Download - Peter Sattler Interstate Environmental Commission Charles Dujardin HydroQual, Inc. May 9, 2006
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04/21/2304/21/23 NWQMC 2006 Conference
The Regional Bypass WorkgroupA Successful Application of Water Quality Prediction and Interagency
Communication
Peter SattlerPeter Sattler
Interstate Environmental CommissionInterstate Environmental Commission
Charles DujardinCharles Dujardin
HydroQual, Inc.HydroQual, Inc.
May 9, 2006May 9, 2006
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Regional Bypass Workgroup – NY/NJ/CT Overview
1997 Planned and Unplanned Discharges Causes Regional 1997 Planned and Unplanned Discharges Causes Regional ConcernConcern
Lack of Tri-State Communication is EvidentLack of Tri-State Communication is Evident
Lack of Predictive Tool is EvidentLack of Predictive Tool is Evident
Regional Bypass Workgroup is FormedRegional Bypass Workgroup is FormedEstablish Communication ProtocolEstablish Communication Protocol
Develop Predictive Tool to Assess Conditions Develop Predictive Tool to Assess Conditions
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Regional Events of Concern
Planned Bypass at Manhattan Pumping Station Planned Bypass at Manhattan Pumping Station Scheduled for four days @ 150 MGD Scheduled for four days @ 150 MGD NY & NJ Governors battle NY & NJ Governors battle ““Hearings” go on for monthsHearings” go on for months
Pipeline Leak at City IslandPipeline Leak at City IslandNYC Closes Orchard BeachNYC Closes Orchard BeachWestchester County Closes BeachesWestchester County Closes Beaches
NYC “Throgs Neck” Pumping Station BypassNYC “Throgs Neck” Pumping Station BypassPrecautionary Closure at Orchard BeachPrecautionary Closure at Orchard Beach
Westchester County Closes BeachesWestchester County Closes BeachesConnecticut Closes BeachesConnecticut Closes Beaches
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1997 Regional IncidentsNY/NJ/CT Interstate Waters
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Communication Begins
July ‘97 meeting in Tarrytown NYJuly ‘97 meeting in Tarrytown NYAttendees ( ~30) include Tri-state Regulators and Dischargers Attendees ( ~30) include Tri-state Regulators and Dischargers
Frank Discussions Frank Discussions
Regional Bypass Workgroup EstablishedRegional Bypass Workgroup EstablishedCommunication & NotificationCommunication & Notification
Development of Predictive ToolDevelopment of Predictive Tool
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Regional Bypass WorkgroupParticipants
Wastewater AdministrationWastewater AdministrationNYS DECNYS DEC
NJ DEPNJ DEP
CT DEPCT DEP
IECIEC
EPAEPA
NYC DEPNYC DEP
USCGUSCG
ConsultantConsultantHydroQual, Inc.HydroQual, Inc.
Shellfish & HealthShellfish & HealthNYS DECNYS DEC
NYS DOHNYS DOH
NJ DEPNJ DEP
FDAFDA
NYC DOHNYC DOH
Nassau Co HDNassau Co HD
Westchester Co HDWestchester Co HD
Rockland Co HDRockland Co HD
Suffolk Co HDSuffolk Co HD
NPSNPS
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Communication and Notification
Unplanned Discharge
NYSDEC
Notification
IEC
Oversight
States
NJ/CT
City Health
County Health
Beach Operators
State Shellfish
Federal Agencies
EPA, FDA
Coast Guard
Note: All Parties Can Execute Modeling Tool
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Model Development Considerations
Parameters of concernParameters of concernTotal/Fecal ColiformTotal/Fecal Coliform
EnterococciEnterococci
Water bodies:Water bodies:NY-NJ HarborNY-NJ Harbor
Long Island SoundLong Island Sound
Atlantic Ocean (NJ Coast)Atlantic Ocean (NJ Coast)
Variables:Variables:Temperature, HydrodynamicsTemperature, Hydrodynamics
Duration , Quantity & Quality of DischargeDuration , Quantity & Quality of Discharge
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Regional Bypass Program
Discharge Characterization SpecificationsDischarge Characterization SpecificationsSelect Discharge LocationSelect Discharge Location
Volume (MG)Volume (MG)
ConcentrationConcentration
Water TemperatureWater Temperature
View ResultsView ResultsChoose Threshold Conc. (Optional)Choose Threshold Conc. (Optional)
View area-wide resultsView area-wide results
Select Receptor Site LocationSelect Receptor Site LocationView Temporal ProfileView Temporal Profile
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HydroQual, Inc.
Discharge Sites; Hunts Point Discharge
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HydroQual, Inc.
Options Menu
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HydroQual, Inc.
Receptor Sites, Hunts Point Discharge, Threshold at 70 MPN
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HydroQual, Inc.
Hunts Point Discharge - Response at Rockaway Shores
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HydroQual, Inc.
June 28, 1997 Throgs Neck Spill, Threshold at 2400 MPN
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HydroQual, Inc.
June 28, 1997 Throgs Neck Spill, Response at Orchard Beach
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HydroQual, Inc.
June 28, 1997 Throgs Neck Spill
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HydroQual, Inc.
June 28, 1997 Throgs Neck Spill, Response at Stamford, CT
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Summary – A Success Story
Communication and Notifications Are EstablishedCommunication and Notifications Are EstablishedExcellent Inter-agency, Inter-state Co-operationExcellent Inter-agency, Inter-state Co-operation
Periodic Regional Bypass Workgroup MeetingsPeriodic Regional Bypass Workgroup MeetingsHeld at IECHeld at IEC
Discuss Yearly FindingsDiscuss Yearly Findings
Discuss Possible Improvements – Discuss Possible Improvements – Communications/Model UpgradesCommunications/Model Upgrades
The June 1997 Westchester, Connecticut Beach Closures The June 1997 Westchester, Connecticut Beach Closures Would Not Have Occurred With Regional Bypass ProgramWould Not Have Occurred With Regional Bypass Program
The Program Has Been Used Successfully Since 1998The Program Has Been Used Successfully Since 1998No Unnecessary Beach ClosuresNo Unnecessary Beach Closures