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Important for you to know:

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  • Scheduled Maintenance Notice
    USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

Available data

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Continuous data

6 data types available - data from 2019-11-07 to 2026-09-10

Daily data

3 data types available - data from 2019-11-07 to 2026-09-09

Field measurements

3 data types available - data from 2019-12-04 to 2026-05-29

Discrete sample data

0 observed properties (data types) available

Statistical tables for select daily data types

2 data types available - data from 2020-05-27 to 2026-09-09

Important information about this monitoring location

LOCATION.-- on north shore of canal, 2 mi southwest of Delaware City, 3 miles from entrance to Delaware Bay, 14 miles from entrance to Elk River.

PERIOD OF RECORD.-- November 2019 to current year.

GAGE.-- Water-stage recorder and velocity meter. Datum of gage is 0.00 ft above North American Vertical Datum of 1988.

REMARKS.-- Discharge is computed from relations between stage vs. area and index velocity vs. mean channel velocity. Positive flow represents flow toward the Delaware River and Bay. Negative flow represents flow toward Elk River and Chesapeake Bay.

Monitoring locations with continuous data in last 120 days

No locations found

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