Summary of June 28-29, 2006 flooding in the New Jersey part of the Delaware River Basin

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Most flooding in New Jersey occurred along the mainstem of the Delaware River. 

Precipitation

Rain fell over the Delaware River Basin every day from June 23 to June 28, 2006. Total rainfall ranged from 3 to 6.5 inches across the New Jersey part of the basin and 7 to 15 inches in northeastern Pennsylvania. The New York part of the basin received 6 to 14 inches during the same period. The heaviest rainfall occured on June 27th.

Buildings flooded up to their roofs in Delaware Water Gap

Flooded out Inn at Delaware Water Gap, PA

(Public domain.)

 

 

Peak Flows and Stages

Most flooding in New Jersey occurred along the mainstem of the Delaware River. Peak stages at the Montague and Delaware Water Gap gages averaged 0.5 foot higher than the April 2005 peaks. At the Belvidere, Riegelsville, and Trenton gages, the peak stages were slightly lower than the April 2005 peaks. Peak stages at all locations were 3 to 5 feet lower than the August 1955 historical peak of record.

Gages along the Delaware River recorded peak flow consistent with 70-year to greater than 100-year recurrence interval floods. The 70-year recurrence interval flood has a 1.4 percent probability of occurrence in any given year and the 100-year recurrence interval flood has a 1.0 percent probability of occurrence in any given year.

Peak flows on tributaries to the Delaware River in New Jersey were less than the 5-year recurrence interval flood, which has a greater than 20 percent probability of occurrence in any given year. 

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Date published: April 15, 2008

June 29, 2006 Flood Peak Table

Summary of provisional flood peaks at U.S. Geological Survey (USGS) gaging stations on selected streams in New Jersey during June 28-29, 2006.