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Massachusetts Coastal Water Treatment Facility Risk Assessment Tool

Massachusetts Coastal Water Treatment Facility Risk Assessment Tool. Tony Cangello Asher Plange Nic Dupuis. Mission Statement.

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Massachusetts Coastal Water Treatment Facility Risk Assessment Tool

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  1. Massachusetts Coastal Water Treatment Facility Risk Assessment Tool Tony Cangello Asher Plange Nic Dupuis

  2. Mission Statement • To fully develop the climate adaptation tool to analyze the impacts of sea-level rise on the drinking water and waste water treatment facilities along coastal Massachusetts. The tool will be applied to the treatment facilities to identify their risk level of flooding from sea level rise due to climate change. The tool and resulting analyses will act as a reference to help the facilities take proactive actions in order to mitigate the impacts. The information generated by the tool will be useful for a variety of stakeholders with influence or authority over actions taken at the facilities in order to reduce their risk.

  3. Project Goals and Objectives • To develop a tool that will quantify the vulnerability of a water treatment facility regulated by Mass DEP. • Identify risk factors used in earlier study • Identify additional risk factors • Produce weights for each factor • To apply the finished tool to select facilities. • Identify coastal facilities to test the tool on • Gather data from application and package it in cohesive manner for stakeholders and officials to use as well as facility managers.

  4. Developing the Factors • Began with large list of specific factors • Too detailed/ specific • Narrowed down to most significant for flood risk • Left out environmental impacts, interconnections, etc. • More general tool = wider application to facilities • Many crossover factors • Also some plant-specific factors

  5. Developing the “Weights” • Most prominent addition to this tool • Adds depth to the tool • Wastewater and drinking water specialists at Mass DEP • Most important criteria identified first • Location in FEMA and/ or ACE Zones • Elevation of facility • Then least important • Elevation of storage tanks • Membership to Mass WARN • Assessed importance from there

  6. The Facilities • 50 facilities (25 wastewater, 25 drinking water) • Identified by stratified random sample • Drinking water • Community • Transient Non-community • Non-transient Non-community • Wastewater • Municipal • Privately owned

  7. Application of the Tool • Some data provided by Mass DEP • Discharge (wastewater) • Water source (drinking water) • Members of Mass WARN • GIS used for • FEMA Flood Zones • ACE Hurricane Inundation Zones • Elevations • Survey sent to each facility • Cover letter addressed from Ann Lowery (Mass DEP) • Drinking water survey • Wastewater survey • With EPA data • Without EPA data • Follow-up calls for those that didn’t respond

  8. Work ahead of us • BETA testing the tool • Select few randomly picked facilities • Gauge reactions and usefulness • Packaging the tool/ results • Present in simple and useful form • Set standard for stakeholders and officials to base mitigating actions upon

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