Delaware River Basin Commission Hosts Jan. 27 Webinar On New Report On The Impact Of Sea Level Rise On Salinity Intrusion In the Delaware River Estuary

The Delaware River Basin Commission will host a January 27 webinar on its recently released report on The Impact of Sea Level Rise On Salinity Intrusion In The Delaware River Estuary from Noon to 1:00 p.m.

The report examines how salinity will increase and the location of the salt front will move in the Delaware River Estuary at various sea level rise and hydrologic scenarios. 

DRBC also released a three-dimensional hydrodynamic and salinity model for the Delaware Estuary with the report.

The report found sea level rise increases tidal water levels throughout the Delaware Estuary, amplifying tidal elevations upstream to Trenton and increase salinity throughout the Estuary.

Higher sea levels enhance salinity stratification, spread more saltwater across shallow areas, and transport saltwater farther upstream.

Under drought conditions, especially the 1965 drought of record, sea level rise significantly increases both the maximum location of the salt front maximum location and the percent of time the chloride standard is exceeded at Camden.

The greatest increases in the maximum depth-averaged salinity occur between the Delaware Memorial Bridge and Chester with sea level rise.

Simulations of flow management alternatives indicate that the Trenton Flow Objective (2,500 cfs) helps hold the salt front downstream but may no longer maintain chloride standards when sea level rise exceeds 0.5 m.

Click Here to register and for more information.

Visit the DRBC Impact Of Sea Level Rise On Salinity Intrusion Report webpage for more background.

For more information on programs, initiatives and upcoming events, visit the Delaware River Basin Commission website.  Click Here to sign up for regulator updates.  Follow DRBC on Twitter.  Visit them on YouTube.

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[Posted: January 21, 2026]  PA Environment Digest