1 / 18

Peter Sattler Interstate Environmental Commission Charles Dujardin HydroQual, Inc. May 9, 2006

The Regional Bypass Workgroup A Successful Application of Water Quality Prediction and Interagency Communication. Peter Sattler Interstate Environmental Commission Charles Dujardin HydroQual, Inc. May 9, 2006. Regional Bypass Workgroup – NY/NJ/CT Overview.

lorin
Download Presentation

Peter Sattler Interstate Environmental Commission Charles Dujardin HydroQual, Inc. May 9, 2006

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Regional Bypass WorkgroupA Successful Application of Water Quality Prediction and Interagency Communication Peter Sattler Interstate Environmental Commission Charles Dujardin HydroQual, Inc. May 9, 2006 NWQMC 2006 Conference

  2. Regional Bypass Workgroup – NY/NJ/CT Overview • 1997 Planned and Unplanned Discharges Causes Regional Concern • Lack of Tri-State Communication is Evident • Lack of Predictive Tool is Evident • Regional Bypass Workgroup is Formed • Establish Communication Protocol • Develop Predictive Tool to Assess Conditions

  3. Regional Events of Concern • Planned Bypass at Manhattan Pumping Station • Scheduled for four days @ 150 MGD • NY & NJ Governors battle • “Hearings” go on for months • Pipeline Leak at City Island • NYC Closes Orchard Beach • Westchester County Closes Beaches • NYC “Throgs Neck” Pumping Station Bypass • Precautionary Closure at Orchard Beach • Westchester County Closes Beaches • Connecticut Closes Beaches

  4. 1997 Regional IncidentsNY/NJ/CT Interstate Waters

  5. Communication Begins • July ‘97 meeting in Tarrytown NY • Attendees ( ~30) include Tri-state Regulators and Dischargers • Frank Discussions • Regional Bypass Workgroup Established • Communication & Notification • Development of Predictive Tool

  6. Wastewater Administration NYS DEC NJ DEP CT DEP IEC EPA NYC DEP USCG Consultant HydroQual, Inc. Shellfish & Health NYS DEC NYS DOH NJ DEP FDA NYC DOH Nassau Co HD Westchester Co HD Rockland Co HD Suffolk Co HD NPS Regional Bypass WorkgroupParticipants

  7. Communication and Notification Unplanned Discharge States NJ/CT NYSDEC Notification IEC Oversight City Health County Health Beach Operators State Shellfish Federal Agencies EPA, FDA Coast Guard Note: All Parties Can Execute Modeling Tool

  8. Model Development Considerations • Parameters of concern • Total/Fecal Coliform • Enterococci • Water bodies: • NY-NJ Harbor • Long Island Sound • Atlantic Ocean (NJ Coast) • Variables: • Temperature, Hydrodynamics • Duration , Quantity & Quality of Discharge

  9. Regional Bypass Program • Discharge Characterization Specifications • Select Discharge Location • Volume (MG) • Concentration • Water Temperature • View Results • Choose Threshold Conc. (Optional) • View area-wide results • Select Receptor Site Location • View Temporal Profile

  10. Discharge Sites; Hunts Point Discharge HydroQual, Inc.

  11. Options Menu HydroQual, Inc.

  12. Receptor Sites, Hunts Point Discharge, Threshold at 70 MPN HydroQual, Inc.

  13. Hunts Point Discharge - Response at Rockaway Shores HydroQual, Inc.

  14. June 28, 1997 Throgs Neck Spill, Threshold at 2400 MPN HydroQual, Inc.

  15. June 28, 1997 Throgs Neck Spill, Response at Orchard Beach HydroQual, Inc.

  16. June 28, 1997 Throgs Neck Spill HydroQual, Inc.

  17. June 28, 1997 Throgs Neck Spill, Response at Stamford, CT HydroQual, Inc.

  18. Summary – A Success Story • Communication and Notifications Are Established • Excellent Inter-agency, Inter-state Co-operation • Periodic Regional Bypass Workgroup Meetings • Held at IEC • Discuss Yearly Findings • Discuss Possible Improvements – Communications/Model Upgrades • The June 1997 Westchester, Connecticut Beach Closures Would Not Have Occurred With Regional Bypass Program • The Program Has Been Used Successfully Since 1998 • No Unnecessary Beach Closures

More Related