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Passaic River Near Chatham, NJ USGS ID: 01379500

Passaic River Near Chatham, NJ USGS ID: 01379500. Team Members Researcher/Historian: Thomas Hansen Supervisor: Jacqueline Parr Project Manager: Chris deBang Logistics: Dave Seiler. The Passaic River Basin A Century of Flooding 1903,1945,1968,1984,2000,2007,2010,2011.

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Passaic River Near Chatham, NJ USGS ID: 01379500

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  1. Passaic River Near Chatham, NJ USGS ID: 01379500 Team Members Researcher/Historian: Thomas Hansen Supervisor: Jacqueline Parr Project Manager: Chris deBang Logistics: Dave Seiler

  2. The Passaic River BasinA Century of Flooding1903,1945,1968,1984,2000,2007,2010,2011 Photo Credit: US Army Corps of Engineers

  3. Hundred Year Flood-1903 • Passaic River overflowed its banks on October 8, 1903, and remained in flood until October 19. Between these dates there occurred the greatest and most destructive flood ever known along this stream. Passaic at full bank carries about 12,000 cubic feet of water per second, but at the height of this flood it carried about 35,700 cubic feet per second.

  4. April 2007 Flood. 5000 evacuated,$686,000,000 damages, 10-20 year flood event. Little Falls, NJ Photo Credit: US Army Corps of Engineers

  5. March 2010 flood, $772,000,000 damages. 20-25 year flood event. Wayne, NJ Photo Credit: US Army Corps of Engineers

  6. Historical Documents • 1902 through 1936, the State of New Jersey established Flood District Comm. to formulate plans to alleviate the flooding • http://www.nj.gov/dep/passaicriver/docs/20100526acoe_pres.pdf Briefing with Passaic River Basin Flood Advisory Commission by Army Corps of Engineers. This report of 5/26/10 is comprehensive. • USGS Water Supply and Irrigation Paper No. 88

  7. February 10, 2011 DEP Press Release highlights recommendations: II ADVISORY COMMISSION STATEMENTS AND RECOMMENDATIONS Based on the Governor’s Executive Order 23: 1. Floodway and Floodplain Buyouts Table 2 – Floodway/10-Year Floodplain Buyouts 2. Structure Elevations in Floodplains 3. Open Space Acquisition and Preservation 4. Pompton Lake Dam Floodgates Performance and Modifications 5. Desnagging and Shoal Dredging 6. Feeder Dam Removals 7. State Adoption of the NFIP 8. Permit Expedition for Desnagging and Shoal Dredging 9. Emergency Preparedness and Response 10. Flood Warning System 11. Inundation Mapping 12. Public Outreach 13. USACE Reevaluation Study 14. Flood Risk Mapping 15. Moratorium on All New Development in the Floodplain

  8. Structure Elevation Photo Credit: US Army Corps of Engineers

  9. Floodgates and Dam at Pompton Lakes Ramapo RIver Photo Credit: US Army Corps of Engineers

  10. River Obstruction Removal Photo Credit: US Army Corps of Engineers

  11. Pompton Lakes gage, old gage upstream Ramapo RIver Photo Credit: US Army Corps of Engineers

  12. Watershed Divide with Outflow and Rain Gauges Rain Gauge #2 City: Morristown (I)State: NJCounty: MorrisElevation: 61 mLatitude: 40.79916Longitude: -74.4152Network: IFLOWS USGS ID: 01379500 Outlet Flow Gauge (Chatham) Rain Gauge #1 City: Basking RidgeState: NJAlt. name: KQ51County: SomersetElevation: 67 mLatitude: 40.6956Longitude: -74.5198Type: Campbell ScientificNetwork: Mesonet Rain Gauge #3 City: Canoe Brook State: NJ County: Essex Elevation: 53 m Latitude: 40.74361 Longitude: -74.3544 Type Network: IFLOWS

  13. Field Surveying Photo Credit: Dave Seiler

  14. Area Surroundings Looking to the East Terminal Moraineto the North Photo Credit: Dave Seiler

  15. South shore Outside Reference Gauge Photo Credit: Dave Seiler

  16. Structures Storm Drain Gaging Station at Outflow Gauge Photo Credit: Dave Seiler

  17. Interview: Ella Filippone(President of the Passaic River Coalition) The terminal moraine that was created by glaciers. 2. The local municipality has purchased flood prone land and removed any homes or buildings there.

  18. Interview (cont’d) • The soil is very sandy which allows good infiltration and 40% of the precipitation goes into a natural aquifer. • The Great Swamp acts as a buffer for any heavy precipitation that falls in the mountains that lead to the Chatham area.

  19. Historical Information http://www.nan.usace.army.mil/project/newjers/factsh/pdf/120604/AppendixA.pdf

  20. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  21. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  22. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  23. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  24. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  25. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  26. Historical Data for Chatham Outflow Gauge Credit: NWS - Middle Atlantic River Forecast Center

  27. HPC Daily Weather Map July 14th 2010 Source: Hydrometeorological Prediction Center http://www.hpc.ncep.noaa.gov/dailywxmap/index.html

  28. Rain Event (July 14, 2010) Source: NCDC Radar Inventory – http://www.ncdc.noaa.gov/nexradinv/chooseday.jsp?id=kdix

  29. Basking Ridge Hyetograph Source: Rutgers NJ Weather and Climate Network – http://climate.rutgers.edu/njwxnet/dataviewer-stnpt.php?yr=2010&mo=7&dy= 13&qc=&element_id%5B%5D=24&stn=285&states=NJ&newdc=1

  30. `

  31. Chatham Flow Gauge Hydrograph USGS flow gauge 01379500 Chatham, NJ Hydrograph Source: USGS Streamflow Data - http://nwis.waterdata.usgs.gov/nj/nwis/uv/? site_no=01379500&agency_cd=USGS

  32. In Conclusion • Other Insights • Basking Ridge and Morristown combination (Great Swamp Watershed contribution to flow gauge, e.g. detention/buffer) • Greater Passaic River vs. Upper Passaic Basins • Case Study Rainfall event vs. Historical Floods

  33. Credits • http://www.nj.gov/dep/passaicriver/ • http://www.nj.gov/dep/passaicriver/docs/20100526acoe_pres.pdf • US Army Corps of Engineers • NOAA • Hydrometeorological Prediction Center (HPC) • National Climatic Data Center (NCDC) • National Weather Service – Middle Atlantic River Forecast Center • Rutgers NJ Weather and Climate Network (NJWxnet) • USGS Streamflow Data • Professor Smart

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