May 31, 1997 ] Port of Seattle -I I" September 29, 1997 | prepared by Scott Tobiason Port of Seattle Environmental Services RECEIVED FEB 88 2OOZ DEPTOFECOLOGY AFt033510 Exhibit-2090 J Introduction ,1 This report is submitted to the Washington Department of Ecology (WDOE)n j_ pursuant to Special Condition S.9 of the NPDES permit. This report collects and analyzes stormwater data collected in the past 4 quarters. Water quality data J from STIA's stormwater discharges is compared to relevant regional and national data on both a concentrationand unit load basis. Because many capital BMPs J were institutedduring the current data collection period, improvements in water quality will be discussed in more detail in the next annual report. j J Figure 1 shows the individualstormwater drainage basins and the STIA n Stormwater Management Boundary. Note that only colored subbasins drain to theB J storm system, white or blank areas near the terminals and gates drain to the Industrial Waste System (IWS) which drains runoff to the IndustrialWaste pl. Treatment Plant (IWTP). Monitoringdata from the IW'I'P are not included in this -_ report. J Sources of Reported Data J Data reported and analyzed in this annual report are limitedto discharges from stormwater ouffalls only and include: J • Quarterly and annual monitoring required by the NPDES permit; • Sampling specified by the Stipulated Agreement (Brasher, et. al., 1995);I! j • Stormwater Receiving Environment Study (SRES, Condition S.8 of theSTIA NPDES permit), and J runway deicing study…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]