20200304-004a: Spatially Displaying Water Quality Compliance Pollution Data — original pdf

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Spatially Displaying Water Quality Compliance Pollution Data Thain Maurer Environmental Compliance Supervisor Watershed Protection Department “Pollutant Locations” GIS Viewer Why am I presenting here today? Why did we create this tool? What does this new tool do? Context and cautions. Some ideas for future applications. Why am I Presenting Here Today?  WQC is starting to use this viewer for reports  Intro on interpreting data  Ideas for other applications Why Create This Viewer? New Regulatory Requirements Why Create This Viewer? Educational Outreach Why Create This Viewer? Problem Areas by Pollutant Category Why Create This Viewer? Can We Correlate EII and Spills? What Does This Viewer Show?  https://arcg.is/e0Pbe  Spatially displays WQC pollutant data  Has various statistical analyses of pollution data date range  Allows sorting by pollutant group and  Can display large spills and unrecovered volumes of pollutants Context and Cautions  No toxicity information  Heat map/Hotspot map are based on occurrences, not volumes  Some data and trends are more easily seen in non-spatial analyses  Context matters, especially for volumes Spatial vs Non-Spatial Spatial vs Non-Spatial Spatial vs Non-Spatial Spatial vs Non-Spatial Future Applications and Projects  Combining pollutant data with drainage maps to prioritize outfalls for dry weather screening  Publicly available tool for raw pollutant location data  Exploring how spills degrade stream health Thanks! Any questions?