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Delaware Estuary Boat Run Monitoring Program

Initiated in 1967, the Delaware Estuary Boat Run is one of the longest running monitoring programs in the world. Each year, DRBC contracts with the Delaware Dept. of Natural Resources and Environmental Control to collect water samples in the Delaware Estuary, from the head of tide at Trenton, N.J. to the mouth of the Delaware Bay. Samples are collected at 22 stations once monthly from April to October.

The goals of the program are to provide accurate, precise, and defensible estimates of the surface water quality of the Delaware Estuary and to allow assessment of water quality criteria compliance. Sample analysis includes routine and bacterial parameters, nutrients, heavy metals, chlorophyll-a, dissolved silica, and volatile organics.

Bacterial parameters, which are used to determine compliance with the commission's water quality standards for recreational use, are posted on the DRBC website each month (April-October).

Archived data (1999-2015) from the boat run monitoring program can be viewed through the commission's Delaware Estuary Boat Run Data Explorer Application.

Learn more about the boat run program.